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2022-09-27ftrace: Properly unset FTRACE_HASH_FL_MODZheng Yejian1-2/+6
When executing following commands like what document said, but the log "#### all functions enabled ####" was not shown as expect: 1. Set a 'mod' filter: $ echo 'write*:mod:ext3' > /sys/kernel/tracing/set_ftrace_filter 2. Invert above filter: $ echo '!write*:mod:ext3' >> /sys/kernel/tracing/set_ftrace_filter 3. Read the file: $ cat /sys/kernel/tracing/set_ftrace_filter By some debugging, I found that flag FTRACE_HASH_FL_MOD was not unset after inversion like above step 2 and then result of ftrace_hash_empty() is incorrect. Link: https://lkml.kernel.org/r/20220926152008.2239274-1-zhengyejian1@huawei.com Cc: <mingo@redhat.com> Cc: stable@vger.kernel.org Fixes: 8c08f0d5c6fb ("ftrace: Have cached module filters be an active filter") Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-27tracing/eprobe: Fix alloc event dir failed when event name no setTao Chen1-2/+1
The event dir will alloc failed when event name no set, using the command: "echo "e:esys/ syscalls/sys_enter_openat file=\$filename:string" >> dynamic_events" It seems that dir name="syscalls/sys_enter_openat" is not allowed in debugfs. So just use the "sys_enter_openat" as the event name. Link: https://lkml.kernel.org/r/1664028814-45923-1-git-send-email-chentao.kernel@linux.alibaba.com Cc: Ingo Molnar <mingo@redhat.com> Cc: Tom Zanussi <zanussi@kernel.org> Cc: Linyu Yuan <quic_linyyuan@quicinc.com> Cc: Tao Chen <chentao.kernel@linux.alibaba.com Cc: stable@vger.kernel.org Fixes: 95c104c378dc ("tracing: Auto generate event name when creating a group of events") Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Tao Chen <chentao.kernel@linux.alibaba.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-27x86: kprobes: Remove unused macro stack_addrChen Zhongjin1-2/+0
An unused macro reported by [-Wunused-macros]. This macro is used to access the sp in pt_regs because at that time x86_32 can only get sp by kernel_stack_pointer(regs). '3c88c692c287 ("x86/stackframe/32: Provide consistent pt_regs")' This commit have unified the pt_regs and from them we can get sp from pt_regs with regs->sp easily. Nowhere is using this macro anymore. Refrencing pt_regs directly is more clear. Remove this macro for code cleaning. Link: https://lkml.kernel.org/r/20220924072629.104759-1-chenzhongjin@huawei.com Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-27ftrace: Remove obsoleted code from ftrace and task_structGaosheng Cui2-44/+0
The trace of "struct task_struct" was no longer used since commit 345ddcc882d8 ("ftrace: Have set_ftrace_pid use the bitmap like events do"), and the functions about flags for current->trace is useless, so remove them. Link: https://lkml.kernel.org/r/20220923090012.505990-1-cuigaosheng1@huawei.com Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-27tracing: Disable interrupt or preemption before acquiring arch_spinlock_tWaiman Long1-0/+23
It was found that some tracing functions in kernel/trace/trace.c acquire an arch_spinlock_t with preemption and irqs enabled. An example is the tracing_saved_cmdlines_size_read() function which intermittently causes a "BUG: using smp_processor_id() in preemptible" warning when the LTP read_all_proc test is run. That can be problematic in case preemption happens after acquiring the lock. Add the necessary preemption or interrupt disabling code in the appropriate places before acquiring an arch_spinlock_t. The convention here is to disable preemption for trace_cmdline_lock and interupt for max_lock. Link: https://lkml.kernel.org/r/20220922145622.1744826-1-longman@redhat.com Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Will Deacon <will@kernel.org> Cc: Boqun Feng <boqun.feng@gmail.com> Cc: stable@vger.kernel.org Fixes: a35873a0993b ("tracing: Add conditional snapshot") Fixes: 939c7a4f04fc ("tracing: Introduce saved_cmdlines_size file") Suggested-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Waiman Long <longman@redhat.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26rv/monitor: Add __init/__exit annotations to module init/exit funcsXiu Jianfeng5-10/+10
Add missing __init/__exit annotations to module init/exit funcs. Link: https://lkml.kernel.org/r/20220922103208.162869-1-xiujianfeng@huawei.com Fixes: 24bce201d798 ("tools/rv: Add dot2k") Fixes: 8812d21219b9 ("rv/monitor: Add the wip monitor skeleton created by dot2k") Fixes: ccc319dcb450 ("rv/monitor: Add the wwnr monitor") Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26tracing/osnoise: Fix possible recursive locking in stop_per_cpu_kthreadsNico Pache1-1/+2
