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2018-09-15drm: rcar-du: Remove packed VYUY supportKieran Bingham1-2/+0
The Gen3 VSP used by the DU for display does not support the packed VYUY pixel format. Gen2 VSP hardware is able to process this format, but DU + VSP operation isn't enabled on Gen2, and VYUY isn't a strategic format, so it can be ignored. Remove the format from the capabilities of the DU driver. Signed-off-by: Kieran Bingham <[email protected]> Reviewed-by: Laurent Pinchart <[email protected]> Signed-off-by: Laurent Pinchart <[email protected]>
2018-09-15drm: rcar-du: Update framebuffer pitch and alignment limits for Gen3Laurent Pinchart1-12/+23
The framebuffer pitch and alignment constraints reflect the limitations of the Gen2 DU hardware. On Gen3, the DU has no memory interface and thus doesn't impose any constraint. The limitations come instead from the VSP that has a limit of 65535 bytes for the pitch and no alignment constraint. Update the checks accordingly. Signed-off-by: Laurent Pinchart <[email protected]> Signed-off-by: Kieran Bingham <[email protected]>
2018-09-15drm: rcar-du: Add support for missing pixel formatsKoji Matsuoka1-0/+32
This patch supports pixel format of RGB332, ARGB4444, XRGB4444, BGR888, RGB888, BGRA8888, BGRX8888 and YVYU. VYUY pixel format is not supported by H/W specification. Signed-off-by: Koji Matsuoka <[email protected]> Signed-off-by: Kieran Bingham <[email protected]> Reviewed-by: Laurent Pinchart <[email protected]> [Reordered formats with RGB first] Signed-off-by: Laurent Pinchart <[email protected]>
2018-09-15drm: rcar-du: Update Gen3 output limitationsKieran Bingham1-2/+12
The R-Car Gen3 DU utilises the VSP1 hardware for memory access. The limits on the RPF and WPF in this pipeline are 8190x8190. Update the supported maximum sizes accordingly. Signed-off-by: Kieran Bingham <[email protected]> Reviewed-by: Laurent Pinchart <[email protected]> Signed-off-by: Laurent Pinchart <[email protected]>
2018-09-15drm: rcar-du: lvds: add R8A77980 supportSergei Shtylyov1-0/+1
Add support for the R-Car V3H (R8A77980) SoC to the LVDS encoder driver. Signed-off-by: Sergei Shtylyov <[email protected]> Reviewed-by: Laurent Pinchart <[email protected]> Signed-off-by: Laurent Pinchart <[email protected]>
2018-09-15drm: rcar-du: Write ESCR and OTAR as CRTC registersJacopo Mondi2-7/+6
The ESCR and OTAR registers exist in each DU channel, but at different offsets for odd and even channels. This led to usage of the group register access API to write them, with offsets macros named ESCR/OTAR and ESCR2/OTAR2 for the first and second ESCR/OTAR register in the group respectively. The names are confusing as it suggests that the ESCR/OTAR registers for DU0 and DU2 are taken into account, especially with writes performed to the group register access API. Rename the offsets to ESCR/OTAR02 and ESCR/OTAR13, and use the CRTC register access API to clarify the code. The offsets values are updated accordingly. Cosmetic patch, no functional changes intended. Signed-off-by: Jacopo Mondi <[email protected]> Reviewed-by: Laurent Pinchart <[email protected]> [Squashed ESCR and OTAR changes in a single commit] Signed-off-by: Laurent Pinchart <[email protected]>
2018-09-15drm: rcar-du: Rename and document dpll_ch fieldJacopo Mondi3-5/+6
Document and re-name the 'dpll_ch' field to a more precise 'dpll_mask' for consistency with the 'channels_mask' field defined in 'struct rcar_du_device_info'. Signed-off-by: Jacopo Mondi <[email protected]> Reviewed-by: Laurent Pinchart <[email protected]> Signed-off-by: Laurent Pinchart <[email protected]>
2018-09-15drm: rcar-du: Improve non-DPLL clock selectionJacopo Mondi1-31/+54
