- 21 Jul, 2021 18 commits
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Jiri Slaby authored
The comment about interrupt routines is stale at least since commit 41c28ff1 (kill _INLINE_) from 2006. So remove the obsolete parts and leave only "here they start...". Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210714091314.8292-3-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Jiri Slaby authored
Remove a print of serial_name and serial_version from the probe function, i.e. show_serial_version() from amiga_serial_probe(). The value of such a print is minimal. Aside from that, the version is artificial (copied from the serial core in 2.3.45pre2 and never increased). So inline the version into seq_printf's format string in rs_proc_show() and remove both strings completely. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210714091314.8292-2-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Jiri Slaby authored
The ugly DBG_CNT macro is unused, so remove. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210714091314.8292-1-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Andy Shevchenko authored
For the sake of reducing layering violation add ->unregister_gpio() callback and use it in the ->exit() one. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210713095821.7834-1-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Colin Ian King authored
There is a spelling mistake in the Kconfig text. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Link: https://lore.kernel.org/r/20210719102421.14813-1-colin.king@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Nobuhiro Iwamatsu authored
Convert serial for Cadence UART bindings documentation to YAML. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Link: https://lore.kernel.org/r/20210715092252.225740-1-iwamatsu@nigauri.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Shubhrajyoti Datta authored
In the commit 07e5d4ff ("Revert serial-uartlite: Add runtime support") the runtime pm support was reverted to aid reverting of the other patches. This patch adds the runtime PM support back. The runtime pm calls are used to gate and enable the clocks. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> Link: https://lore.kernel.org/r/20210713064835.27978-3-shubhrajyoti.datta@xilinx.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Shubhrajyoti Datta authored
In case the uart registration fails the clocks are left enabled. Disable the clock in case of errors. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> Link: https://lore.kernel.org/r/20210713064835.27978-2-shubhrajyoti.datta@xilinx.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Igor Matheus Andrade Torrente authored
This issue happens when a userspace program does an ioctl FBIOPUT_VSCREENINFO passing the fb_var_screeninfo struct containing only the fields xres, yres, and bits_per_pixel with values. If this struct is the same as the previous ioctl, the vc_resize() detects it and doesn't call the resize_screen(), leaving the fb_var_screeninfo incomplete. And this leads to the updatescrollmode() calculates a wrong value to fbcon_display->vrows, which makes the real_y() return a wrong value of y, and that value, eventually, causes the imageblit to access an out-of-bound address value. To solve this issue I made the resize_screen() be called even if the screen does not need any resizing, so it will "fix and fill" the fb_var_screeninfo independently. Cc: stable <stable@vger.kernel.org> # after 5.15-rc2 is out, give it time to bake Reported-and-tested-by: syzbot+858dc7a2f7ef07c2c219@syzkaller.appspotmail.com Signed-off-by: Igor Matheus Andrade Torrente <igormtorrente@gmail.com> Link: https://lore.kernel.org/r/20210628134509.15895-1-igormtorrente@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tamseel Shams authored
When DMA is used for TX and RX by serial driver, it should pass the DMA device pointer to DMA API instead of UART device pointer. DMA device should be used for DMA API because only the DMA device is aware of how the device connects to the memory. There might be an extra level of address translation due to a SMMU attached to the DMA device. When serial device is used for DMA API, the DMA API will have no clue of the SMMU attached to the DMA device. This patch is necessary to fix the SMMU page faults which is observed when a DMA(with SMMU enabled) is attached to UART for transfer. Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Tamseel Shams <m.shams@samsung.com> Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Link: https://lore.kernel.org/r/20210629045902.48912-1-m.shams@samsung.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Bing Fan authored