There is a recursive lock on the cpu_hotplug_lock. In kernel/trace/trace_osnoise.c:<start/stop>_per_cpu_kthreads: - start_per_cpu_kthreads calls cpus_read_lock() and if start_kthreads returns a error it will call stop_per_cpu_kthreads. - stop_per_cpu_kthreads then calls cpus_read_lock() again causing deadlock. Fix this by calling cpus_read_unlock() before calling stop_per_cpu_kthreads. This behavior can also be seen in commit f46b16520a08 ("trace/hwlat: Implement the per-cpu mode"). This error was noticed during the LTP ftrace-stress-test: WARNING: possible recursive locking detected -------------------------------------------- sh/275006 is trying to acquire lock: ffffffffb02f5400 (cpu_hotplug_lock){++++}-{0:0}, at: stop_per_cpu_kthreads but task is already holding lock: ffffffffb02f5400 (cpu_hotplug_lock){++++}-{0:0}, at: start_per_cpu_kthreads other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(cpu_hotplug_lock); lock(cpu_hotplug_lock); *** DEADLOCK *** May be due to missing lock nesting notation 3 locks held by sh/275006: #0: ffff8881023f0470 (sb_writers#24){.+.+}-{0:0}, at: ksys_write #1: ffffffffb084f430 (trace_types_lock){+.+.}-{3:3}, at: rb_simple_write #2: ffffffffb02f5400 (cpu_hotplug_lock){++++}-{0:0}, at: start_per_cpu_kthreads Link: https://lkml.kernel.org/r/20220919144932.3064014-1-npache@redhat.com Fixes: c8895e271f79 ("trace/osnoise: Support hotplug operations") Signed-off-by: Nico Pache <npache@redhat.com> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26tracing: kprobe: Make gen test module work in arm and riscvYipeng Zou1-4/+43
For now, this selftest module can only work in x86 because of the kprobe cmd was fixed use of x86 registers. This patch adapted to register names under arm and riscv, So that this module can be worked on those platform. Link: https://lkml.kernel.org/r/20220919125629.238242-3-zouyipeng@huawei.com Cc: <linux-riscv@lists.infradead.org> Cc: <mingo@redhat.com> Cc: <paul.walmsley@sifive.com> Cc: <palmer@dabbelt.com> Cc: <aou@eecs.berkeley.edu> Cc: <zanussi@kernel.org> Cc: <liaochang1@huawei.com> Cc: <chris.zjh@huawei.com> Fixes: 64836248dda2 ("tracing: Add kprobe event command generation test module") Signed-off-by: Yipeng Zou <zouyipeng@huawei.com> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26tracing: kprobe: Fix kprobe event gen test module on exitYipeng Zou1-1/+1
Correct gen_kretprobe_test clr event para on module exit. This will make it can't to delete. Link: https://lkml.kernel.org/r/20220919125629.238242-2-zouyipeng@huawei.com Cc: <linux-riscv@lists.infradead.org> Cc: <mingo@redhat.com> Cc: <paul.walmsley@sifive.com> Cc: <palmer@dabbelt.com> Cc: <aou@eecs.berkeley.edu> Cc: <zanussi@kernel.org> Cc: <liaochang1@huawei.com> Cc: <chris.zjh@huawei.com> Fixes: 64836248dda2 ("tracing: Add kprobe event command generation test module") Signed-off-by: Yipeng Zou <zouyipeng@huawei.com> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26x86/kprobes: Remove unused arch_kprobe_override_function() declarationGaosheng Cui1-2/+0
All uses of arch_kprobe_override_function() have been removed by commit 540adea3809f ("error-injection: Separate error-injection from kprobe"), so remove the declaration, too. Link: https://lkml.kernel.org/r/20220914110437.1436353-3-cuigaosheng1@huawei.com Cc: <mingo@redhat.com> Cc: <tglx@linutronix.de> Cc: <bp@alien8.de> Cc: <dave.hansen@linux.intel.com> Cc: <x86@kernel.org> Cc: <hpa@zytor.com> Cc: <mhiramat@kernel.org> Cc: <peterz@infradead.org> Cc: <ast@kernel.org> Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26x86/ftrace: Remove unused modifying_ftrace_code declarationGaosheng Cui1-1/+0
All uses of modifying_ftrace_code have been removed by commit 768ae4406a5c ("x86/ftrace: Use text_poke()"), so remove the declaration, too. Link: https://lkml.kernel.org/r/20220914110437.1436353-2-cuigaosheng1@huawei.com Cc: <mingo@redhat.com> Cc: <tglx@linutronix.de> Cc: <bp@alien8.de> Cc: <dave.hansen@linux.intel.com> Cc: <x86@kernel.org> Cc: <hpa@zytor.com> Cc: <mhiramat@kernel.org> Cc: <peterz@infradead.org> Cc: <ast@kernel.org> Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26tracepoint: Optimize the critical region of mutex_lock in ↵Zhen Lei1-8/+6
tracepoint_module_coming() The memory allocation of 'tp_mod' does not require mutex_lock() protection, move it out. Link: https://lkml.kernel.org/r/20220914061416.1630-1-thunder.leizhen@huawei.com Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26tracing/filter: Call filter predicate functions directly via a switch statementSteven Rostedt (Google)1-73/+157
Due to retpolines, indirect calls are much more expensive than direct calls. The filters have a select set of functions it uses for the predicates. Instead of using function pointers to call them, create a filter_pred_fn_call() function that uses a switch statement to call the predicate functions directly. This gives almost a 10% speedup to the filter logic. Using the histogram benchmark: Before: # event histogram # # trigger info: hist:keys=delta:vals=hitcount:sort=delta:size=2048 if delta > 0 [active] # { delta: 113 } hitcount: 272 { delta: 114 } hitcount: 840 { delta: 118 } hitcount: 344 { delta: 119 } hitcount: 25428 { delta: 120 } hitcount: 350590 { delta: 121 } hitcount: 1892484 { delta: 122 } hitcount: 6205004 { delta: 123 } hitcount: 11583521 { delta: 124 } hitcount: 37590979 { delta: 125 } hitcount: 108308504 { delta: 126 } hitcount: 131672461 { delta: 127 } hitcount: 88700598 { delta: 128 } hitcount: 65939870 { delta: 129 } hitcount: 45055004 { delta: 130 } hitcount: 33174464 { delta: 131 } hitcount: 31813493 { delta: 132 } hitcount: 29011676 { delta: 133 } hitcount: 22798782 { delta: 134 } hitcount: 22072486 { delta: 135 } hitcount: 17034113 { delta: 136 } hitcount: 8982490 { delta: 137 } hitcount: 2865908 { delta: 138 } hitcount: 980382 { delta: 139 } hitcount: 1651944 { delta: 140 } hitcount: 4112073 { delta: 141 } hitcount: 3963269 { delta: 142 } hitcount: 1712508 { delta: 143 } hitcount: 575941 After: # event histogram # # trigger info: hist:keys=delta:vals=hitcount:sort=delta:size=2048 if delta > 0 [active] # { delta: 103 } hitcount: 60 { delta: 104 } hitcount: 16966 { delta: 105 } hitcount: 396625 { delta: 106 } hitcount: 3223400 { delta: 107 } hitcount: 12053754 { delta: 108 } hitcount: 20241711 { delta: 109 } hitcount: 14850200 { delta: 110 } hitcount: 4946599 { delta: 111 } hitcount: 3479315 { delta: 112 } hitcount: 18698299 { delta: 113 } hitcount: 62388733 { delta: 114 } hitcount: 95803834 { delta: 115 } hitcount: 58278130 { delta: 116 } hitcount: 15364800 { delta: 117 } hitcount: 5586866 { delta: 118 } hitcount: 2346880 { delta: 119 } hitcount: 1131091 { delta: 120 } hitcount: 620896 { delta: 121 } hitcount: 236652 { delta: 122 } hitcount: 105957 { delta: 123 } hitcount: 119107 { delta: 124 } hitcount: 54494 { delta: 125 } hitcount: 63856 { delta: 126 } hitcount: 64454 { delta: 127 } hitcount: 34818 { delta: 128 } hitcount: 41446 { delta: 129 } hitcount: 51242 { delta: 130 } hitcount: 28361 { delta: 131 } hitcount: 23926 The peak before was 126ns per event, after the peak is 114ns, and the fastest time went from 113ns to 103ns. Link: https://lkml.kernel.org/r/20220906225529.781407172@goodmis.org Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Tom Zanussi <zanussi@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26tracing: Move struct filter_pred into trace_events_filter.cSteven Rostedt (Google)2-13/+13
The structure filter_pred and the typedef of the function used are only referenced by trace_events_filter.c. There's no reason to have it in an external header file. Move them into the only file they are used in. Link: https://lkml.kernel.org/r/20220906225529.598047132@goodmis.org Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Tom Zanussi <zanussi@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26tracing/hist: Call hist functions directly via a switch statementSteven Rostedt (Google)1-77/+169
Due to retpolines, indirect calls are much more expensive than direct calls. The histograms have a select set of functions it uses for the histograms, instead of using function pointers to call them, create a hist_fn_call() function that uses a switch statement to call the histogram functions directly. This gives a 13% speedup to the histogram logic. Using the histogram benchmark: Before: # event histogram # # trigger info: hist:keys=delta:vals=hitcount:sort=delta:size=2048 if delta > 0 [active] # { delta: 129 } hitcount: 2213 { delta: 130 } hitcount: 285965 { delta: 131 } hitcount: 1146545 { delta: 132 } hitcount: 5185432 { delta: 133 } hitcount: 19896215 { delta: 134 } hitcount: 53118616 { delta: 135 } hitcount: 83816709 { delta: 136 } hitcount: 68329562 { delta: 137 } hitcount: 41859349 { delta: 138 } hitcount: 46257797 { delta: 139 } hitcount: 54400831 { delta: 140 } hitcount: 72875007 { delta: 141 } hitcount: 76193272 { delta: 142 } hitcount: 49504263 { delta: 143 } hitcount: 38821072 { delta: 144 } hitcount: 47702679 { delta: 145 } hitcount: 41357297 { delta: 146 } hitcount: 22058238 { delta: 147 } hitcount: 9720002 { delta: 148 } hitcount: 3193542 { delta: 149 } hitcount: 927030 { delta: 150 } hitcount: 850772 { delta: 151 } hitcount: 1477380 { delta: 152 } hitcount: 2687977 { delta: 153 } hitcount: 2865985 { delta: 154 } hitcount: 1977492 { delta: 155 } hitcount: 2475607 { delta: 156 } hitcount: 3403612 After: # event histogram # # trigger info: hist:keys=delta:vals=hitcount:sort=delta:size=2048 if delta > 0 [active] # { delta: 113 } hitcount: 272 { delta: 114 } hitcount: 840 { delta: 118 } hitcount: 344 { delta: 119 } hitcount: 25428 { delta: 120 } hitcount: 350590 { delta: 121 } hitcount: 1892484 { delta: 122 } hitcount: 6205004 { delta: 123 } hitcount: 11583521 { delta: 124 } hitcount: 37590979 { delta: 125 } hitcount: 108308504 { delta: 126 } hitcount: 131672461 { delta: 127 } hitcount: 88700598 { delta: 128 } hitcount: 65939870 { delta: 129 } hitcount: 45055004 { delta: 130 } hitcount: 33174464 { delta: 131 } hitcount: 31813493 { delta: 132 } hitcount: 29011676 { delta: 133 } hitcount: 22798782 { delta: 134 } hitcount: 22072486 { delta: 135 } hitcount: 17034113 { delta: 136 } hitcount: 8982490 { delta: 137 } hitcount: 2865908 { delta: 138 } hitcount: 980382 { delta: 139 } hitcount: 1651944 { delta: 140 } hitcount: 4112073 { delta: 141 } hitcount: 3963269 { delta: 142 } hitcount: 1712508 { delta: 143 } hitcount: 575941 { delta: 144 } hitcount: 351427 { delta: 145 } hitcount: 218077 { delta: 146 } hitcount: 167297 { delta: 147 } hitcount: 146198 { delta: 148 } hitcount: 116122 { delta: 149 } hitcount: 58993 { delta: 150 } hitcount: 40228 The delta above is in nanoseconds. It brings the fastest time down from 129ns to 113ns, and the peak from 141ns to 126ns. Link: https://lkml.kernel.org/r/20220906225529.411545333@goodmis.org Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Tom Zanussi <zanussi@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26tracing: Add numeric delta time to the trace event benchmarkSteven Rostedt (Google)2-4/+6