DU channels not equipped with a DPLL use an SoC internal (provided by the CPG) or external clock source combined with a DU internal divider to generate the desired output dot clock frequency. The current clock selection procedure does not fully exploit the ability of external clock sources to generate the exact dot clock frequency by themselves, but relies instead on tuning the internal DU clock divider only, resulting in a less precise clock generation process. When possible, and desirable, ask the external clock source for the exact output dot clock frequency, and select the clock source that produces the frequency closest to the desired output dot clock. This patch specifically targets platforms (like Salvator-X[S] and ULCBs) where the DU's input dotclock.in is generated by the versaclock VC5 clock source, which is capable of generating the exact rate the DU needs as pixel clock output. This patch fixes higher resolution modes which requires an high pixel clock output currently not working on non-HDMI DU channel (such as 1920x1080@60Hz on the VGA output). Fixes: 1b30dbde8596 ("drm: rcar-du: Add support for external pixel clock") Signed-off-by: Jacopo Mondi <[email protected]> [Factor out code to a helper function] Signed-off-by: Laurent Pinchart <[email protected]> Acked-by: Jacopo Mondi <[email protected]>
2018-09-15drm: rcar-du: Rework clock configuration based on hardware limitsLaurent Pinchart1-61/+73
The DU channels that have a display PLL (DPLL) can only use external clock sources, and don't have an internal clock divider (with the exception of H3 ES1.x where the post-divider is present and needs to be used as a workaround for a DPLL silicon issue). Rework the clock configuration to take this into account, avoiding selection of non-existing clock sources or usage of a missing post-divider. Signed-off-by: Laurent Pinchart <[email protected]> Reviewed-by: Jacopo Mondi <[email protected]>
2018-09-15x86/APM: Fix build warning when PROC_FS is not enabledRandy Dunlap1-0/+2
Fix build warning in apm_32.c when CONFIG_PROC_FS is not enabled: ../arch/x86/kernel/apm_32.c:1643:12: warning: 'proc_apm_show' defined but not used [-Wunused-function] static int proc_apm_show(struct seq_file *m, void *v) Fixes: 3f3942aca6da ("proc: introduce proc_create_single{,_data}") Signed-off-by: Randy Dunlap <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Cc: Jiri Kosina <[email protected]> Link: https://lkml.kernel.org/r/[email protected]
2018-09-15mtd: rawnand: denali: fix a race condition when DMA is kickedMasahiro Yamada1-0/+6
I thought the read-back of the DMA_ENABLE register was unnecessary (at least it is working on my boards), then deleted it in commit 586a2c52909d ("mtd: nand: denali: squash denali_enable_dma() helper into caller"). Sorry, I was wrong - it caused a timing issue on Cyclone5 SoCFPGAs. Revive the register read-back, commenting why this is necessary. Fixes: 586a2c52909d ("mtd: nand: denali: squash denali_enable_dma() helper into caller") Cc: <[email protected]> Reported-by: Steffen Trumtrar <[email protected]> Signed-off-by: Masahiro Yamada <[email protected]> Reviewed-by: Miquel Raynal <[email protected]> Signed-off-by: Boris Brezillon <[email protected]>
2018-09-14Merge tag '4.19-rc3-smb3-cifs' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds5-17/+43
Pull cifs fixes from Steve French: "Fixes for four CIFS/SMB3 potential pointer overflow issues, one minor build fix, and a build warning cleanup" * tag '4.19-rc3-smb3-cifs' of git://git.samba.org/sfrench/cifs-2.6: cifs: read overflow in is_valid_oplock_break() cifs: integer overflow in in SMB2_ioctl() CIFS: fix wrapping bugs in num_entries() cifs: prevent integer overflow in nxt_dir_entry() fs/cifs: require sha512 fs/cifs: suppress a string overflow warning
2018-09-14Merge tag 'nfs-for-4.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfsLinus Torvalds4-24/+39
Pull NFS client bugfixes from Anna Schumaker: "These are a handful of fixes for problems that Trond found. Patch #1 and #3 have the same name, a second issue was found after applying the first patch. Stable bugfixes: - v4.17+: Fix tracepoint Oops in initiate_file_draining() - v4.11+: Fix an infinite loop on I/O Other fixes: - Return errors if a waiting layoutget is killed - Don't open code clearing of delegation state" * tag 'nfs-for-4.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfs: NFS: Don't open code clearing of delegation state NFSv4.1 fix infinite loop on I/O. NFSv4: Fix a tracepoint Oops in initiate_file_draining() pNFS: Ensure we return the error if someone kills a waiting layoutget NFSv4: Fix a tracepoint Oops in initiate_file_draining()
