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2022-07-17MIPS: CFE: Add cfe_die()Florian Fainelli2-1/+69
Add a cfe_die() implementation which is useful when the kernel does an early panic and no console is registered. This allows us to print useful diagnostics such as an invalid DTB having been configured/selected. Since the BMIPS_GENERIC kernel can be built with support for multiple processors, we need to do a runtime determination of the type of CPU that we are executing on to perform the appropriate XKS01 disabling. Since cfe_init() + cfe_die() could be conceivably called at very early stages of the kernel boot, before cpu_probe(), we do not rely on the structure(s) populated by cpu_probe(). Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-15MIPS: Fixed __debug_virt_addr_valid()Florian Fainelli1-10/+4
It is permissible for kernel code to call virt_to_phys() against virtual addresses that are in KSEG0 or KSEG1 and we need to be dealing with both types. Rewrite the test condition to ensure that the kernel virtual addresses are above PAGE_OFFSET which they must be, and below KSEG2 where the non-linear mapping starts. For EVA, there is not much that we can do given the linear address range that is offered, so just return any virtual address as being valid. Finally, when HIGHMEM is not enabled, all virtual addresses are assumed to be valid as well. Fixes: dfad83cb7193 ("MIPS: Add support for CONFIG_DEBUG_VIRTUAL") Signed-off-by: Florian Fainelli <[email protected]> Reviewed-by: Serge Semin <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-15MIPS: BCM47XX: Add support for Netgear WNR3500L v2Florian Fainelli5-0/+25
Add support for the Netgear WNR3500L v2 router based on the BCM47186 chipset and supporting 802.11n Wi-Fi. Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-14MIPS: Remove VR41xx supportThomas Bogendoerfer58-4068/+1
No (active) developer owns this hardware, so let's remove Linux support. Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-14MIPS: dts: align gpio-key node names with dtschemaKrzysztof Kozlowski4-4/+4
The node names should be generic and DT schema expects certain pattern (e.g. with key/button/switch). Signed-off-by: Krzysztof Kozlowski <[email protected]> Acked-by: Arınç ÜNAL <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-14MIPS: dts: correct gpio-keys names and propertiesKrzysztof Kozlowski10-57/+37
gpio-keys children do not use unit addresses. Signed-off-by: Krzysztof Kozlowski <[email protected]> Acked-by: Arınç ÜNAL <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-14MIPS: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACKHuacai Chen1-1/+1
When CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS is selected, cpu_max_bits_warn() generates a runtime warning similar as below while we show /proc/cpuinfo. Fix this by using nr_cpu_ids (the runtime limit) instead of NR_CPUS to iterate CPUs. [ 3.052463] ------------[ cut here ]------------ [ 3.059679] WARNING: CPU: 3 PID: 1 at include/linux/cpumask.h:108 show_cpuinfo+0x5e8/0x5f0 [ 3.070072] Modules linked in: efivarfs autofs4 [ 3.076257] CPU: 0 PID: 1 Comm: systemd Not tainted 5.19-rc5+ #1052 [ 3.084034] Hardware name: Loongson Loongson-3A4000-7A1000-1w-V0.1-CRB/Loongson-LS3A4000-7A1000-1w-EVB-V1.21, BIOS Loongson-UDK2018-V2.0.04082-beta7 04/27 [ 3.099465] Stack : 9000000100157b08 9000000000f18530 9000000000cf846c 9000000100154000 [ 3.109127] 9000000100157a50 0000000000000000 9000000100157a58 9000000000ef7430 [ 3.118774] 90000001001578e8 0000000000000040 0000000000000020 ffffffffffffffff [ 3.128412] 0000000000aaaaaa 1ab25f00eec96a37 900000010021de80 900000000101c890 [ 3.138056] 0000000000000000 0000000000000000 0000000000000000 0000000000aaaaaa [ 3.147711] ffff8000339dc220 0000000000000001 0000000006ab4000 0000000000000000 [ 3.157364] 900000000101c998 0000000000000004 9000000000ef7430 0000000000000000 [ 3.167012] 0000000000000009 000000000000006c 0000000000000000 0000000000000000 [ 3.176641] 9000000000d3de08 9000000001639390 90000000002086d8 00007ffff0080286 [ 3.186260] 00000000000000b0 0000000000000004 0000000000000000 0000000000071c1c [ 3.195868] ... [ 3.199917] Call Trace: [ 3.203941] [<98000000002086d8>] show_stack+0x38/0x14c [ 3.210666] [<9800000000cf846c>] dump_stack_lvl+0x60/0x88 [ 3.217625] [<980000000023d268>] __warn+0xd0/0x100 [ 3.223958] [<9800000000cf3c90>] warn_slowpath_fmt+0x7c/0xcc [ 3.231150] [<9800000000210220>] show_cpuinfo+0x5e8/0x5f0 [ 3.238080] [<98000000004f578c>] seq_read_iter+0x354/0x4b4 [ 3.245098] [<98000000004c2e90>] new_sync_read+0x17c/0x1c4 [ 3.252114] [<98000000004c5174>] vfs_read+0x138/0x1d0 [ 3.258694] [<98000000004c55f8>] ksys_read+0x70/0x100 [ 3.265265] [<9800000000cfde9c>] do_syscall+0x7c/0x94 [ 3.271820] [<9800000000202fe4>] handle_syscall+0xc4/0x160 [ 3.281824] ---[ end trace 8b484262b4b8c24c ]--- Cc: [email protected] Signed-off-by: Huacai Chen <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-11MIPS: Make phys_to_virt utilize __va()Florian Fainelli1-1/+1