In order to make pl011 work better, multiple interrupts are required, such as TXIM, RXIM, RTIM, error interrupt(FE/PE/BE/OE); at the same time, pl011 to GIC does not merge the interrupt lines(each serial-interrupt corresponding to different GIC hardware interrupt), so need to enable and request multiple gic interrupt numbers in the driver. Signed-off-by: Bing Fan <tombinfan@tencent.com> Link: https://lore.kernel.org/r/1625103512-30182-1-git-send-email-hptsfb@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Lino Sanfilippo authored
Add basic support for RS485: Provide a callback to configure RS485 settings. Handle the RS485 specific part in the functions pl011_rs485_tx_start() and pl011_rs485_tx_stop() which extend the generic start/stop callbacks. Beside via IOCTL from userspace RS485 can be enabled by means of the device tree property "rs485-enabled-at-boot-time". Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de> Link: https://lore.kernel.org/r/20210630225644.3744-1-LinoSanfilippo@gmx.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Zheyu Ma authored
uart_handle_dcd_change() requires a port lock to be held and will emit a warning when lockdep is enabled. Held corresponding lock to fix the following warnings. [ 132.528648] WARNING: CPU: 5 PID: 11600 at drivers/tty/serial/serial_core.c:3046 uart_handle_dcd_change+0xf4/0x120 [ 132.530482] Modules linked in: [ 132.531050] CPU: 5 PID: 11600 Comm: jsm Not tainted 5.14.0-rc1-00003-g7fef2edf-dirty #31 [ 132.535268] RIP: 0010:uart_handle_dcd_change+0xf4/0x120 [ 132.557100] Call Trace: [ 132.557562] ? __free_pages+0x83/0xb0 [ 132.558213] neo_parse_modem+0x156/0x220 [ 132.558897] neo_param+0x399/0x840 [ 132.559495] jsm_tty_open+0x12f/0x2d0 [ 132.560131] uart_startup.part.18+0x153/0x340 [ 132.560888] ? lock_is_held_type+0xe9/0x140 [ 132.561660] uart_port_activate+0x7f/0xe0 [ 132.562351] ? uart_startup.part.18+0x340/0x340 [ 132.563003] tty_port_open+0x8d/0xf0 [ 132.563523] ? uart_set_options+0x1e0/0x1e0 [ 132.564125] uart_open+0x24/0x40 [ 132.564604] tty_open+0x15c/0x630 Signed-off-by: Zheyu Ma <zheyuma97@gmail.com> Link: https://lore.kernel.org/r/1626242003-3809-1-git-send-email-zheyuma97@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Maciej W. Rozycki authored
Report extra baud rates supported above the base rate for ports with the UPF_MAGIC_MULTIPLIER property, so that people have a way to find out that they can be used with their system, e.g.: Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled printk: console [ttyS0] disabled serial8250.0: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A serial8250.0: ttyS0 extra baud rates supported: 230400, 460800 printk: console [ttyS0] enabled printk: bootconsole [uart8250] disabled serial8250.0: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A serial8250.0: ttyS1 extra baud rates supported: 230400, 460800 serial8250.0: ttyS2 at MMIO 0x1f000900 (irq = 20, base_baud = 230400) is a 16550A Otherwise there is no clear way to figure this out, as the feature is only reported as an obscure TTY flag in bit 16: $ cat /sys/class/tty/ttyS[0-2]/flags 0x10010040 0x10010040 0x90000040 $ Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Link: https://lore.kernel.org/r/alpine.DEB.2.21.2106260334170.37803@angie.orcam.me.ukSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Johan Hovold authored
Allow more drivers to be compile tested more easily, for example, when doing subsystem-wide changes. Verified on X86_64 as well as arm, powerpc and m68k with minimal configs in order to catch missing implicit build dependencies. Signed-off-by: Johan Hovold <johan@kernel.org> Link: https://lore.kernel.org/r/20210715083011.18887-1-johan@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Colin Ian King authored
Pointer membase is currently being in initialized with zero rather than NULL. Fix this. Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Colin Ian King <colin.king@canonical.com> Link: https://lore.kernel.org/r/20210719095533.14017-1-colin.king@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Jianmin Lv authored
ACPI-based Loongson boards need configurable rather than fixed clock frequency for serial ports. Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Link: https://lore.kernel.org/r/20210715061637.134436-1-chenhuacai@loongson.cnSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Colin Ian King authored