2018-09-14Merge tag 'trace-v4.19-rc3' of ↵Linus Torvalds1-3/+5
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "This fixes an issue with the build system caused by a change that modifies CC_FLAGS_FTRACE. The issue is that it breaks the dependencies and causes "make targz-pkg" to rebuild the entire world" * tag 'trace-v4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing/Makefile: Fix handling redefinition of CC_FLAGS_FTRACE
2018-09-14Merge tag 'devicetree-fixes-for-4.19-2' of ↵Linus Torvalds1-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull DeviceTree fix from Rob Herring: "One regression for a 20 year old PowerMac: - Fix a regression on systems having a DT without any phandles which happens on a PowerMac G3" * tag 'devicetree-fixes-for-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: of: fix phandle cache creation for DTs with no phandles
2018-09-14Merge tag 'for-linus-4.19c-rc4-tag' of ↵Linus Torvalds10-27/+61
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: "This contains some minor cleanups and fixes: - a new knob for controlling scrubbing of pages returned by the Xen balloon driver to the Xen hypervisor to address a boot performance issue seen in large guests booted pre-ballooned - a fix of a regression in the gntdev driver which made it impossible to use fully virtualized guests (HVM guests) with a 4.19 based dom0 - a fix in Xen cpu hotplug functionality which could be triggered by wrong admin commands (setting number of active vcpus to 0) One further note: the patches have all been under test for several days in another branch. This branch has been rebased in order to avoid merge conflicts" * tag 'for-linus-4.19c-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/gntdev: fix up blockable calls to mn_invl_range_start xen: fix GCC warning and remove duplicate EVTCHN_ROW/EVTCHN_COL usage xen: avoid crash in disable_hotplug_cpu xen/balloon: add runtime control for scrubbing ballooned out pages xen/manage: don't complain about an empty value in control/sysrq node
2018-09-14Merge tag 'xtensa-20180914' of git://github.com/jcmvbkbc/linux-xtensaLinus Torvalds3-14/+16
Pull Xtensa fixes and cleanups from Max Filippov: - don't allocate memory in platform_setup as the memory allocator is not initialized at that point yet; - remove unnecessary ifeq KBUILD_SRC from arch/xtensa/Makefile; - enable SG chaining in arch/xtensa/Kconfig. * tag 'xtensa-20180914' of git://github.com/jcmvbkbc/linux-xtensa: xtensa: enable SG chaining in Kconfig xtensa: remove unnecessary KBUILD_SRC ifeq conditional xtensa: ISS: don't allocate memory in platform_setup
2018-09-14Merge tag 'arm64-fixes' of ↵Linus Torvalds5-14/+24
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "The trickle of arm64 fixes continues to come in. Nothing that's the end of the world, but we've got a fix for PCI IO port accesses, an accidental naked "asm goto" and a fix to the vmcoreinfo PT_NOTE merged this time around which we'd like to get sorted before it becomes ABI. - Fix ioport_map() mapping the wrong physical address for some I/O BARs - Remove direct use of "asm goto", since some compilers don't like that - Ensure kimage_voffset is always present in vmcoreinfo PT_NOTE" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: asm-generic: io: Fix ioport_map() for !CONFIG_GENERIC_IOMAP && CONFIG_INDIRECT_PIO arm64: kernel: arch_crash_save_vmcoreinfo() should depend on CONFIG_CRASH_CORE arm64: jump_label.h: use asm_volatile_goto macro instead of "asm goto"
2018-09-14drm/amd/display: Drop amdgpu_dm_prev_state structLeo Li1-9/+0