The implementation is exactly the same, so avoid open-coding it in two different locations. Signed-off-by: Florian Fainelli <[email protected]> Reviewed-by: Serge Semin <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-11MIPS: vdso: Utilize __pa() for gic_pfnFlorian Fainelli1-1/+1
The GIC user offset is mapped into every process' virtual address and is therefore part of the hot-path of arch_setup_additional_pages(). Utilize __pa() such that we are more optimal even when CONFIG_DEBUG_VIRTUAL is enabled, and while at it utilize PFN_DOWN() instead of open-coding the right shift by PAGE_SHIFT. Reported-by: Greg Ungerer <[email protected]> Suggested-by: Serge Semin <[email protected]> Fixes: dfad83cb7193 ("MIPS: Add support for CONFIG_DEBUG_VIRTUAL") Signed-off-by: Florian Fainelli <[email protected]> Acked-by: Greg Ungerer <[email protected]> Tested-by: Greg Ungerer <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-11MIPS: mm: Use the bitmap API to allocate bitmapsChristophe JAILLET1-3/+2
Use bitmap_zalloc() instead of hand-writing them. It is less verbose and it improves the semantic. While at it, turn a bitmap_clear() into an equivalent bitmap_zero(). It is also less verbose. Signed-off-by: Christophe JAILLET <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-11MIPS: math-emu: Use the bitmap API to allocate bitmapsChristophe JAILLET1-6/+3
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them. It is less verbose and it improves the semantic. Signed-off-by: Christophe JAILLET <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-05MIPS: Loongson64: Fix section mismatch warningTiezhu Yang1-1/+0
prom_init_numa_memory() is annotated __init and not used by any module, thus don't export it. Remove not needed EXPORT_SYMBOL for prom_init_numa_memory() to fix the following section mismatch warning: LD vmlinux.o MODPOST vmlinux.symvers WARNING: modpost: vmlinux.o(___ksymtab+prom_init_numa_memory+0x0): Section mismatch in reference from the variable __ksymtab_prom_init_numa_memory to the function .init.text:prom_init_numa_memory() The symbol prom_init_numa_memory is exported and annotated __init Fix this by removing the __init annotation of prom_init_numa_memory or drop the export. This is build on Linux 5.19-rc4. Fixes: 6fbde6b492df ("MIPS: Loongson64: Move files to the top-level directory") Signed-off-by: Tiezhu Yang <[email protected]> Reviewed-by: Huacai Chen <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-05mips: cavium-octeon: Fix missing of_node_put() in octeon2_usb_clocks_startLiang He1-1/+2
We should call of_node_put() for the reference 'uctl_node' returned by of_get_parent() which will increase the refcount. Otherwise, there will be a refcount leak bug. Signed-off-by: Liang He <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-05MIPS: mscc: ocelot: enable FDMA usageAlexandre Belloni1-4/+5
Enable FDMA usage by adding "fdma" resource in regs and interrupts. Signed-off-by: Alexandre Belloni <[email protected]> Signed-off-by: Clément Léger <[email protected]> Reviewed-by: Vladimir Oltean <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-05MIPS: Fix some typosZhang Jiaming2-8/+8
Change 'modifed' to 'modified'. Change 'relys' to 'relies'. Signed-off-by: Zhang Jiaming <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-05MIPS: Alchemy: devboards: Remove duplicate 'the' in two places.Jiang Jian1-1/+1
file: ./arch/mips/alchemy/devboards/pm.c line: 20 * sources and configure the timeout after which the the TOYMATCH2 irq changed to * sources and configure the timeout after which the TOYMATCH2 irq Signed-off-by: Jiang Jian <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-05MIPS: PCI: Remove leading space in info message, rename pciColin Ian King1-1/+1
There is an info message with an extraneous leading space. Remove it. Also rename pci to PCI. Signed-off-by: Colin Ian King <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-05mips: sgi-ip22: Drop redundant check from .remove()Uwe Kleine-König1-1/+1
The remove callback is only called by the driver core if there is a driver to unbind, so there is no need to check dev->driver to be non-NULL. Signed-off-by: Uwe Kleine-König <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-05MAINTAINERS: add include/dt-bindings/mips to MIPSLukas Bulwahn1-0/+1
Maintainers of the directory Documentation/devicetree/bindings/mips are also the maintainers of the corresponding directory include/dt-bindings/mips. Add the file entry for include/dt-bindings/mips to the appropriate section in MAINTAINERS. Signed-off-by: Lukas Bulwahn <[email protected]> Signed-off-by: Thomas Bogendoerfer <[email protected]>
2022-07-03Linux 5.19-rc5Linus Torvalds1-1/+1
2022-07-03lockref: remove unused 'lockref_get_or_lock()' functionLinus Torvalds2-26/+0