Don't populate the const array k3_soc_devices on the stack but instead it static. Makes the object code smaller by 44 bytes: Before: text data bss dec hex filename 31628 5609 128 37365 91f5 drivers/tty/serial/8250/8250_omap.o After: text data bss dec hex filename 31520 5673 128 37321 91c9 drivers/tty/serial/8250/8250_omap.o Reduction of 44 bytes (gcc version 10.3.0) Signed-off-by: Colin Ian King <colin.king@canonical.com> Link: https://lore.kernel.org/r/20210715140759.27244-1-colin.king@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 18 Jul, 2021 13 commits
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Linus Torvalds authored
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Linus Torvalds authored
Merge tag 'perf-tools-fixes-for-v5.14-2021-07-18' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - Skip invalid hybrid PMU on hybrid systems when the atom (little) CPUs are offlined. - Fix 'perf test' problems related to the recently added hybrid (BIG/little) code. - Split ARM's coresight (hw tracing) decode by aux records to avoid fatal decoding errors. - Fix add event failure in 'perf probe' when running 32-bit perf in a 64-bit kernel. - Fix 'perf sched record' failure when CONFIG_SCHEDSTATS is not set. - Fix memory and refcount leaks detected by ASAn when running 'perf test', should be clean of warnings now. - Remove broken definition of __LITTLE_ENDIAN from tools' linux/kconfig.h, which was breaking the build in some systems. - Cast PTHREAD_STACK_MIN to int as it may turn into 'long sysconf(__SC_THREAD_STACK_MIN_VALUE), breaking the build in some systems. - Fix libperf build error with LIBPFM4=1. - Sync UAPI files changed by the memfd_secret new syscall. * tag 'perf-tools-fixes-for-v5.14-2021-07-18' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (35 commits) perf sched: Fix record failure when CONFIG_SCHEDSTATS is not set perf probe: Fix add event failure when running 32-bit perf in a 64-bit kernel perf data: Close all files in close_dir() perf probe-file: Delete namelist in del_events() on the error path perf test bpf: Free obj_buf perf trace: Free strings in trace__parse_events_option() perf trace: Free syscall tp fields in evsel->priv perf trace: Free syscall->arg_fmt perf trace: Free malloc'd trace fields on exit perf lzma: Close lzma stream on exit perf script: Fix memory 'threads' and 'cpus' leaks on exit perf script: Release zstd data perf session: Cleanup trace_event perf inject: Close inject.output on exit perf report: Free generated help strings for sort option perf env: Fix memory leak of cpu_pmu_caps perf test maps__merge_in: Fix memory leak of maps perf dso: Fix memory leak in dso__new_map() perf test event_update: Fix memory leak of unit perf test event_update: Fix memory leak of evlist ...
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull xfs fixes from Darrick Wong: "A few fixes for issues in the new online shrink code, additional corrections for my recent bug-hunt w.r.t. extent size hints on realtime, and improved input checking of the GROWFSRT ioctl. IOW, the usual 'I somehow got bored during the merge window and resumed auditing the farther reaches of xfs': - Fix shrink eligibility checking when sparse inode clusters enabled - Reset '..' directory entries when unlinking directories to prevent verifier errors if fs is shrinked later - Don't report unusable extent size hints to FSGETXATTR - Don't warn when extent size hints are unusable because the sysadmin configured them that way - Fix insufficient parameter validation in GROWFSRT ioctl - Fix integer overflow when adding rt volumes to filesystem" * tag 'xfs-5.14-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: detect misaligned rtinherit directory extent size hints xfs: fix an integer overflow error in xfs_growfs_rt xfs: improve FSGROWFSRT precondition checking xfs: don't expose misaligned extszinherit hints to userspace xfs: correct the narrative around misaligned rtinherit/extszinherit dirs xfs: reset child dir '..' entry when unlinking child xfs: check for sparse inode clusters that cross new EOAG when shrinking
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull iomap fixes from Darrick Wong: "A handful of bugfixes for the iomap code. There's nothing especially exciting here, just fixes for UBSAN (not KASAN as I erroneously wrote in the tag message) warnings about undefined behavior in the SEEK_DATA/SEEK_HOLE code, and some reshuffling of per-page block state info to fix some problems with gfs2. - Fix KASAN warnings due to integer overflow in SEEK_DATA/SEEK_HOLE - Fix assertion errors when using inlinedata files on gfs2" * tag 'iomap-5.14-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: iomap: Don't create iomap_page objects in iomap_page_mkwrite_actor iomap: Don't create iomap_page objects for inline files iomap: Permit pages without an iop to enter writeback iomap: remove the length variable in iomap_seek_hole iomap: remove the length variable in iomap_seek_data