[Why] It's not being used [How] Nuke it Signed-off-by: Leo Li <[email protected]> Reviewed-by: David Francis <[email protected]> Acked-by: Leo Li <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amd/display: Drop amdgpu_display_manager.dal memberLeo Li2-4/+0
[Why] It's not being used anymore. [How] Nuke it Signed-off-by: Leo Li <[email protected]> Reviewed-by: David Francis <[email protected]> Acked-by: Leo Li <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amd/display: add query HPD interface.Chiawen Huang2-0/+19
[Why] current dc_link_detect function is not only detection but also update some link data. [How] added a pure get HPD state function. Signed-off-by: Chiawen Huang <[email protected]> Reviewed-by: Tony Cheng <[email protected]> Acked-by: Leo Li <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amd/display: dc 3.1.66Tony Cheng1-1/+1
Signed-off-by: Tony Cheng <[email protected]> Reviewed-by: Steven Chiu <[email protected]> Acked-by: Leo Li <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amd/display: add aux i2c event log.Chiawen Huang3-6/+12
[Why] support i2c transition event log [How] refined aux REQ and REP events in aux flow. commented REQ and REP events in i2c flow. note: i2c event log is currently commented out. more work is required to find an portocol parser to and generate event for the parser Signed-off-by: Chiawen Huang <[email protected]> Reviewed-by: Tony Cheng <[email protected]> Acked-by: Leo Li <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amd/display: stop using switch for different CS revisionsDmytro Laktyushkin5-167/+217
Clock sources currently have support for asic specific function pointers. But actual separation into functions was never performed, leaving us with giant functions that rely on switch. This change creates separate functions, removing switch use. Signed-off-by: Dmytro Laktyushkin <[email protected]> Reviewed-by: Tony Cheng <[email protected]> Acked-by: Leo Li <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amd/display: Fix 3D stereo issues.Charlene Liu5-4/+17
We were not providing the correct pixel clocks to DML for marks calculation. Signed-off-by: Charlene Liu <[email protected]> Reviewed-by: Dmytro Laktyushkin <[email protected]> Acked-by: Leo Li <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14NFS: Don't open code clearing of delegation stateTrond Myklebust1-9/+12
Add a helper for the case when the nfs4 open state has been set to use a delegation stateid, and we want to revert to using the open stateid. Signed-off-by: Trond Myklebust <[email protected]> Signed-off-by: Anna Schumaker <[email protected]>
2018-09-14NFSv4.1 fix infinite loop on I/O.Trond Myklebust2-3/+9
The previous fix broke recovery of delegated stateids because it assumes that if we did not mark the delegation as suspect, then the delegation has effectively been revoked, and so it removes that delegation irrespectively of whether or not it is valid and still in use. While this is "mostly harmless" for ordinary I/O, we've seen pNFS fail with LAYOUTGET spinning in an infinite loop while complaining that we're using an invalid stateid (in this case the all-zero stateid). What we rather want to do here is ensure that the delegation is always correctly marked as needing testing when that is the case. So we want to close the loophole offered by nfs4_schedule_stateid_recovery(), which marks the state as needing to be reclaimed, but not the delegation that may be backing it. Fixes: 0e3d3e5df07dc ("NFSv4.1 fix infinite loop on IO BAD_STATEID error") Signed-off-by: Trond Myklebust <[email protected]> Cc: [email protected] # v4.11+ Signed-off-by: Anna Schumaker <[email protected]>
2018-09-14NFSv4: Fix a tracepoint Oops in initiate_file_draining()Trond Myklebust1-1/+1
Now that the value of 'ino' can be NULL or an ERR_PTR(), we need to change the test in the tracepoint. Fixes: ce5624f7e6675 ("NFSv4: Return NFS4ERR_DELAY when a layout fails...") Signed-off-by: Trond Myklebust <[email protected]> Cc: [email protected] # v4.17+ Signed-off-by: Anna Schumaker <[email protected]>
