- 21 Oct, 2022 2 commits
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Sean Hong authored
Add support for the INX - N116BGE-EA2 (HW: C4) panel. Signed-off-by:
Sean Hong <sean.hong@quanta.corp-partner.google.com> Reviewed-by:
Douglas Anderson <dianders@chromium.org> Signed-off-by:
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Sean Hong authored
Add support for the INX - N116BGE-EA2 (HW: C2) panel. Signed-off-by:
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- 20 Oct, 2022 3 commits
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Michał Winiarski authored
The test was constructed as a single function (test case) which checks multiple conditions, calling the function that is tested multiple times with different arguments. This usually means that it can be easily converted into multiple test cases. Split igt_check_plane_state into two parameterized test cases, drm_check_plane_state and drm_check_invalid_plane_state. Passing output: ============================================================ ============== drm_plane_helper (2 subtests) =============== ================== drm_check_plane_state =================== [PASSED] clipping_simple [PASSED] clipping_rotate_reflect [PASSED] positioning_simple [PASSED] upscaling [PASSED] downscaling [PASSED] rounding1 [PASSED] rounding2 [PASSED] rounding3 [PASSED] rounding4 ============== [PASSED] drm_check_plane_state ============== ============== drm_check_invalid_plane_state =============== [PASSED] positioning_invalid [PASSED] upscaling_invalid [PASSED] downscaling_invalid ========== [PASSED] drm_check_invalid_plane_state ========== ================ [PASSED] drm_plane_helper ================= ============================================================ Testing complete. Ran 12 tests: passed: 12 v2: Add missing EXPECT/ASSERT (Maíra) v3: Use single EXPECT insted of condition + KUNIT_FAILURE (Maíra) v4: Rebase after "drm_test" rename Signed-off-by:
Michał Winiarski <michal.winiarski@intel.com> Reviewed-by:
Maíra Canal <mairacanal@riseup.net> Signed-off-by:
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Michał Winiarski authored
Currently the values are printed with debug log level. Adjust the log level and link the output with the test by using kunit_err. Example output: foo: dst: 20x20+10+10, expected: 10x10+0+0 foo: EXPECTATION FAILED at drivers/gpu/drm/tests/drm_plane_helper_test.c:85 Signed-off-by:
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Zack Rusin authored
The fb_base in struct drm_mode_config has been unused for a long time. Some drivers set it and some don't leading to a very confusing state where the variable can't be relied upon, because there's no indication as to which driver sets it and which doesn't. The only usage of fb_base is internal to two drivers so instead of trying to force it into all the drivers to get it into a coherent state completely remove it. Signed-off-by:
Zack Rusin <zackr@vmware.com> Reviewed-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by:
Thomas Zimmermann <tzimemrmann@suse.de> Acked-by:
Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221019024401.394617-1-zack@kde.org
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- 18 Oct, 2022 2 commits
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Jocelyn Falempe authored
For G200_SE_A, PLL M setting is wrong, which leads to blank screen, or "signal out of range" on VGA display. previous code had "m |= 0x80" which was changed to m |= ((pixpllcn & BIT(8)) >> 1); Tested on G200_SE_A rev 42 This line of code was moved to another file with commit 877507bb ("drm/mgag200: Provide per-device callbacks for PIXPLLC") but can be easily backported before this commit. v2: * put BIT(7) First to respect MSB-to-LSB (Thomas) * Add a comment to explain that this bit must be set (Thomas) Fixes: 2dd04094 ("drm/mgag200: Store values (not bits) in struct mgag200_pll_values") Cc: stable@vger.kernel.org Signed-off-by:
Jocelyn Falempe <jfalempe@redhat.com> Reviewed-by:
Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20221013132810.521945-1-jfalempe@redhat.com
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Maxime Ripard authored
Let's kick-off this release cycle. Signed-off-by:Maxime Ripard <maxime@cerno.tech>
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- 17 Oct, 2022 21 commits
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Dmitry Osipenko authored
The internal dma-buf lock isn't needed anymore because the updated locking specification claims that dma-buf reservation must be locked by importers, and thus, the internal data is already protected by the reservation lock. Remove the obsoleted internal lock. Acked-by:
Sumit Semwal <sumit.semwal@linaro.org> Acked-by:
Dmitry Osipenko <dmitry.osipenko@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221017172229.42269-22-dmitry.osipenko@collabora.com
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Dmitry Osipenko authored
All drivers that use dma-bufs have been moved to the updated locking specification and now dma-buf reservation is guaranteed to be locked by importers during the mapping operations. There is no need to take the internal dma-buf lock anymore. Remove locking from the videobuf2 memory allocators. Acked-by:
Tomasz Figa <tfiga@chromium.org> Acked-by:
Hans Verkuil <hverkuil-cisco@xs4all.nl> Acked-by:
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Dmitry Osipenko authored
Add documentation for the dynamic locking convention. The documentation tells dma-buf API users when they should take the reservation lock and when not. Acked-by:
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Dmitry Osipenko authored
Move dma_buf_mmap() function to the dynamic locking specification by taking the reservation lock. Neither of the today's drivers take the reservation lock within the mmap() callback, hence it's safe to enforce the locking. Acked-by:
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Dmitry Osipenko authored
Move dma-buf attachment mapping functions to the dynamic locking specification by asserting that the reservation lock is held. Acked-by:
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Dmitry Osipenko authored
Move dma-buf attachment API functions to the dynamic locking specification by taking the reservation lock around the mapping operations. The strict locking convention prevents deadlock situations for dma-buf importers and exporters. Acked-by:
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Dmitry Osipenko authored
Move dma_buf_vmap/vunmap() functions to the dynamic locking specification by asserting that the reservation lock is held. Acked-by:
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Dmitry Osipenko authored
Prepare Tegra video decoder driver to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Acked-by:
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Dmitry Osipenko authored
Prepare V4L2 memory allocators to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Acked-by:
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Dmitry Osipenko authored
Prepare gntdev driver to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Acked-by:
Juergen Gross <jgross@suse.com> Acked-by:
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Dmitry Osipenko authored
Prepare fastrpc to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Acked-by:
Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by:
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Dmitry Osipenko authored
Prepare InfiniBand drivers to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Acked-by:
Jason Gunthorpe <jgg@nvidia.com> Acked-by:
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Dmitry Osipenko authored
Prepare Etnaviv driver to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Acked-by:
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Dmitry Osipenko authored
Prepare Tegra DRM driver to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Acked-by:
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Dmitry Osipenko authored
Prepare OMAP DRM driver to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Acked-by:
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Dmitry Osipenko authored
Prepare i915 driver to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions and handling cases where importer now holds the reservation lock. Acked-by:
Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by:
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Dmitry Osipenko authored
Prepare Armada driver to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Acked-by:
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Dmitry Osipenko authored
Prepare DRM prime core to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Reviewed-by:
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Dmitry Osipenko authored
The new common dma-buf locking convention will require buffer importers to hold the reservation lock around mapping operations. Make DRM GEM core to take the lock around the vmapping operations and update DRM drivers to use the locked functions for the case where DRM core now holds the lock. This patch prepares DRM core and drivers to the common dynamic dma-buf locking convention. Acked-by:
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Dmitry Osipenko authored
Add unlocked variant of dma_buf_map/unmap_attachment() that will be used by drivers that don't take the reservation lock explicitly. Acked-by:
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Dmitry Osipenko authored
Add unlocked variant of dma_buf_vmap/vunmap() that will be utilized by drivers that don't take the reservation lock explicitly. Acked-by:
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- 16 Oct, 2022 12 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/crng/randomLinus Torvalds authored