Looking at the conditional lock acquire functions in the kernel due to the new sparse support (see commit 4a557a5d1a61 "sparse: introduce conditional lock acquire function attribute"), it became obvious that the lockref code has a couple of them, but they don't match the usual naming convention for the other ones, and their return value logic is also reversed. In the other very similar places, the naming pattern is '*_and_lock()' (eg 'atomic_put_and_lock()' and 'refcount_dec_and_lock()'), and the function returns true when the lock is taken. The lockref code is superficially very similar to the refcount code, only with the special "atomic wrt the embedded lock" semantics. But instead of the '*_and_lock()' naming it uses '*_or_lock()'. And instead of returning true in case it took the lock, it returns true if it *didn't* take the lock. Now, arguably the reflock code is quite logical: it really is a "either decrement _or_ lock" kind of situation - and the return value is about whether the operation succeeded without any special care needed. So despite the similarities, the differences do make some sense, and maybe it's not worth trying to unify the different conditional locking primitives in this area. But while looking at this all, it did become obvious that the 'lockref_get_or_lock()' function hasn't actually had any users for almost a decade. The only user it ever had was the shortlived 'd_rcu_to_refcount()' function, and it got removed and replaced with 'lockref_get_not_dead()' back in 2013 in commits 0d98439ea3c6 ("vfs: use lockred 'dead' flag to mark unrecoverably dead dentries") and e5c832d55588 ("vfs: fix dentry RCU to refcounting possibly sleeping dput()") In fact, that single use was removed less than a week after the whole function was introduced in commit b3abd80250c1 ("lockref: add 'lockref_get_or_lock() helper") so this function has been around for a decade, but only had a user for six days. Let's just put this mis-designed and unused function out of its misery. We can think about the naming and semantic oddities of the remaining 'lockref_put_or_lock()' later, but at least that function has users. And while the naming is different and the return value doesn't match, that function matches the whole '{atomic,refcount}_dec_and_test()' pattern much better (ie the magic happens when the count goes down to zero, not when it is incremented from zero). Signed-off-by: Linus Torvalds <[email protected]>
2022-07-03sparse: introduce conditional lock acquire function attributeLinus Torvalds2-3/+5
The kernel tends to try to avoid conditional locking semantics because it makes it harder to think about and statically check locking rules, but we do have a few fundamental locking primitives that take locks conditionally - most obviously the 'trylock' functions. That has always been a problem for 'sparse' checking for locking imbalance, and we've had a special '__cond_lock()' macro that we've used to let sparse know how the locking works: # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0) so that you can then use this to tell sparse that (for example) the spinlock trylock macro ends up acquiring the lock when it succeeds, but not when it fails: #define raw_spin_trylock(lock) __cond_lock(lock, _raw_spin_trylock(lock)) and then sparse can follow along the locking rules when you have code like if (!spin_trylock(&dentry->d_lock)) return LRU_SKIP; .. sparse sees that the lock is held here.. spin_unlock(&dentry->d_lock); and sparse ends up happy about the lock contexts. However, this '__cond_lock()' use does result in very ugly header files, and requires you to basically wrap the real function with that macro that uses '__cond_lock'. Which has made PeterZ NAK things that try to fix sparse warnings over the years [1]. To solve this, there is now a very experimental patch to sparse that basically does the exact same thing as '__cond_lock()' did, but using a function attribute instead. That seems to make PeterZ happy [2]. Note that this does not replace existing use of '__cond_lock()', but only exposes the new proposed attribute and uses it for the previously unannotated 'refcount_dec_and_lock()' family of functions. For existing sparse installations, this will make no difference (a negative output context was ignored), but if you have the experimental sparse patch it will make sparse now understand code that uses those functions, the same way '__cond_lock()' makes sparse understand the very similar 'atomic_dec_and_lock()' uses that have the old '__cond_lock()' annotations. Note that in some cases this will silence existing context imbalance warnings. But in other cases it may end up exposing new sparse warnings for code that sparse just didn't see the locking for at all before. This is a trial, in other words. I'd expect that if it ends up being successful, and new sparse releases end up having this new attribute, we'll migrate the old-style '__cond_lock()' users to use the new-style '__cond_acquires' function attribute. The actual experimental sparse patch was posted in [3]. Link: https://lore.kernel.org/all/[email protected]/ [1] Link: https://lore.kernel.org/all/[email protected]/ [2] Link: https://lore.kernel.org/all/CAHk-=wjZfO9hGqJ2_hGQG3U_XzSh9_XaXze=HgPdvJbgrvASfA@mail.gmail.com/ [3] Acked-by: Peter Zijlstra <[email protected]> Cc: Alexander Aring <[email protected]> Cc: Luc Van Oostenryck <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2022-07-03Merge tag 'xfs-5.19-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds14-131/+130