2018-09-14pNFS: Ensure we return the error if someone kills a waiting layoutgetTrond Myklebust1-10/+16
If someone interrupts a wait on one or more outstanding layoutgets in pnfs_update_layout() then return the ERESTARTSYS/EINTR error. Signed-off-by: Trond Myklebust <[email protected]> Signed-off-by: Anna Schumaker <[email protected]>
2018-09-14NFSv4: Fix a tracepoint Oops in initiate_file_draining()Trond Myklebust1-1/+1
Now that the value of 'ino' can be NULL or an ERR_PTR(), we need to change the test in the tracepoint. Fixes: ce5624f7e6675 ("NFSv4: Return NFS4ERR_DELAY when a layout fails...") Signed-off-by: Trond Myklebust <[email protected]> Cc: [email protected] # v4.17+ Signed-off-by: Anna Schumaker <[email protected]>
2018-09-14drm: Differentiate the lack of an interface from invalid parameterChris Wilson23-80/+82
If the ioctl is not supported on a particular piece of HW/driver combination, report ENOTSUP (aka EOPNOTSUPP) so that it can be easily distinguished from both the lack of the ioctl and from a regular invalid parameter. v2: Across all the kms ioctls we had a mixture of reporting EINVAL, ENODEV and a few ENOTSUPP (most where EINVAL) for a failed drm_core_check_feature(). Update everybody to report ENOTSUPP. v3: ENOTSUPP is an internal errno! It's value (524) does not correspond to a POSIX errno, the one we want is ENOTSUP. However, uapi/asm-generic/errno.h doesn't include ENOTSUP but man errno says "ENOTSUP and EOPNOTSUPP have the same value on Linux, but according to POSIX.1 these error values should be distinct." so use EOPNOTSUPP as its equivalent. Signed-off-by: Chris Wilson <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Ville Syrjälä <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> #v2 Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
2018-09-14Merge tag 'dmaengine-fix-4.19-rc4' of ↵Linus Torvalds1-3/+1
git://git.infradead.org/users/vkoul/slave-dma Pull dmaengine fix from Vinod Koul: "Fix the mic_x100_dma driver to use devm_kzalloc for driver memory, so that it is freed properly when it unregisters from dmaengine using managed API" * tag 'dmaengine-fix-4.19-rc4' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: mic_x100_dma: use devm_kzalloc to fix an issue
2018-09-14Merge tag 'usb-4.19-rc4' of ↵Linus Torvalds31-145/+189
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are a number of small USB driver fixes for -rc4. The usual suspects of gadget, xhci, and dwc2/3 are in here, along with some reverts of reported problem changes, and a number of build documentation warning fixes. Full details are in the shortlog. All of these have been in linux-next with no reported issues" * tag 'usb-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits) Revert "cdc-acm: implement put_char() and flush_chars()" usb: Change usb_of_get_companion_dev() place to usb/common usb: xhci: fix interrupt transfer error happened on MTK platforms usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt() usb: misc: uss720: Fix two sleep-in-atomic-context bugs usb: host: u132-hcd: Fix a sleep-in-atomic-context bug in u132_get_frame() usb: Avoid use-after-free by flushing endpoints early in usb_set_interface() linux/mod_devicetable.h: fix kernel-doc missing notation for typec_device_id usb/typec: fix kernel-doc notation warning for typec_match_altmode usb: Don't die twice if PCI xhci host is not responding in resume usb: mtu3: fix error of xhci port id when enable U3 dual role usb: uas: add support for more quirk flags USB: Add quirk to support DJI CineSSD usb: typec: fix kernel-doc parameter warning usb/dwc3/gadget: fix kernel-doc parameter warning USB: yurex: Check for truncation in yurex_read() USB: yurex: Fix buffer over-read in yurex_write() usb: host: xhci-plat: Iterate over parent nodes for finding quirks xhci: Fix use after free for URB cancellation on a reallocated endpoint USB: add quirk for WORLDE Controller KS49 or Prodipe MIDI 49C USB controller ...