In order to testing filtering and histograms via the trace event benchmark, record the delta time of the last event as a numeric value (currently, it just saves it within the string) so that filters and histograms can use it. Link: https://lkml.kernel.org/r/20220906225529.213677569@goodmis.org Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Tom Zanussi <zanussi@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26rv/dot2K: add 'static' qualifier for local variableZeng Heng3-6/+6
Following Daniel's suggestion, fix similar warning in template files, which would prevent new monitors from such warning. Link: https://lkml.kernel.org/r/20220824034357.2014202-3-zengheng4@huawei.com Cc: <mingo@redhat.com> Fixes: 24bce201d798 ("tools/rv: Add dot2k") Suggested-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Zeng Heng <zengheng4@huawei.com> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26rv/monitors: add 'static' qualifier for local symbolsZeng Heng2-4/+4
The sparse tool complains as follows: kernel/trace/rv/monitors/wwnr/wwnr.c:18:19: warning: symbol 'rv_wwnr' was not declared. Should it be static? The `rv_wwnr` symbol is not dereferenced by other extern files, so add static qualifier for it. So does wip module. Link: https://lkml.kernel.org/r/20220824034357.2014202-2-zengheng4@huawei.com Cc: <mingo@redhat.com> Fixes: ccc319dcb450 ("rv/monitor: Add the wwnr monitor") Fixes: 8812d21219b9 ("rv/monitor: Add the wip monitor skeleton created by dot2k") Signed-off-by: Zeng Heng <zengheng4@huawei.com> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26selftests/ftrace: Add eprobe syntax error testcaseMasami Hiramatsu (Google)1-0/+27
Add a syntax error test case for eprobe as same as kprobes. Link: https://lkml.kernel.org/r/165932115471.2850673.8014722990775242727.stgit@devnote2 Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26tracing/eprobe: Add eprobe filter supportMasami Hiramatsu (Google)2-9/+98
Add the filter option to the event probe. This is useful if user wants to derive a new event based on the condition of the original event. E.g. echo 'e:egroup/stat_runtime_4core sched/sched_stat_runtime \ runtime=$runtime:u32 if cpu < 4' >> ../dynamic_events Then it can filter the events only on first 4 cores. Note that the fields used for 'if' must be the fields in the original events, not eprobe events. Link: https://lkml.kernel.org/r/165932114513.2850673.2592206685744598080.stgit@devnote2 Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-25Linux 6.0-rc7Linus Torvalds1-1/+1
2022-09-25Merge tag 'ext4_for_linus_stable' of ↵Linus Torvalds5-181/+154
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 fixes from Ted Ts'o: "Regression and bug fixes: - Performance regression fix from 5.18 on a Rasberry Pi - Fix extent parsing bug which triggers a BUG_ON when a (corrupted) extent tree has has a non-root node when zero entries. - Fix a livelock where in the right (wrong) circumstances a large number of nfsd threads can try to write to a nearly full file system, and retry for hours(!)" * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: limit the number of retries after discarding preallocations blocks ext4: fix bug in extents parsing when eh_entries == 0 and eh_depth > 0 ext4: use buckets for cr 1 block scan instead of rbtree ext4: use locality group preallocation for small closed files ext4: make directory inode spreading reflect flexbg size ext4: avoid unnecessary spreading of allocations among groups ext4: make mballoc try target group first even with mb_optimize_scan
2022-09-25Merge tag 'dax-and-nvdimm-fixes-v6.0-final' of ↵Linus Torvalds5-82/+7
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull NVDIMM and DAX fixes from Dan Williams: "A recently discovered one-line fix for devdax that further addresses a v5.5 regression, and (a bit embarrassing) a small batch of fixes that have been sitting in my fixes tree for weeks. The older fixes have soaked in linux-next during that time and address an fsdax infinite loop and some other minor fixups. - Fix a infinite loop bug in fsdax - Fix memory-type detection for devdax (EINJ regression) - Small cleanups" * tag 'dax-and-nvdimm-fixes-v6.0-final' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: devdax: Fix soft-reservation memory description fsdax: Fix infinite loop in dax_iomap_rw() nvdimm/namespace: drop nested variable in create_namespace_pmem() ndtest: Cleanup all of blk namespace specific code pmem: fix a name collision
2022-09-25Merge tag 'i2c-for-6.0-rc7' of ↵Linus Torvalds7-51/+37
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "I2C driver bugfixes for mlxbf and imx, a few documentation fixes after the rework this cycle, and one hardening for the i2c-mux core" * tag 'i2c-for-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: mux: harden i2c_mux_alloc() against integer overflows i2c: mlxbf: Fix frequency calculation i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction() i2c: mlxbf: incorrect base address passed during io write Documentation: i2c: fix references to other documents MAINTAINERS: remove Nehal Shah from AMD MP2 I2C DRIVER i2c: imx: If pm_runtime_get_sync() returned 1 device access is possible
2022-09-24Merge branch 'for-6.0/dax' into libnvdimm-fixesDan Williams14074-274019/+1379154
Pick up another "Soft Reservation" fix for v6.0-final on top of some straggling nvdimm fixes that missed v5.19.