Pull xfs fixes from Darrick Wong: "This fixes some stalling problems and corrects the last of the problems (I hope) observed during testing of the new atomic xattr update feature. - Fix statfs blocking on background inode gc workers - Fix some broken inode lock assertion code - Fix xattr leaf buffer leaks when cancelling a deferred xattr update operation - Clean up xattr recovery to make it easier to understand. - Fix xattr leaf block verifiers tripping over empty blocks. - Remove complicated and error prone xattr leaf block bholding mess. - Fix a bug where an rt extent crossing EOF was treated as "posteof" blocks and cleaned unnecessarily. - Fix a UAF when log shutdown races with unmount" * tag 'xfs-5.19-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: prevent a UAF when log IO errors race with unmount xfs: dont treat rt extents beyond EOF as eofblocks to be cleared xfs: don't hold xattr leaf buffers across transaction rolls xfs: empty xattr leaf header blocks are not corruption xfs: clean up the end of xfs_attri_item_recover xfs: always free xattri_leaf_bp when cancelling a deferred op xfs: use invalidate_lock to check the state of mmap_lock xfs: factor out the common lock flags assert xfs: introduce xfs_inodegc_push() xfs: bound maximum wait time for inodegc work
2022-07-02Merge tag 'nfsd-5.19-2' of ↵Linus Torvalds2-2/+3
git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd fixes from Chuck Lever: "Notable regression fixes: - Fix NFSD crash during NFSv4.2 READ_PLUS operation - Fix incorrect status code returned by COMMIT operation" * tag 'nfsd-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: SUNRPC: Fix READ_PLUS crasher NFSD: restore EINVAL error translation in nfsd_commit()
2022-07-02Merge tag 'for-5.19/parisc-4' of ↵Linus Torvalds2-1/+6
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc architecture fixes from Helge Deller: "Two important fixes for bugs in code which was added in 5.18: - Fix userspace signal failures on 32-bit kernel due to a bug in vDSO - Fix 32-bit load-word unalignment exception handler which returned wrong values" * tag 'for-5.19/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Fix vDSO signal breakage on 32-bit kernel parisc/unaligned: Fix emulate_ldw() breakage
2022-07-02parisc: Fix vDSO signal breakage on 32-bit kernelHelge Deller1-0/+5
Addition of vDSO support for parisc in kernel v5.18 suddenly broke glibc signal testcases on a 32-bit kernel. The trampoline code (sigtramp.S) which is mapped into userspace includes an offset to the context data on the stack, which is used by gdb and glibc to get access to registers. In a 32-bit kernel we used by mistake the offset into the compat context (which is valid on a 64-bit kernel only) instead of the offset into the "native" 32-bit context. Reported-by: John David Anglin <[email protected]> Tested-by: John David Anglin <[email protected]> Fixes: df24e1783e6e ("parisc: Add vDSO support") CC: [email protected] # 5.18 Signed-off-by: Helge Deller <[email protected]>
2022-07-02Merge tag 'perf-tools-fixes-for-v5.19-2022-07-02' of ↵Linus Torvalds9-17/+134
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - BPF program info linear (BPIL) data is accessed assuming 64-bit alignment resulting in undefined behavior as the data is just byte aligned. Fix it, Found using -fsanitize=undefined. - Fix 'perf offcpu' build on old kernels wrt task_struct's state/__state field. - Fix perf_event_attr.sample_type setting on the 'offcpu-time' event synthesized by the 'perf offcpu' tool. - Don't bail out when synthesizing PERF_RECORD_ events for pre-existing threads when one goes away while parsing its procfs entries. - Don't sort the task scan result from /proc, its not needed and introduces bugs when the main thread isn't the first one to be processed. - Fix uninitialized 'offset' variable on aarch64 in the unwind code. - Sync KVM headers with the kernel sources. * tag 'perf-tools-fixes-for-v5.19-2022-07-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf synthetic-events: Ignore dead threads during event synthesis perf synthetic-events: Don't sort the task scan result from /proc perf unwind: Fix unitialized 'offset' variable on aarch64 tools headers UAPI: Sync linux/kvm.h with the kernel sources perf bpf: 8 byte align bpil data tools kvm headers arm64: Update KVM headers from the kernel sources perf offcpu: Accept allowed sample types only perf offcpu: Fix build failure on old kernels
2022-07-02Merge tag 'powerpc-5.19-4' of ↵Linus Torvalds7-16/+52