2018-09-14Merge tag 'tty-4.19-rc4' of ↵Linus Torvalds1-5/+33
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty fixes from Greg KH: "Here are three small HVC tty driver fixes to resolve a reported regression from 4.19-rc1. All of these have been in linux-next for a while with no reported issues" * tag 'tty-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: hvc: hvc_write() fix break condition tty: hvc: hvc_poll() fix read loop batching tty: hvc: hvc_poll() fix read loop hang
2018-09-14net/sched: act_sample: fix NULL dereference in the data pathDavide Caratti1-1/+1
Matteo reported the following splat, testing the datapath of TC 'sample': BUG: KASAN: null-ptr-deref in tcf_sample_act+0xc4/0x310 Read of size 8 at addr 0000000000000000 by task nc/433 CPU: 0 PID: 433 Comm: nc Not tainted 4.19.0-rc3-kvm #17 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS ?-20180531_142017-buildhw-08.phx2.fedoraproject.org-1.fc28 04/01/2014 Call Trace: kasan_report.cold.6+0x6c/0x2fa tcf_sample_act+0xc4/0x310 ? dev_hard_start_xmit+0x117/0x180 tcf_action_exec+0xa3/0x160 tcf_classify+0xdd/0x1d0 htb_enqueue+0x18e/0x6b0 ? deref_stack_reg+0x7a/0xb0 ? htb_delete+0x4b0/0x4b0 ? unwind_next_frame+0x819/0x8f0 ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 __dev_queue_xmit+0x722/0xca0 ? unwind_get_return_address_ptr+0x50/0x50 ? netdev_pick_tx+0xe0/0xe0 ? save_stack+0x8c/0xb0 ? kasan_kmalloc+0xbe/0xd0 ? __kmalloc_track_caller+0xe4/0x1c0 ? __kmalloc_reserve.isra.45+0x24/0x70 ? __alloc_skb+0xdd/0x2e0 ? sk_stream_alloc_skb+0x91/0x3b0 ? tcp_sendmsg_locked+0x71b/0x15a0 ? tcp_sendmsg+0x22/0x40 ? __sys_sendto+0x1b0/0x250 ? __x64_sys_sendto+0x6f/0x80 ? do_syscall_64+0x5d/0x150 ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 ? __sys_sendto+0x1b0/0x250 ? __x64_sys_sendto+0x6f/0x80 ? do_syscall_64+0x5d/0x150 ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 ip_finish_output2+0x495/0x590 ? ip_copy_metadata+0x2e0/0x2e0 ? skb_gso_validate_network_len+0x6f/0x110 ? ip_finish_output+0x174/0x280 __tcp_transmit_skb+0xb17/0x12b0 ? __tcp_select_window+0x380/0x380 tcp_write_xmit+0x913/0x1de0 ? __sk_mem_schedule+0x50/0x80 tcp_sendmsg_locked+0x49d/0x15a0 ? tcp_rcv_established+0x8da/0xa30 ? tcp_set_state+0x220/0x220 ? clear_user+0x1f/0x50 ? iov_iter_zero+0x1ae/0x590 ? __fget_light+0xa0/0xe0 tcp_sendmsg+0x22/0x40 __sys_sendto+0x1b0/0x250 ? __ia32_sys_getpeername+0x40/0x40 ? _copy_to_user+0x58/0x70 ? poll_select_copy_remaining+0x176/0x200 ? __pollwait+0x1c0/0x1c0 ? ktime_get_ts64+0x11f/0x140 ? kern_select+0x108/0x150 ? core_sys_select+0x360/0x360 ? vfs_read+0x127/0x150 ? kernel_write+0x90/0x90 __x64_sys_sendto+0x6f/0x80 do_syscall_64+0x5d/0x150 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fefef2b129d Code: ff ff ff ff eb b6 0f 1f 80 00 00 00 00 48 8d 05 51 37 0c 00 41 89 ca 8b 00 85 c0 75 20 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 6b f3 c3 66 0f 1f 84 00 00 00 00 00 41 56 41 RSP: 002b:00007fff2f5350c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000056118d60c120 RCX: 00007fefef2b129d RDX: 0000000000002000 RSI: 000056118d629320 RDI: 0000000000000003 RBP: 000056118d530370 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000002000 R13: 000056118d5c2a10 R14: 000056118d5c2a10 R15: 000056118d5303b8 tcf_sample_act() tried to update its per-cpu stats, but tcf_sample_init() forgot to allocate them, because tcf_idr_create() was called with a wrong value of 'cpustats'. Setting it to true proved to fix the reported crash. Reported-by: Matteo Croce <[email protected]> Fixes: 65a206c01e8e ("net/sched: Change act_api and act_xxx modules to use IDR") Fixes: 5c5670fae430 ("net/sched: Introduce sample tc action") Tested-by: Matteo Croce <[email protected]> Signed-off-by: Davide Caratti <[email protected]> Acked-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2018-09-14Merge tag 'staging-4.19-rc4' of ↵Linus Torvalds14-20/+57