2022-09-24devdax: Fix soft-reservation memory descriptionDan Williams1-0/+1
The "hmem" platform-devices that are created to represent the platform-advertised "Soft Reserved" memory ranges end up inserting a resource that causes the iomem_resource tree to look like this: 340000000-43fffffff : hmem.0 340000000-43fffffff : Soft Reserved 340000000-43fffffff : dax0.0 This is because insert_resource() reparents ranges when they completely intersect an existing range. This matters because code that uses region_intersects() to scan for a given IORES_DESC will only check that top-level 'hmem.0' resource and not the 'Soft Reserved' descendant. So, to support EINJ (via einj_error_inject()) to inject errors into memory hosted by a dax-device, be sure to describe the memory as IORES_DESC_SOFT_RESERVED. This is a follow-on to: commit b13a3e5fd40b ("ACPI: APEI: Fix _EINJ vs EFI_MEMORY_SP") ...that fixed EINJ support for "Soft Reserved" ranges in the first instance. Fixes: 262b45ae3ab4 ("x86/efi: EFI soft reservation to E820 enumeration") Reported-by: Ricardo Sandoval Torres <ricardo.sandoval.torres@intel.com> Tested-by: Ricardo Sandoval Torres <ricardo.sandoval.torres@intel.com> Cc: <stable@vger.kernel.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Omar Avelar <omar.avelar@intel.com> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Mark Gross <markgross@kernel.org> Link: https://lore.kernel.org/r/166397075670.389916.7435722208896316387.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2022-09-24Merge tag 'kbuild-fixes-v6.0-3' of ↵Linus Torvalds6-20/+14
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix build error for the combination of SYSTEM_TRUSTED_KEYRING=y and X509_CERTIFICATE_PARSER=m - Fix DEBUG_INFO_SPLIT to generate debug info for GCC 11+ and Clang 12+ - Revive debug info for assembly files - Remove unused code * tag 'kbuild-fixes-v6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: Makefile.debug: re-enable debug info for .S files Makefile.debug: set -g unconditional on CONFIG_DEBUG_INFO_SPLIT certs: make system keyring depend on built-in x509 parser Kconfig: remove unused function 'menu_get_root_menu' scripts/clang-tools: remove unused module
2022-09-24Merge tag 's390-6.0-5' of ↵Linus Torvalds1-0/+30
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fix from Vasily Gorbik: - Fix potential hangs in VFIO AP driver * tag 's390-6.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/vfio-ap: bypass unnecessary processing of AP resources
2022-09-24Merge tag 'pm-6.0-rc7' of ↵Linus Torvalds3-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "These fix an uninitialized variable usage in the operating performance points code and add missing DT bindings for it. Specifics: - Fix uninitialized variable usage in dev_pm_opp_config_clks_simple() (Christophe JAILLET) - Add missing OPP DT properties (Rob Herring)" * tag 'pm-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: dt-bindings: opp: Add missing (unevaluated|additional)Properties on child nodes OPP: Fix an un-initialized variable usage
2022-09-24Merge tag 'char-misc-6.0-rc7' of ↵Linus Torvalds3-77/+24
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are three tiny driver fixes for 6.0-rc7. They include: - phy driver reset bugfix - fpga memleak bugfix - counter irq config bugfix The first two have been in linux-next for a while, the last one has only been added to my tree in the past few days, but was in linux-next under a different commit id. I couldn't pull directly from the counter tree due to some gpg key propagation issue, so I took the commit directly from email instead" * tag 'char-misc-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: counter: 104-quad-8: Fix skipped IRQ lines during events configuration fpga: m10bmc-sec: Fix possible memory leak of flash_buf phy: marvell: phy-mvebu-a3700-comphy: Remove broken reset support
2022-09-24Merge tag 'tty-6.0-rc7' of ↵Linus Torvalds6-9/+27
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver fixes from Greg KH: "Here are some small, and late, serial driver fixes for 6.0-rc7 to resolve some reported problems. Included in here are: - tegra icount accounting fixes, including a framework function that other drivers will be converted over to using in 6.1-rc1. - fsl_lpuart reset bugfix - 8250 omap 485 bugfix - sifive serial clock bugfix The last three patches have not shown up in linux-next due to them being added to my tree only 2 days ago, but they are tiny and self-contained and the developers say they resolve issues that they have with 6.0-rc. The other three have been in linux-next for a while with no reported issues" * tag 'tty-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: sifive: enable clocks for UART when probed serial: 8250: omap: Use serial8250_em485_supported serial: fsl_lpuart: Reset prior to registration serial: tegra-tcu: Use uart_xmit_advance(), fixes icount.tx accounting serial: tegra: Use uart_xmit_advance(), fixes icount.tx accounting serial: Create uart_xmit_advance()