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Fix BPF uapi confusion about the correct type of bpf_user_pt_regs_t. - Fix virt_addr_valid() when memory is hotplugged above the boot-time high_memory value. - Fix a bug in 64-bit Book3E map_kernel_page() which would incorrectly allocate a PMD page at PUD level. - Fix a couple of minor issues found since we enabled KASAN for 64-bit Book3S. Thanks to Aneesh Kumar K.V, Cédric Le Goater, Christophe Leroy, Kefeng Wang, Liam Howlett, Nathan Lynch, and Naveen N. Rao. * tag 'powerpc-5.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/memhotplug: Add add_pages override for PPC powerpc/bpf: Fix use of user_pt_regs in uapi powerpc/prom_init: Fix kernel config grep powerpc/book3e: Fix PUD allocation size in map_kernel_page() powerpc/xive/spapr: correct bitmap allocation size
2022-07-02perf synthetic-events: Ignore dead threads during event synthesisNamhyung Kim1-2/+3
When it synthesize various task events, it scans the list of task first and then accesses later. There's a window threads can die between the two and proc entries may not be available. Instead of bailing out, we can ignore that thread and move on. Signed-off-by: Namhyung Kim <[email protected]> Acked-by: Ian Rogers <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2022-07-02perf synthetic-events: Don't sort the task scan result from /procNamhyung Kim1-2/+2
It should not sort the result as procfs already returns a proper ordering of tasks. Actually sorting the order caused problems that it doesn't guararantee to process the main thread first. Signed-off-by: Namhyung Kim <[email protected]> Acked-by: Ian Rogers <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2022-07-02perf unwind: Fix unitialized 'offset' variable on aarch64Ivan Babrou1-1/+1
Commit dc2cf4ca866f5715 ("perf unwind: Fix segbase for ld.lld linked objects") uncovered the following issue on aarch64: util/unwind-libunwind-local.c: In function 'find_proc_info': util/unwind-libunwind-local.c:386:28: error: 'offset' may be used uninitialized in this function [-Werror=maybe-uninitialized] 386 | if (ofs > 0) { | ^ util/unwind-libunwind-local.c:199:22: note: 'offset' was declared here 199 | u64 address, offset; | ^~~~~~ util/unwind-libunwind-local.c:371:20: error: 'offset' may be used uninitialized in this function [-Werror=maybe-uninitialized] 371 | if (ofs <= 0) { | ^ util/unwind-libunwind-local.c:199:22: note: 'offset' was declared here 199 | u64 address, offset; | ^~~~~~ util/unwind-libunwind-local.c:363:20: error: 'offset' may be used uninitialized in this function [-Werror=maybe-uninitialized] 363 | if (ofs <= 0) { | ^ util/unwind-libunwind-local.c:199:22: note: 'offset' was declared here 199 | u64 address, offset; | ^~~~~~ In file included from util/libunwind/arm64.c:37: Fixes: dc2cf4ca866f5715 ("perf unwind: Fix segbase for ld.lld linked objects") Signed-off-by: Ivan Babrou <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Fangrui Song <[email protected]> Cc: Ian Rogers <[email protected]> Cc: James Clark <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: [email protected] Cc: Mark Rutland <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2022-07-01Merge tag 'libnvdimm-fixes-5.19-rc5' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm fix from Vishal Verma: - Fix a bug in the libnvdimm 'BTT' (Block Translation Table) driver where accounting for poison blocks to be cleared was off by one, causing a failure to clear the the last badblock in an nvdimm region. * tag 'libnvdimm-fixes-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: nvdimm: Fix badblocks clear off-by-one error
2022-07-01Merge tag 'thermal-5.19-rc5' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull thermal control fix from Rafael Wysocki: "Add a new CPU ID to the list of supported processors in the intel_tcc_cooling driver (Sumeet Pawnikar)" * tag 'thermal-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: thermal: intel_tcc_cooling: Add TCC cooling support for RaptorLake
2022-07-01Merge tag 'pm-5.19-rc5' of ↵Linus Torvalds9-76/+111
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "These fix some issues in cpufreq drivers and some issues in devfreq: - Fix error code path issues related PROBE_DEFER handling in devfreq (Christian Marangi) - Revert an editing accident in SPDX-License line in the devfreq passive governor (Lukas Bulwahn) - Fix refcount leak in of_get_devfreq_events() in the exynos-ppmu devfreq driver (Miaoqian Lin) - Use HZ_PER_KHZ macro in the passive devfreq governor (Yicong Yang) - Fix missing of_node_put for qoriq and pmac32 driver (Liang He) - Fix issues around throttle interrupt for qcom driver (Stephen Boyd) - Add MT8186 to cpufreq-dt-platdev blocklist (AngeloGioacchino Del Regno) - Make amd-pstate enable CPPC on resume from S3 (Jinzhou Su)" * tag 'pm-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM / devfreq: passive: revert an editing accident in SPDX-License line PM / devfreq: Fix kernel warning with cpufreq passive register fail PM / devfreq: Rework freq_table to be local to devfreq struct PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events PM / devfreq: passive: Use HZ_PER_KHZ macro in units.h PM / devfreq: Fix cpufreq passive unregister erroring on PROBE_DEFER PM / devfreq: Mute warning on governor PROBE_DEFER PM / devfreq: Fix kernel panic with cpu based scaling to passive gov cpufreq: Add MT8186 to cpufreq-dt-platdev blocklist cpufreq: pmac32-cpufreq: Fix refcount leak bug cpufreq: qcom-hw: Don't do lmh things without a throttle interrupt drivers: cpufreq: Add missing of_node_put() in qoriq-cpufreq.c cpufreq: amd-pstate: Add resume and suspend callbacks