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging/IIO driver fixes from Greg KH: "Here are a few small staging and iio driver fixes for -rc4. Nothing major, just a few small bugfixes for some reported issues, and a MAINTAINERS file update for the fbtft drivers. We also re-enable the building of the erofs filesystem as the XArray patches that were causing it to break never got merged in the -rc1 cycle, so there's no reason it can't be turned back on for now. The problem that was previously there is now being handled in the Xarray tree at the moment, so it will not hit us again in the future. All of these patches have been in linux-next with no reported issues" * tag 'staging-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: vboxvideo: Change address of scanout buffer on page-flip staging: vboxvideo: Fix IRQs no longer working staging: gasket: TODO: re-implement using UIO staging/fbtft: Update TODO and mailing lists staging: erofs: rename superblock flags (MS_xyz -> SB_xyz) iio: imu: st_lsm6dsx: take into account ts samples in wm configuration Revert "iio: temperature: maxim_thermocouple: add MAX31856 part" Revert "staging: erofs: disable compiling temporarile" MAINTAINERS: Switch a maintainer for drivers/staging/gasket staging: wilc1000: revert "fix TODO to compile spi and sdio components in single module"
2018-09-14Merge tag 'char-misc-4.19-rc4' of ↵Linus Torvalds10-34/+73
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are a small handful of char/misc driver fixes for 4.19-rc4. All of them are simple, resolving reported problems in a few drivers. Full details are in the shortlog. All of these have been in linux-next with no reported issues" * tag 'char-misc-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: firmware: Fix security issue with request_firmware_into_buf() vmbus: don't return values for uninitalized channels fpga: dfl: fme: fix return value check in in pr_mgmt_init() misc: hmc6352: fix potential Spectre v1 Tools: hv: Fix a bug in the key delete code misc: ibmvsm: Fix wrong assignment of return code android: binder: fix the race mmap and alloc_new_buf_locked mei: bus: need to unlink client before freeing mei: bus: fix hw module get/put balance mei: fix use-after-free in mei_cl_write mei: ignore not found client in the enumeration
2018-09-14Revert "x86/mm/legacy: Populate the user page-table with user pgd's"Joerg Roedel2-10/+1
This reverts commit 1f40a46cf47c12d93a5ad9dccd82bd36ff8f956a. It turned out that this patch is not sufficient to enable PTI on 32 bit systems with legacy 2-level page-tables. In this paging mode the huge-page PTEs are in the top-level page-table directory, where also the mirroring to the user-space page-table happens. So every huge PTE exits twice, in the kernel and in the user page-table. That means that accessed/dirty bits need to be fetched from two PTEs in this mode to be safe, but this is not trivial to implement because it needs changes to generic code just for the sake of enabling PTI with 32-bit legacy paging. As all systems that need PTI should support PAE anyway, remove support for PTI when 32-bit legacy paging is used. Fixes: 7757d607c6b3 ('x86/pti: Allow CONFIG_PAGE_TABLE_ISOLATION for x86_32') Reported-by: Meelis Roos <[email protected]> Signed-off-by: Joerg Roedel <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Cc: [email protected] Cc: [email protected] Cc: Linus Torvalds <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Andrea Arcangeli <[email protected]> Link: https://lkml.kernel.org/r/[email protected]
2018-09-14drm/amdgpu: revert "stop using gart_start as offset for the GTT domain"Christian König2-6/+4