2022-09-24Merge tag 'cgroup-for-6.0-rc6-fixes' of ↵Linus Torvalds2-1/+5
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: - Add Waiman Long as a cpuset maintainer - cgroup_get_from_id() could be fed a kernfs ID which doesn't point to a cgroup directory but a knob file and then crash. Error out if the lookup kernfs_node isn't a directory. * tag 'cgroup-for-6.0-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory cpuset: Add Waiman Long as a cpuset maintainer
2022-09-24Merge tag 'wq-for-6.0-rc6-fixes' of ↵Linus Torvalds1-4/+2
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue fix from Tejun Heo: "Just one patch to improve flush lockdep coverage" * tag 'wq-for-6.0-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: don't skip lockdep work dependency in cancel_work_sync()
2022-09-24Merge tag 'io_uring-6.0-2022-09-23' of git://git.kernel.dk/linuxLinus Torvalds1-0/+3
Pull io_uring fix from Jens Axboe: "Just a single fix for an issue with un-reaped IOPOLL requests on ring exit" * tag 'io_uring-6.0-2022-09-23' of git://git.kernel.dk/linux: io_uring: ensure that cached task references are always put on exit
2022-09-24Merge tag 'block-6.0-2022-09-22' of git://git.kernel.dk/linuxLinus Torvalds2-3/+9
Pull block fixes from Jens Axboe: "Fix a regression that's been plaguing us by reverting the offending commit, as attempts to both reproduce the issue and fix it in a saner fashion have failed. Fix for a potential oops condition in the s390 dasd block driver" * tag 'block-6.0-2022-09-22' of git://git.kernel.dk/linux: Revert "block: freeze the queue earlier in del_gendisk" s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup
2022-09-24Makefile.debug: re-enable debug info for .S filesNick Desaulniers2-11/+14
Alexey reported that the fraction of unknown filename instances in kallsyms grew from ~0.3% to ~10% recently; Bill and Greg tracked it down to assembler defined symbols, which regressed as a result of: commit b8a9092330da ("Kbuild: do not emit debug info for assembly with LLVM_IAS=1") In that commit, I allude to restoring debug info for assembler defined symbols in a follow up patch, but it seems I forgot to do so in commit a66049e2cf0e ("Kbuild: make DWARF version a choice") Link: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=31bf18645d98b4d3d7357353be840e320649a67d Fixes: b8a9092330da ("Kbuild: do not emit debug info for assembly with LLVM_IAS=1") Reported-by: Alexey Alexandrov <aalexand@google.com> Reported-by: Bill Wendling <morbo@google.com> Reported-by: Greg Thelen <gthelen@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Suggested-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-09-24Makefile.debug: set -g unconditional on CONFIG_DEBUG_INFO_SPLITNick Desaulniers1-3/+1
Dmitrii, Fangrui, and Mashahiro note: Before GCC 11 and Clang 12 -gsplit-dwarf implicitly uses -g2. Fix CONFIG_DEBUG_INFO_SPLIT for gcc-11+ & clang-12+ which now need -g specified in order for -gsplit-dwarf to work at all. -gsplit-dwarf has been mutually exclusive with -g since support for CONFIG_DEBUG_INFO_SPLIT was introduced in commit 866ced950bcd ("kbuild: Support split debug info v4") I don't think it ever needed to be. Link: https://lore.kernel.org/lkml/20220815013317.26121-1-dmitrii.bundin.a@gmail.com/ Link: https://lore.kernel.org/lkml/CAK7LNARPAmsJD5XKAw7m_X2g7Fi-CAAsWDQiP7+ANBjkg7R7ng@mail.gmail.com/ Link: https://reviews.llvm.org/D80391 Cc: Andi Kleen <ak@linux.intel.com> Reported-by: Dmitrii Bundin <dmitrii.bundin.a@gmail.com> Reported-by: Fangrui Song <maskray@google.com> Reported-by: Masahiro Yamada <masahiroy@kernel.org> Suggested-by: Dmitrii Bundin <dmitrii.bundin.a@gmail.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-09-23io_uring: ensure that cached task references are always put on exitJens Axboe1-0/+3
io_uring caches task references to avoid doing atomics for each of them per request. If a request is put from the same task that allocated it, then we can maintain a per-ctx cache of them. This obviously relies on io_uring always pruning caches in a reliable way, and there's currently a case off io_uring fd release where we can miss that. One example is a ring setup with IOPOLL, which relies on the task polling for completions, which will free them. However, if such a task submits a request and then exits or closes the ring without reaping the completion, then ring release will reap and put. If release happens from that very same task, the completed request task refs will get put back into the cache pool. This is problematic, as we're now beyond the point of pruning caches. Manually drop these caches after doing an IOPOLL reap. This releases references from the current task, which is enough. If another task happens to be doing the release, then the caching will not be triggered and there's no issue. Cc: stable@vger.kernel.org Fixes: e98e49b2bbf7 ("io_uring: extend task put optimisations") Reported-by: Homin Rhee <hominlab@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-23Merge tag 'arm64-fixes' of ↵Linus Torvalds4-18/+21