Pull more random number generator updates from Jason Donenfeld: "This time with some large scale treewide cleanups. The intent of this pull is to clean up the way callers fetch random integers. The current rules for doing this right are: - If you want a secure or an insecure random u64, use get_random_u64() - If you want a secure or an insecure random u32, use get_random_u32() The old function prandom_u32() has been deprecated for a while now and is just a wrapper around get_random_u32(). Same for get_random_int(). - If you want a secure or an insecure random u16, use get_random_u16() - If you want a secure or an insecure random u8, use get_random_u8() - If you want secure or insecure random bytes, use get_random_bytes(). The old function prandom_bytes() has been deprecated for a while now and has long been a wrapper around get_random_bytes() - If you want a non-uniform random u32, u16, or u8 bounded by a certain open interval maximum, use prandom_u32_max() I say "non-uniform", because it doesn't do any rejection sampling or divisions. Hence, it stays within the prandom_*() namespace, not the get_random_*() namespace. I'm currently investigating a "uniform" function for 6.2. We'll see what comes of that. By applying these rules uniformly, we get several benefits: - By using prandom_u32_max() with an upper-bound that the compiler can prove at compile-time is ≤65536 or ≤256, internally get_random_u16() or get_random_u8() is used, which wastes fewer batched random bytes, and hence has higher throughput. - By using prandom_u32_max() instead of %, when the upper-bound is not a constant, division is still avoided, because prandom_u32_max() uses a faster multiplication-based trick instead. - By using get_random_u16() or get_random_u8() in cases where the return value is intended to indeed be a u16 or a u8, we waste fewer batched random bytes, and hence have higher throughput. This series was originally done by hand while I was on an airplane without Internet. Later, Kees and I worked on retroactively figuring out what could be done with Coccinelle and what had to be done manually, and then we split things up based on that. So while this touches a lot of files, the actual amount of code that's hand fiddled is comfortably small" * tag 'random-6.1-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random: prandom: remove unused functions treewide: use get_random_bytes() when possible treewide: use get_random_u32() when possible treewide: use get_random_{u8,u16}() when possible, part 2 treewide: use get_random_{u8,u16}() when possible, part 1 treewide: use prandom_u32_max() when possible, part 2 treewide: use prandom_u32_max() when possible, part 1 -
Linus Torvalds authored
Merge tag 'perf-tools-for-v6.1-2-2022-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull more perf tools updates from Arnaldo Carvalho de Melo: - Use BPF CO-RE (Compile Once, Run Everywhere) to support old kernels when using bperf (perf BPF based counters) with cgroups. - Support HiSilicon PCIe Performance Monitoring Unit (PMU), that monitors bandwidth, latency, bus utilization and buffer occupancy. Documented in Documentation/admin-guide/perf/hisi-pcie-pmu.rst. - User space tasks can migrate between CPUs, so when tracing selected CPUs, system-wide sideband is still needed, fix it in the setup of Intel PT on hybrid systems. - Fix metricgroups title message in 'perf list', it should state that the metrics groups are to be used with the '-M' option, not '-e'. - Sync the msr-index.h copy with the kernel sources, adding support for using "AMD64_TSC_RATIO" in filter expressions in 'perf trace' as well as decoding it when printing the MSR tracepoint arguments. - Fix program header size and alignment when generating a JIT ELF in 'perf inject'. - Add multiple new Intel PT 'perf test' entries, including a jitdump one. - Fix the 'perf test' entries for 'perf stat' CSV and JSON output when running on PowerPC due to an invalid topology number in that arch. - Fix the 'perf test' for arm_coresight failures on the ARM Juno system. - Fix the 'perf test' attr entry for PERF_FORMAT_LOST, adding this option to the or expression expected in the intercepted perf_event_open() syscall. - Add missing condition flags ('hs', 'lo', 'vc', 'vs') for arm64 in the 'perf annotate' asm parser. - Fix 'perf mem record -C' option processing, it was being chopped up when preparing the underlying 'perf record -e mem-events' and thus being ignored, requiring using '-- -C CPUs' as a workaround. - Improvements and tidy ups for 'perf test' shell infra. - Fix Intel PT information printing segfault in uClibc, where a NULL format was being passed to fprintf. * tag 'perf-tools-for-v6.1-2-2022-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (23 commits) tools arch x86: Sync the msr-index.h copy with the kernel sources perf auxtrace arm64: Add support for parsing HiSilicon PCIe Trace packet perf auxtrace arm64: Add support for HiSilicon PCIe Tune and Trace device driver perf auxtrace arm: Refactor event list iteration in auxtrace_record__init() perf tests stat+json_output: Include sanity check for topology perf tests stat+csv_output: Include sanity check for topology perf intel-pt: Fix system_wide dummy event for hybrid perf intel-pt: Fix segfault in intel_pt_print_info() with uClibc perf test: Fix attr tests for PERF_FORMAT_LOST perf test: test_intel_pt.sh: Add 9 tests perf inject: Fix GEN_ELF_TEXT_OFFSET for jit perf test: test_intel_pt.sh: Add jitdump test perf test: test_intel_pt.sh: Tidy some alignment perf test: test_intel_pt.sh: Print a message when skipping kernel tracing perf test: test_intel_pt.sh: Tidy some perf record options perf test: test_intel_pt.sh: Fix return checking again perf: Skip and warn on unknown format 'configN' attrs perf list: Fix metricgroups title message perf mem: Fix -C option behavior for perf mem record perf annotate: Add missing condition flags for arm64 ...