2022-07-01Merge branch 'pm-cpufreq'Rafael J. Wysocki5-0/+36
Merge cpufreq fixes for 5.19-rc5, including ARM cpufreq fixes and the following one: - Make amd-pstate enable CPPC on resume from S3 (Jinzhou Su). * pm-cpufreq: cpufreq: Add MT8186 to cpufreq-dt-platdev blocklist cpufreq: pmac32-cpufreq: Fix refcount leak bug cpufreq: qcom-hw: Don't do lmh things without a throttle interrupt drivers: cpufreq: Add missing of_node_put() in qoriq-cpufreq.c cpufreq: amd-pstate: Add resume and suspend callbacks
2022-07-01Merge tag 'hwmon-for-v5.19-rc5' of ↵Linus Torvalds6-18/+24
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: - Fix error handling in ibmaem driver initialization - Fix bad data reported by occ driver after setting power cap - Fix typos in pmbus/ucd9200 driver comments * tag 'hwmon-for-v5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (ibmaem) don't call platform_device_del() if platform_device_add() fails hwmon: (pmbus/ucd9200) fix typos in comments hwmon: (occ) Prevent power cap command overwriting poll response
2022-07-01hwmon: (ibmaem) don't call platform_device_del() if platform_device_add() failsYang Yingliang1-4/+8
If platform_device_add() fails, it no need to call platform_device_del(), split platform_device_unregister() into platform_device_del/put(), so platform_device_put() can be called separately. Fixes: 8808a793f052 ("ibmaem: new driver for power/energy/temp meters in IBM System X hardware") Reported-by: Hulk Robot <[email protected]> Signed-off-by: Yang Yingliang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Guenter Roeck <[email protected]>
2022-07-01Merge tag 'arm64-fixes' of ↵Linus Torvalds1-9/+21
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fix from Catalin Marinas: "Restore TLB invalidation for the 'break-before-make' rule on contiguous ptes (missed in a recent clean-up)" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: hugetlb: Restore TLB invalidation for BBM on contiguous ptes
2022-07-01Merge tag 's390-5.19-5' of ↵Linus Torvalds7-232/+18
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Alexander Gordeev: - Fix purgatory build process so bin2c tool does not get built unnecessarily and the Makefile is more consistent with other architectures. - Return earlier simple design of arch_get_random_seed_long|int() and arch_get_random_long|int() callbacks as result of changes in generic RNG code. - Fix minor comment typos and spelling mistakes. * tag 's390-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/qdio: Fix spelling mistake s390/sclp: Fix typo in comments s390/archrandom: simplify back to earlier design and initialize earlier s390/purgatory: remove duplicated build rule of kexec-purgatory.o s390/purgatory: hard-code obj-y in Makefile s390: remove unneeded 'select BUILD_BIN2C'
2022-07-01Merge tag 'nfs-for-5.19-3' of git://git.linux-nfs.org/projects/anna/linux-nfsLinus Torvalds2-6/+14
Pull NFS client fixes from Anna Schumaker: - Allocate a fattr for _nfs4_discover_trunking() - Fix module reference count leak in nfs4_run_state_manager() * tag 'nfs-for-5.19-3' of git://git.linux-nfs.org/projects/anna/linux-nfs: NFSv4: Add an fattr allocation to _nfs4_discover_trunking() NFS: restore module put when manager exits.
2022-07-01Merge tag 'ceph-for-5.19-rc5' of https://github.com/ceph/ceph-clientLinus Torvalds1-0/+1
Pull ceph fix from Ilya Dryomov: "A ceph filesystem fix, marked for stable. There appears to be a deeper issue on the MDS side, but for now we are going with this one-liner to avoid busy looping and potential soft lockups" * tag 'ceph-for-5.19-rc5' of https://github.com/ceph/ceph-client: ceph: wait on async create before checking caps for syncfs
2022-07-01Merge tag 'for-5.19/dm-fixes-5' of ↵Linus Torvalds2-17/+23
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: "Three fixes for invalid memory accesses discovered by using KASAN while running the lvm2 testsuite's dm-raid tests. Includes changes to MD's raid5.c given the dependency dm-raid has on the MD code" * tag 'for-5.19/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm raid: fix KASAN warning in raid5_add_disks dm raid: fix KASAN warning in raid5_remove_disk dm raid: fix accesses beyond end of raid member array
2022-07-01Merge tag 'io_uring-5.19-2022-07-01' of git://git.kernel.dk/linux-blockLinus Torvalds2-8/+13