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Linus Torvalds authored
Merge tag 'kbuild-fixes-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Restore the original behavior of scripts/setlocalversion when LOCALVERSION is set to empty. - Show Kconfig prompts even for 'make -s' - Fix the combination of COFNIG_LTO_CLANG=y and CONFIG_MODVERSIONS=y for older GNU Make versions * tag 'kbuild-fixes-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: Documentation: Fix intiramfs script name Kbuild: lto: fix module versionings mismatch in GNU make 3.X kbuild: do not suppress Kconfig prompts for silent build scripts/setlocalversion: fix a bug when LOCALVERSION is empty
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Robert Richter authored
Documentation was not changed when renaming the script in commit 80e715a0 ("initramfs: rename gen_initramfs_list.sh to gen_initramfs.sh"). Fixing this. Basically does: $ sed -i -e s/gen_initramfs_list.sh/gen_initramfs.sh/g $(git grep -l gen_initramfs_list.sh) Fixes: 80e715a0 ("initramfs: rename gen_initramfs_list.sh to gen_initramfs.sh") Signed-off-by: Robert Richter <rrichter@amd.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Lecopzer Chen authored
When building modules(CONFIG_...=m), I found some of module versions are incorrect and set to 0. This can be found in build log for first clean build which shows WARNING: EXPORT symbol "XXXX" [drivers/XXX/XXX.ko] version generation failed, symbol will not be versioned. But in second build(incremental build), the WARNING disappeared and the module version becomes valid CRC and make someone who want to change modules without updating kernel image can't insert their modules. The problematic code is + $(foreach n, $(filter-out FORCE,$^), \ + $(if $(wildcard $(n).symversions), \ + ; cat $(n).symversions >> $@.symversions)) For example: rm -f fs/notify/built-in.a.symversions ; rm -f fs/notify/built-in.a; \ llvm-ar cDPrST fs/notify/built-in.a fs/notify/fsnotify.o \ fs/notify/notification.o fs/notify/group.o ... `foreach n` shows nothing to `cat` into $(n).symversions because `if $(wildcard $(n).symversions)` return nothing, but actually they do exist during this line was executed. -rw-r--r-- 1 root root 168580 Jun 13 19:10 fs/notify/fsnotify.o -rw-r--r-- 1 root root 111 Jun 13 19:10 fs/notify/fsnotify.o.symversions The reason is the $(n).symversions are generated at runtime, but Makefile wildcard function expends and checks the file exist or not during parsing the Makefile. Thus fix this by use `test` shell command to check the file existence in runtime. Rebase from both: 1. [https://lore.kernel.org/lkml/20210616080252.32046-1-lecopzer.chen@mediatek.com/] 2. [https://lore.kernel.org/lkml/20210702032943.7865-1-lecopzer.chen@mediatek.com/] Fixes: 38e89184 ("kbuild: lto: fix module versioning") Co-developed-by: Sami Tolvanen <samitolvanen@google.com> Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Masahiro Yamada authored
When a new CONFIG option is available, Kbuild shows a prompt to get the user input. $ make [ snip ] Core Scheduling for SMT (SCHED_CORE) [N/y/?] (NEW) This is the only interactive place in the build process. Commit 174a1dcc ("kbuild: sink stdout from cmd for silent build") suppressed Kconfig prompts as well because syncconfig is invoked by the 'cmd' macro. You cannot notice the fact that Kconfig is waiting for the user input. Use 'kecho' to show the equivalent short log without suppressing stdout from sub-make. Fixes: 174a1dcc ("kbuild: sink stdout from cmd for silent build") Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
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Mikulas Patocka authored
The commit 042da426 ("scripts/setlocalversion: simplify the short version part") reduces indentation. Unfortunately, it also changes behavior in a subtle way - if the user has empty "LOCALVERSION" variable, the plus sign is appended to the kernel version. It wasn't appended before. This patch reverts to the old behavior - we append the plus sign only if the LOCALVERSION variable is not set. Fixes: 042da426 ("scripts/setlocalversion: simplify the short version part") Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Yang Jihong authored