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "These are all very simple and self-contained, although the CFI jump-table fix touches the generic linker script as that's where the problematic macro lives. - Fix false positive "sleeping while atomic" warning resulting from the kPTI rework taking a mutex too early. - Fix possible overflow in AMU frequency calculation - Fix incorrect shift in CMN PMU driver which causes problems with newer versions of the IP - Reduce alignment of the CFI jump table to avoid huge kernel images and link errors with !4KiB page size configurations" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: vmlinux.lds.h: CFI: Reduce alignment of jump-table to function alignment perf/arm-cmn: Add more bits to child node address offset field arm64: topology: fix possible overflow in amu_fie_setup() arm64: mm: don't acquire mutex when rewriting swapper
2022-09-24certs: make system keyring depend on built-in x509 parserMasahiro Yamada1-1/+1
Commit e90886291c7c ("certs: make system keyring depend on x509 parser") is not the right fix because x509_load_certificate_list() can be modular. The combination of CONFIG_SYSTEM_TRUSTED_KEYRING=y and CONFIG_X509_CERTIFICATE_PARSER=m still results in the following error: LD .tmp_vmlinux.kallsyms1 ld: certs/system_keyring.o: in function `load_system_certificate_list': system_keyring.c:(.init.text+0x8c): undefined reference to `x509_load_certificate_list' make: *** [Makefile:1169: vmlinux] Error 1 Fixes: e90886291c7c ("certs: make system keyring depend on x509 parser") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Adam Borowski <kilobyte@angband.pl>
2022-09-24Kconfig: remove unused function 'menu_get_root_menu'Zeng Heng2-6/+0
There is nowhere calling `menu_get_root_menu` function, so remove it. Signed-off-by: Zeng Heng <zengheng4@huawei.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-09-24scripts/clang-tools: remove unused moduleyangxingwu1-1/+0
Remove unused imported 'os' module. Signed-off-by: yangxingwu <xingwu.yang@gmail.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-09-23cgroup: cgroup_get_from_id() must check the looked-up kn is a directoryMing Lei1-1/+4
cgroup has to be one kernfs dir, otherwise kernel panic is caused, especially cgroup id is provide from userspace. Reported-by: Marco Patalano <mpatalan@redhat.com> Fixes: 6b658c4863c1 ("scsi: cgroup: Add cgroup_get_from_id()") Cc: Muneendra <muneendra.kumar@broadcom.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> Acked-by: Mukesh Ojha <quic_mojha@quicinc.com> Cc: stable@vger.kernel.org # v5.14+ Signed-off-by: Tejun Heo <tj@kernel.org>
2022-09-23Merge tag 'driver-core-6.0-rc7' of ↵Linus Torvalds2-3/+4
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fixes from Greg KH: "Here are two tiny driver core fixes for 6.0-rc7 that resolve some oft-reported problems. The first is a revert of the "fw_devlink.strict=1" default option that we keep trying to enable, but we keep finding platforms that this just breaks everything on. So again, we need it reverted and hopefully it can be worked on in future releases. The second is a sysfs file-size bugfix that resolves an issue that many people are starting to hit as the fix it is fixing also was backported to stable kernels. The util-linux developers are starting to get bugreports about sysfs files that contain no data because of this problem, and this fix which has been in linux-next in the bitfield tree for a long time, resolves it. I'm submitting it here as it needs to be merged for 6.0-final, not for 6.1-rc1. Both of these have been in linux-next with no reported issues, only reports were that these fixed problems" * tag 'driver-core-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: drivers/base: Fix unsigned comparison to -1 in CPUMAP_FILE_MAX_BYTES Revert "driver core: Set fw_devlink.strict=1 by default"
2022-09-23Merge tag 'usb-6.0-rc7' of ↵Linus Torvalds7-8/+18
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB / Thunderbolt driver fixes and ids from Greg KH: "Here are a few small USB and Thunderbolt driver fixes and new device ids for 6.0-rc7. They contain: - new usb-serial driver ids - documentation build warning fix in USB hub code - flexcop-usb long-posted bugfix (the v4l maintainer for this is MIA so I have finally picked this up as it is a fix for a reported problem.) - dwc3 64bit DMA bugfix - new thunderbolt device ids - typec build error fix All of these have been in linux-next with no reported issues" * tag 'usb-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: typec: anx7411: Fix build error without CONFIG_POWER_SUPPLY media: flexcop-usb: fix endpoint type check USB: serial: option: add Quectel RM520N USB: serial: option: add Quectel BG95 0x0203 composition thunderbolt: Add support for Intel Maple Ridge single port controller usb: dwc3: core: leave default DMA if the controller does not support 64-bit DMA USB: core: Fix RST error in hub.c