Pull io_uring fixes from Jens Axboe: "Two minor tweaks: - While we still can, adjust the send/recv based flags to be in ->ioprio rather than in ->addr2. This is consistent with eg accept, and also doesn't waste a full 64-bit field for flags (Pavel) - 5.18-stable fix for re-importing provided buffers. Not much real world relevance here as it'll only impact non-pollable files gone async, which is more of a practical test case rather than something that is used in the wild (Dylan)" * tag 'io_uring-5.19-2022-07-01' of git://git.kernel.dk/linux-block: io_uring: fix provided buffer import io_uring: keep sendrecv flags in ioprio
2022-07-01Merge tag 'block-5.19-2022-07-01' of git://git.kernel.dk/linux-blockLinus Torvalds11-30/+113
Pull block fixes from Jens Axboe: - Fix for batch getting of tags in sbitmap (wuchi) - NVMe pull request via Christoph: - More quirks (Lamarque Vieira Souza, Pablo Greco) - Fix a fabrics disconnect regression (Ruozhu Li) - Fix a nvmet-tcp data_digest calculation regression (Sagi Grimberg) - Fix nvme-tcp send failure handling (Sagi Grimberg) - Fix a regression with nvmet-loop and passthrough controllers (Alan Adamson) * tag 'block-5.19-2022-07-01' of git://git.kernel.dk/linux-block: nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA IM2P33F8ABR1 nvmet: add a clear_ids attribute for passthru targets nvme: fix regression when disconnect a recovering ctrl nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA XPG SX6000LNP (AKA SPECTRIX S40G) nvme-tcp: always fail a request when sending it failed nvmet-tcp: fix regression in data_digest calculation lib/sbitmap: Fix invalid loop in __sbitmap_queue_get_batch()
2022-07-01Merge tag 'scsi-fixes' of ↵Linus Torvalds1-0/+7
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fix from James Bottomley: "One simple driver fix for a dma overrun" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: hisi_sas: Limit max hw sectors for v3 HW
2022-07-01Merge tag 'ata-5.19-rc5' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata Pull ATA fix from Damien Le Moal: - Fix a compilation warning with some versions of gcc/sparse when compiling the pata_cs5535 driver, from John. * tag 'ata-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: ata: pata_cs5535: Fix W=1 warnings
2022-07-01arm64: hugetlb: Restore TLB invalidation for BBM on contiguous ptesWill Deacon1-9/+21
Commit fb396bb459c1 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()") removed TLB invalidation from get_clear_flush() [now get_clear_contig()] on the basis that the core TLB invalidation code is aware of hugetlb mappings backed by contiguous page-table entries and will cover the correct virtual address range. However, this change also resulted in the TLB invalidation being removed from the "break" step in the break-before-make (BBM) sequence used internally by huge_ptep_set_{access_flags,wrprotect}(), therefore making the BBM sequence unsafe irrespective of later invalidation. Although the architecture is desperately unclear about how exactly contiguous ptes should be updated in a live page-table, restore TLB invalidation to our BBM sequence under the assumption that BBM is the right thing to be doing in the first place. Fixes: fb396bb459c1 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()") Cc: Ard Biesheuvel <[email protected]> Cc: Steve Capper <[email protected]> Cc: Anshuman Khandual <[email protected]> Cc: Mike Kravetz <[email protected]> Cc: Marc Zyngier <[email protected]> Signed-off-by: Will Deacon <[email protected]> Reviewed-by: Catalin Marinas <[email protected]> Reviewed-by: Anshuman Khandual <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Catalin Marinas <[email protected]>
2022-07-01Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds2-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fixes from Stephen Boyd: "Two small fixes - Initialize a spinlock in the stm32 reset code - Add dt bindings to the clk maintainer filepattern" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: MAINTAINERS: add include/dt-bindings/clock to COMMON CLK FRAMEWORK clk: stm32: rcc_reset: Fix missing spin_lock_init()
2022-07-01xfs: prevent a UAF when log IO errors race with unmountDarrick J. Wong1-2/+7
KASAN reported the following use after free bug when running generic/475: XFS (dm-0): Mounting V5 Filesystem XFS (dm-0): Starting recovery (logdev: internal) XFS (dm-0): Ending recovery (logdev: internal) Buffer I/O error on dev dm-0, logical block 20639616, async page read Buffer I/O error on dev dm-0, logical block 20639617, async page read XFS (dm-0): log I/O error -5 XFS (dm-0): Filesystem has been shut down due to log error (0x2). XFS (dm-0): Unmounting Filesystem XFS (dm-0): Please unmount the filesystem and rectify the problem(s). ================================================================== BUG: KASAN: use-after-free in do_raw_spin_lock+0x246/0x270 Read of size 4 at addr ffff888109dd84c4 by task 3:1H/136 CPU: 3 PID: 136 Comm: 3:1H Not tainted 5.19.0-rc4-xfsx #rc4 8e53ab5ad0fddeb31cee5e7063ff9c361915a9c4 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014 Workqueue: xfs-log/dm-0 xlog_ioend_work [xfs] Call Trace: <TASK> dump_stack_lvl+0x34/0x44 print_report.cold+0x2b8/0x661 ? do_raw_spin_lock+0x246/0x270 kasan_report+0xab/0x120 ? do_raw_spin_lock+0x246/0x270 