The tracepoints trace_sched_stat_{wait, sleep, iowait} are not exposed to user if CONFIG_SCHEDSTATS is not set, "perf sched record" records the three events. As a result, the command fails. Before: #perf sched record sleep 1 event syntax error: 'sched:sched_stat_wait' \___ unknown tracepoint Error: File /sys/kernel/tracing/events/sched/sched_stat_wait not found. Hint: Perhaps this kernel misses some CONFIG_ setting to enable this feature?. Run 'perf list' for a list of valid events Usage: perf record [<options>] [<command>] or: perf record [<options>] -- <command> [<options>] -e, --event <event> event selector. use 'perf list' to list available events Solution: Check whether schedstat tracepoints are exposed. If no, these events are not recorded. After: # perf sched record sleep 1 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.163 MB perf.data (1091 samples) ] # perf sched report run measurement overhead: 4736 nsecs sleep measurement overhead: 9059979 nsecs the run test took 999854 nsecs the sleep test took 8945271 nsecs nr_run_events: 716 nr_sleep_events: 785 nr_wakeup_events: 0 ... ------------------------------------------------------------ Fixes: 2a09b5de ("sched/fair: do not expose some tracepoints to user if CONFIG_SCHEDSTATS is not set") Signed-off-by: Yang Jihong <yangjihong1@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Yafang Shao <laoar.shao@gmail.com> Link: http://lore.kernel.org/lkml/20210713112358.194693-1-yangjihong1@huawei.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Yang Jihong authored
The "address" member of "struct probe_trace_point" uses long data type. If kernel is 64-bit and perf program is 32-bit, size of "address" variable is 32 bits. As a result, upper 32 bits of address read from kernel are truncated, an error occurs during address comparison in kprobe_warn_out_range(). Before: # perf probe -a schedule schedule is out of .text, skip it. Error: Failed to add events. Solution: Change data type of "address" variable to u64 and change corresponding address printing and value assignment. After: # perf.new.new probe -a schedule Added new event: probe:schedule (on schedule) You can now use it in all perf tools, such as: perf record -e probe:schedule -aR sleep 1 # perf probe -l probe:schedule (on schedule@kernel/sched/core.c) # perf record -e probe:schedule -aR sleep 1 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.156 MB perf.data (1366 samples) ] # perf report --stdio # To display the perf.data header info, please use --header/--header-only options. # # # Total Lost Samples: 0 # # Samples: 1K of event 'probe:schedule' # Event count (approx.): 1366 # # Overhead Command Shared Object Symbol # ........ ............... ................. ............ # 6.22% migration/0 [kernel.kallsyms] [k] schedule 6.22% migration/1 [kernel.kallsyms] [k] schedule 6.22% migration/2 [kernel.kallsyms] [k] schedule 6.22% migration/3 [kernel.kallsyms] [k] schedule 6.15% migration/10 [kernel.kallsyms] [k] schedule 6.15% migration/11 [kernel.kallsyms] [k] schedule 6.15% migration/12 [kernel.kallsyms] [k] schedule 6.15% migration/13 [kernel.kallsyms] [k] schedule 6.15% migration/14 [kernel.kallsyms] [k] schedule 6.15% migration/15 [kernel.kallsyms] [k] schedule 6.15% migration/4 [kernel.kallsyms] [k] schedule 6.15% migration/5 [kernel.kallsyms] [k] schedule 6.15% migration/6 [kernel.kallsyms] [k] schedule 6.15% migration/7 [kernel.kallsyms] [k] schedule 6.15% migration/8 [kernel.kallsyms] [k] schedule 6.15% migration/9 [kernel.kallsyms] [k] schedule 0.22% rcu_sched [kernel.kallsyms] [k] schedule ... # # (Cannot load tips.txt file, please install perf!) # Signed-off-by: Yang Jihong <yangjihong1@huawei.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Frank Ch. Eigler <fche@redhat.com> Cc: Ian Rogers <irogers@google.com> Cc: Jianlin Lv <jianlin.lv@arm.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Li Huafei <lihuafei1@huawei.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Link: http://lore.kernel.org/lkml/20210715063723.11926-1-yangjihong1@huawei.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Riccardo Mancini authored
When using 'perf report' in directory mode, the first file is not closed on exit, causing a memory leak. The problem is caused by the iterating variable never reaching 0. Fixes: 14552063 ("perf data: Add perf_data__(create_dir|close_dir) functions") Signed-off-by: Riccardo Mancini <rickyman7@gmail.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Zhen Lei <thunder.leizhen@huawei.com> Link: http://lore.kernel.org/lkml/20210716141122.858082-1-rickyman7@gmail.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Riccardo Mancini authored