Turned out the commit is incomplete and since we remove using the AGP mapping from the GTT manager it is also not necessary any more. This reverts commit 22d8bfafcc12dfa17b91d2e8ae4e1898e782003a. Signed-off-by: Christian König <[email protected]> Acked-by: Alex Deucher <[email protected]> Acked-by: James Zhu <[email protected]> Tested-by: James Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amdgpu: fix mask in GART location calculationChristian König1-1/+1
We need to mask the lower bits not the upper one. Fixes: ec210e3226dc0 drm/amdgpu: put GART away from VRAM v2 Signed-off-by: Christian König <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Acked-by: James Zhu <[email protected]> Tested-by: James Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amdgpu/display: return proper error codes in dmAlex Deucher1-4/+4
Replace -1 with proper error codes. Acked-by: Huang Rui <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amdgpu: simplify Raven, Raven2, and Picasso handlingAlex Deucher16-113/+60
Treat them all as Raven rather than adding a new picasso asic type. This simplifies a lot of code and also handles the case of rv2 chips with the 0x15d8 pci id. It also fixes dmcu fw handling for picasso. Acked-by: Huang Rui <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amdgpu/soc15: clean up picasso supportAlex Deucher1-17/+0
It's the same as raven so remove the duplicate case. Acked-by: Huang Rui <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amdgpu: Add DMCU to firmware query interfaceDavid Francis2-0/+14
DMCU firmware version can be read using the AMDGPU_INFO ioctl or the amdgpu_firmware_info debugfs entry Signed-off-by: David Francis <[email protected]> Reviewed-by: Huang Rui <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amd/display: Add DMCU firmware versionDavid Francis2-0/+3
Read the version number from the common firmware header and store it in the dm struct Signed-off-by: David Francis <[email protected]> Reviewed-by: Huang Rui <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amdgpu: Style fixes to PRIME code documentationVijetha Malkai1-26/+26
* Use consistent capitalization in the description of function arguments * Define and consistently use the BO acronym for buffer objects * Some minor wording improvements Signed-off-by: Vijetha Malkai <[email protected]> [ Michel Dänzer: Made commit log more specific ] Signed-off-by: Michel Dänzer <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amdgpu: Initialize fences array entries in amdgpu_sa_bo_next_holeMichel Dänzer1-3/+3
The entries were only initialized once in amdgpu_sa_bo_new. If a fence wasn't signalled yet in the first amdgpu_sa_bo_next_hole call, but then got signalled before a later amdgpu_sa_bo_next_hole call, it could destroy the fence but leave its pointer in the array, resulting in use-after-free in amdgpu_sa_bo_new. Reviewed-by: Christian König <[email protected]> Signed-off-by: Michel Dänzer <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amdgpu: set CG flags for raven2 (v2)Huang Rui1-20/+37
Raven2 does not enable all of the CG flags that raven1 does. v2: rebase (Alex) Signed-off-by: Huang Rui <[email protected]> Reviewed-by: Feifei Xu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amd/powerplay: disable raven2 force dpm level support (v2)Evan Quan1-0/+6
It's not supported yet. v2: rebase (Alex) Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2018-09-14drm/amd/powerplay: round up the Mhz convertion (v2)Evan Quan1-2/+8
Since the clock value there may be like 29999 10Khz. v2: rebase (Alex) Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Huang Rui <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
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