do_raw_spin_lock+0x246/0x270 ? rwlock_bug.part.0+0x90/0x90 xlog_force_shutdown+0xf6/0x370 [xfs 4ad76ae0d6add7e8183a553e624c31e9ed567318] xlog_ioend_work+0x100/0x190 [xfs 4ad76ae0d6add7e8183a553e624c31e9ed567318] process_one_work+0x672/0x1040 worker_thread+0x59b/0xec0 ? __kthread_parkme+0xc6/0x1f0 ? process_one_work+0x1040/0x1040 ? process_one_work+0x1040/0x1040 kthread+0x29e/0x340 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 </TASK> Allocated by task 154099: kasan_save_stack+0x1e/0x40 __kasan_kmalloc+0x81/0xa0 kmem_alloc+0x8d/0x2e0 [xfs] xlog_cil_init+0x1f/0x540 [xfs] xlog_alloc_log+0xd1e/0x1260 [xfs] xfs_log_mount+0xba/0x640 [xfs] xfs_mountfs+0xf2b/0x1d00 [xfs] xfs_fs_fill_super+0x10af/0x1910 [xfs] get_tree_bdev+0x383/0x670 vfs_get_tree+0x7d/0x240 path_mount+0xdb7/0x1890 __x64_sys_mount+0x1fa/0x270 do_syscall_64+0x2b/0x80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 Freed by task 154151: kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 kasan_set_free_info+0x20/0x30 ____kasan_slab_free+0x110/0x190 slab_free_freelist_hook+0xab/0x180 kfree+0xbc/0x310 xlog_dealloc_log+0x1b/0x2b0 [xfs] xfs_unmountfs+0x119/0x200 [xfs] xfs_fs_put_super+0x6e/0x2e0 [xfs] generic_shutdown_super+0x12b/0x3a0 kill_block_super+0x95/0xd0 deactivate_locked_super+0x80/0x130 cleanup_mnt+0x329/0x4d0 task_work_run+0xc5/0x160 exit_to_user_mode_prepare+0xd4/0xe0 syscall_exit_to_user_mode+0x1d/0x40 entry_SYSCALL_64_after_hwframe+0x46/0xb0 This appears to be a race between the unmount process, which frees the CIL and waits for in-flight iclog IO; and the iclog IO completion. When generic/475 runs, it starts fsstress in the background, waits a few seconds, and substitutes a dm-error device to simulate a disk falling out of a machine. If the fsstress encounters EIO on a pure data write, it will exit but the filesystem will still be online. The next thing the test does is unmount the filesystem, which tries to clean the log, free the CIL, and wait for iclog IO completion. If an iclog was being written when the dm-error switch occurred, it can race with log unmounting as follows: Thread 1 Thread 2 xfs_log_unmount xfs_log_clean xfs_log_quiesce xlog_ioend_work <observe error> xlog_force_shutdown test_and_set_bit(XLOG_IOERROR) xfs_log_force <log is shut down, nop> xfs_log_umount_write <log is shut down, nop> xlog_dealloc_log xlog_cil_destroy <wait for iclogs> spin_lock(&log->l_cilp->xc_push_lock) <KABOOM> Therefore, free the CIL after waiting for the iclogs to complete. I /think/ this race has existed for quite a few years now, though I don't remember the ~2014 era logging code well enough to know if it was a real threat then or if the actual race was exposed only more recently. Fixes: ac983517ec59 ("xfs: don't sleep in xlog_cil_force_lsn on shutdown") Signed-off-by: Darrick J. Wong <[email protected]> Reviewed-by: Dave Chinner <[email protected]>
2022-06-30Merge tag 'drm-fixes-2022-07-01' of git://anongit.freedesktop.org/drm/drmLinus Torvalds18-62/+136
Pull drm fixes from Dave Airlie: "Bit quieter this week, the main thing is it pulls in the fixes for the sysfb resource issue you were seeing. these had been queued for next so should have had some decent testing. Otherwise amdgpu, i915 and msm each have a few fixes, and vc4 has one. fbdev: - sysfb fixes/conflicting fb fixes amdgpu: - GPU recovery fix - Fix integer type usage in fourcc header for AMD modifiers - KFD TLB flush fix for gfx9 APUs - Display fix i915: - Fix ioctl argument error return - Fix d3cold disable to allow PCI upstream bridge D3 transition - Fix setting cache_dirty for dma-buf objects on discrete msm: - Fix to increment vsync_cnt before calling drm_crtc_handle_vblank so that userspace sees the value *after* it is incremented if waiting for vblank events - Fix to reset drm_dev to NULL in dp_display_unbind to avoid a crash in probe/bind error paths - Fix to resolve the smatch error of de-referencing before NULL check in dpu_encoder_phys_wb.c - Fix error return to userspace if fence-id allocation fails in submit ioctl vc4: - NULL ptr dereference fix" * tag 'drm-fixes-2022-07-01' of git://anongit.freedesktop.org/drm/drm: Revert "drm/amdgpu/display: set vblank_disable_immediate for DC" drm/amdgpu: To flush tlb for MMHUB of RAVEN series drm/fourcc: fix integer type usage in uapi header drm/amdgpu: fix adev variable used in amdgpu_device_gpu_recover() fbdev: Disable sysfb device registration when removing conflicting FBs firmware: sysfb: Add sysfb_disable() helper function firmware: sysfb: Make sysfb_create_simplefb() return a pdev pointer drm/msm/gem: Fix error return on fence id alloc fail drm/i915: tweak the ordering in cpu_write_needs_clflush drm/i915/dgfx: Disable d3cold at gfx root port drm/i915/gem: add missing else drm/vc4: perfmon: Fix variable dereferenced before check drm/msm/dpu: Fix variable dereferenced before check drm/msm/dp: reset drm_dev to NULL at dp_display_unbind() drm/msm/dpu: Increment vsync_cnt before waking up userspace
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