ASan reports some memory leaks when running: # perf test "42: BPF filter" This second leak is caused by a strlist not being dellocated on error inside probe_file__del_events. This patch adds a goto label before the deallocation and makes the error path jump to it. Signed-off-by: Riccardo Mancini <rickyman7@gmail.com> Fixes: e7895e42 ("perf probe: Split del_perf_probe_events()") Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/174963c587ae77fa108af794669998e4ae558338.1626343282.git.rickyman7@gmail.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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- 17 Jul, 2021 9 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds authored
Pull ARM SoC fixes from Arnd Bergmann: "Here are the patches for this week that came as the fallout of the merge window: - Two fixes for the NVidia memory controller driver - multiple defconfig files get patched to turn CONFIG_FB back on after that is no longer selected by CONFIG_DRM - ffa and scmpi firmware drivers fixes, mostly addressing compiler and documentation warnings - Platform specific fixes for device tree files on ASpeed, Renesas and NVidia SoC, mostly for recent regressions. - A workaround for a regression on the USB PHY with devlink when the usb-nop-xceiv driver is not available until the rootfs is mounted. - Device tree compiler warnings in Arm Versatile-AB" * tag 'soc-fixes-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (35 commits) ARM: dts: versatile: Fix up interrupt controller node names ARM: multi_v7_defconfig: Make NOP_USB_XCEIV driver built-in ARM: configs: Update u8500_defconfig ARM: configs: Update Vexpress defconfig ARM: configs: Update Versatile defconfig ARM: configs: Update RealView defconfig ARM: configs: Update Integrator defconfig arm: Typo s/PCI_IXP4XX_LEGACY/IXP4XX_PCI_LEGACY/ firmware: arm_scmi: Fix range check for the maximum number of pending messages firmware: arm_scmi: Avoid padding in sensor message structure firmware: arm_scmi: Fix kernel doc warnings about return values firmware: arm_scpi: Fix kernel doc warnings firmware: arm_scmi: Fix kernel doc warnings ARM: shmobile: defconfig: Restore graphical consoles firmware: arm_ffa: Fix a possible ffa_linux_errmap buffer overflow firmware: arm_ffa: Fix the comment style firmware: arm_ffa: Simplify probe function firmware: arm_ffa: Ensure drivers provide a probe function firmware: arm_scmi: Fix possible scmi_linux_errmap buffer overflow firmware: arm_scmi: Ensure drivers provide a probe function ...
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Linus Torvalds authored
This reverts commit 78869146. It's not clear why, but it causes unexplained problems in entirely unrelated xfs code. The most likely explanation is some slab corruption, possibly triggered due to CONFIG_SLUB_DEBUG_ON. See [1]. It ends up having a few other problems too, like build errors on arch/arc, and Geert reporting it using much more memory on m68k [3] (it probably does so elsewhere too, but it is probably just more noticeable on m68k). The architecture issues (both build and memory use) are likely just because this change effectively force-enabled STACKDEPOT (along with a very bad default value for the stackdepot hash size). But together with the xfs issue, this all smells like "this commit was not ready" to me. Link: https://lore.kernel.org/linux-xfs/YPE3l82acwgI2OiV@infradead.org/ [1] Link: https://lore.kernel.org/lkml/202107150600.LkGNb4Vb-lkp@intel.com/ [2] Link: https://lore.kernel.org/lkml/CAMuHMdW=eoVzM1Re5FVoEN87nKfiLmM2+Ah7eNu2KXEhCvbZyA@mail.gmail.com/ [3] Reported-by: Christoph Hellwig <hch@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fixes from James Bottomley: "One core fix for an oops which can occur if the error handling thread fails to start for some reason and the driver is removed. The other fixes are all minor ones in drivers" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ufs: core: Add missing host_lock in ufshcd_vops_setup_xfer_req() scsi: mpi3mr: Fix W=1 compilation warnings scsi: pm8001: Clean up kernel-doc and comments scsi: zfcp: Report port fc_security as unknown early during remote cable pull scsi: core: Fix bad pointer dereference when ehandler kthread is invalid scsi: fas216: Fix a build error scsi: core: Fix the documentation of the scsi_execute() time parameter