2022-09-23Merge tag 'landlock-6.0-rc7' of ↵Linus Torvalds2-9/+14
git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull landlock fix from Mickaël Salaün: "Fix out-of-tree builds for Landlock tests" * tag 'landlock-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: selftests/landlock: Fix out-of-tree builds
2022-09-23Merge tag 'riscv-for-linus-6.0-rc7' of ↵Linus Torvalds7-13/+25
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: - A handful of build fixes for the T-Head errata, including some functional issues the compilers found - A fix for a nasty sigreturn bug * tag 'riscv-for-linus-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: RISC-V: Avoid coupling the T-Head CMOs and Zicbom riscv: fix a nasty sigreturn bug... riscv: make t-head erratas depend on MMU riscv: fix RISCV_ISA_SVPBMT kconfig dependency warning RISC-V: Clean up the Zicbom block size probing
2022-09-23Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds12-27/+52
Pull kvm fixes from Paolo Bonzini: "As everyone back came back from conferences, here are the pending patches for Linux 6.0. ARM: - Fix for kmemleak with pKVM s390: - Fixes for VFIO with zPCI - smatch fix x86: - Ensure XSAVE-capable hosts always allow FP and SSE state to be saved and restored via KVM_{GET,SET}_XSAVE - Fix broken max_mmu_rmap_size stat - Fix compile error with old glibc that doesn't have gettid()" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: Inject #UD on emulated XSETBV if XSAVES isn't enabled KVM: x86: Always enable legacy FP/SSE in allowed user XFEATURES KVM: x86: Reinstate kvm_vcpu_arch.guest_supported_xcr0 KVM: x86/mmu: add missing update to max_mmu_rmap_size selftests: kvm: Fix a compile error in selftests/kvm/rseq_test.c KVM: s390: pci: register pci hooks without interpretation KVM: s390: pci: fix GAIT physical vs virtual pointers usage KVM: s390: Pass initialized arg even if unused KVM: s390: pci: fix plain integer as NULL pointer warnings KVM: arm64: Use kmemleak_free_part_phys() to unregister hyp_mem_base
2022-09-23Merge tag 'for-linus-6.0-rc7-tag' of ↵Linus Torvalds1-3/+6
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fix from Juergen Gross: "A single fix for an issue in the xenbus driver (initialization of multi-page rings for Xen PV devices)" * tag 'for-linus-6.0-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/xenbus: fix xenbus_setup_ring()
2022-09-23Merge tag 'drm-fixes-2022-09-23-1' of git://anongit.freedesktop.org/drm/drmLinus Torvalds36-720/+340
Pull drm fixes from Dave Airlie: "Regular fixes for the week, i915, mediatek, hisilicon, mgag200 and panel have some small fixes. amdgpu has more stack size fixes for clang build, and fixes for new IPs, but all with low regression chances since they are for stuff new in v6.0. i915: - avoid a general protection failure when using perf/OA - avoid kernel warnings on driver release amdgpu: - SDMA 6.x fix - GPUVM TF fix - DCN 3.2.x fixes - DCN 3.1.x fixes - SMU 13.x fixes - Clang stack size fixes for recently enabled DML code - Fix drm dirty callback change on non-atomic cases - USB4 display fix mediatek: - dsi: Add atomic {destroy,duplicate}_state, reset callbacks - dsi: Move mtk_dsi_stop() call back to mtk_dsi_poweroff() - Fix wrong dither settings hisilicon: - Depend on MMU mgag200: - Fix console on G200ER panel: - Fix innolux_g121i1_l01 bus format" * tag 'drm-fixes-2022-09-23-1' of git://anongit.freedesktop.org/drm/drm: (30 commits) MAINTAINERS: switch graphics to airlied other addresses drm/mediatek: dsi: Move mtk_dsi_stop() call back to mtk_dsi_poweroff() drm/amd/display: Reduce number of arguments of dml314's CalculateFlipSchedule() drm/amd/display: Reduce number of arguments of dml314's CalculateWatermarksAndDRAMSpeedChangeSupport() drm/amdgpu: don't register a dirty callback for non-atomic drm/amd/pm: drop the pptable related workarounds for SMU 13.0.0 drm/amd/pm: add support for 3794 pptable for SMU13.0.0 drm/amd/display: correct num_dsc based on HW cap drm/amd/display: Disable OTG WA for the plane_state NULL case on DCN314 drm/amd/display: Add shift and mask for ICH_RESET_AT_END_OF_LINE drm/amd/display: increase dcn315 pstate change latency drm/amd/display: Fix DP MST timeslot issue when fallback happened drm/amd/display: Display distortion after hotplug 5K tiled display drm/amd/display: Update dummy P-state search to use DCN32 DML drm/amd/display: skip audio setup when audio stream is enabled drm/amd/display: update gamut remap if plane has changed drm/amd/display: Assume an LTTPR is always present on fixed_vs links drm/amd/display: fix dcn315 memory channel count and width read drm/amd/display: Fix double cursor on non-video RGB MPO drm/amd/display: Only consider pixle rate div policy for DCN32+ ...
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