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull cifs fixes from Steve French: "Eight cifs/smb3 fixes, including three for stable. Three are DFS related fixes, and two to fix problems pointed out by static checkers" * tag '5.14-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: do not share tcp sessions of dfs connections SMB3.1.1: fix mount failure to some servers when compression enabled cifs: added WARN_ON for all the count decrements cifs: fix missing null session check in mount cifs: handle reconnect of tcon when there is no cached dfs referral cifs: fix the out of range assignment to bit fields in parse_server_interfaces cifs: Do not use the original cruid when following DFS links for multiuser mounts cifs: use the expiry output of dns_query to schedule next resolution
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Linus Torvalds authored
Merge tag 'linux-kselftest-kunit-fixes-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kunit fixes from Shuah Khan: "Fixes to kunit tool and documentation: - fix asserts on older python versions - fixes to misleading error messages when TAP header format is incorrect or when file is missing - documentation fix: drop obsolete information about uml_abort coverage - remove unnecessary annotations" * tag 'linux-kselftest-kunit-fixes-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kunit: tool: Assert the version requirement kunit: tool: remove unnecessary "annotations" import Documentation: kunit: drop obsolete note about uml_abort for coverage kunit: tool: Fix error messages for cases of no tests and wrong TAP header
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Linus Torvalds authored
Merge tag 'linux-kselftest-fixes-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fix from Shuah Khan: "A fix to memory-hotplug hot-remove test to stop spamming logs with dump_page() entries and slowing the system down to a crawl" * tag 'linux-kselftest-fixes-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests: memory-hotplug: avoid spamming logs with dump_page(), ratio limit hot-remove error test
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-traceLinus Torvalds authored
Pull tracing fix from Steven Rostedt: "Fix the histogram logic from possibly crashing the kernel Working on the histogram code, I found that if you dereference a char pointer in a trace event that happens to point to user space, it can crash the kernel, as it does no checks of that pointer. I have code coming that will do this better, so just remove this ability to treat character pointers in trace events as stings in the histogram" * tag 'trace-v5.14-5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Do not reference char * as a string in histograms
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linuxLinus Torvalds authored
Pull devicetree fixes from Rob Herring: - Drop 'resets' as required on renesas,du - Moving of fixed string patterns for 'properties' instead of 'patternProperties' - Drop more redundant minItems/maxItems that we merged in the merge window - Indentation warning fix for sja1105 * tag 'devicetree-fixes-for-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: display: renesas,du: Make resets optional on R-Car H1 dt-bindings: Move fixed string 'patternProperties' to 'properties' dt-bindings: More dropping redundant minItems/maxItems dt-bindings: net: dsa: sja1105: Fix indentation warnings
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fixes from Will Deacon: "The bulk of the diffstat consists of changes to our uaccess routines so that they fall back to bytewise copying prior to reporting complete failure when the initial (multi-byte) access faults. However, the most disappointing change here is that we've had to bump ARCH_DMA_MINALIGN back to 128 bytes thanks to Qualcomm's "Kryo" CPU, which ended up in the MSM8996 mobile SoC. Still, at least we're now aware of this design and one of the hardware designers confirmed the L2 cacheline size for us. Summary: - Fix instrumentation annotations for entry code - Ensure kernel MTE state is restored correctly on resume from suspend - Fix MTE fault from new strlen() routine - Fallback to byte-wise accesses on initial uaccess fault - Bump Clang requirement for BTI - Revert ARCH_DMA_MINALIGN back to 128 bytes (shakes fist at Qualcomm)" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: entry: fix KCOV suppression arm64: entry: add missing noinstr arm64: mte: fix restoration of GCR_EL1 from suspend arm64: Avoid premature usercopy failure arm64: Restrict ARM64_BTI_KERNEL to clang 12.0.0 and newer Revert "arm64: cache: Lower ARCH_DMA_MINALIGN to 64 (L1_CACHE_BYTES)" arm64: Add missing header <asm/smp.h> in two files arm64: fix strlen() with CONFIG_KASAN_HW_TAGS
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