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Zeng Heng authored
Remove unnecessary `drm_mm_clean` calling in `ttm_range_man_fini_nocheck`, due to effective check is already included in the following `drm_mm_takedown`. Signed-off-by:
Zeng Heng <zengheng4@huawei.com> Reviewed-by:
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Linus Torvalds authored
Merge tag 'kbuild-fixes-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y compile error for the combination of Clang >= 14 and GAS <= 2.35. - Drop vmlinux.bz2 from the rpm package as it just annoyingly increased the package size. - Fix modpost error under build environments using musl. - Make *.ll files keep value names for easier debugging - Fix single directory build - Prevent RISC-V from selecting the broken DWARF5 support when Clang and GAS are used together. * tag 'kbuild-fixes-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: lib/Kconfig.debug: Add check for non-constant .{s,u}leb128 support to DWARF5 kbuild: fix single directory build kbuild: add -fno-discard-value-names to cmd_cc_ll_c scripts/clang-tools: Convert clang-tidy args to list modpost: put modpost options before argument kbuild: Stop including vmlinux.bz2 in the rpm's Kconfig.debug: add toolchain checks for DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT Kconfig.debug: simplify the dependency of DEBUG_INFO_DWARF4/5
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds authored
Pull more clk updates from Stephen Boyd: "This is the final part of the clk patches for this merge window. The clk rate range series needed another week to fully bake. Maxime fixed the bug that broke clk notifiers and prevented this from being included in the first pull request. He also added a unit test on top to make sure it doesn't break so easily again. The majority of the series fixes up how the clk_set_rate_*() APIs work, particularly around when the rate constraints are dropped and how they move around when reparenting clks. Overall it's a much needed improvement to the clk rate range APIs that used to be pretty broken if you looked sideways. Beyond the core changes there are a few driver fixes for a compilation issue or improper data causing clks to fail to register or have the wrong parents. These are good to get in before the first -rc so that the system actually boots on the affected devices" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (31 commits) clk: tegra: Fix Tegra PWM parent clock clk: at91: fix the build with binutils 2.27 clk: qcom: gcc-msm8660: Drop hardcoded fixed board clocks clk: mediatek: clk-mux: Add .determine_rate() callback clk: tests: Add tests for notifiers clk: Update req_rate on __clk_recalc_rates() clk: tests: Add missing test case for ranges clk: qcom: clk-rcg2: Take clock boundaries into consideration for gfx3d clk: Introduce the clk_hw_get_rate_range function clk: Zero the clk_rate_request structure clk: Stop forwarding clk_rate_requests to the parent clk: Constify clk_has_parent() clk: Introduce clk_core_has_parent() clk: Switch from __clk_determine_rate to clk_core_round_rate_nolock clk: Add our request boundaries in clk_core_init_rate_req clk: Introduce clk_hw_init_rate_request() clk: Move clk_core_init_rate_req() from clk_core_round_rate_nolock() to its caller clk: Change clk_core_init_rate_req prototype clk: Set req_rate on reparenting clk: Take into account uncached clocks in clk_set_rate_range() ...
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull more cifs updates from Steve French: - fix a regression in guest mounts to old servers - improvements to directory leasing (caching directory entries safely beyond the root directory) - symlink improvement (reducing roundtrips needed to process symlinks) - an lseek fix (to problem where some dir entries could be skipped) - improved ioctl for returning more detailed information on directory change notifications - clarify multichannel interface query warning - cleanup fix (for better aligning buffers using ALIGN and round_up) - a compounding fix - fix some uninitialized variable bugs found by Coverity and the kernel test robot * tag '6.1-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6: smb3: improve SMB3 change notification support cifs: lease key is uninitialized in two additional functions when smb1 cifs: lease key is uninitialized in smb1 paths smb3: must initialize two ACL struct fields to zero cifs: fix double-fault crash during ntlmssp cifs: fix static checker warning cifs: use ALIGN() and round_up() macros cifs: find and use the dentry for cached non-root directories also cifs: enable caching of directories for which a lease is held cifs: prevent copying past input buffer boundaries cifs: fix uninitialised var in smb2_compound_op() cifs: improve symlink handling for smb2+ smb3: clarify multichannel warning cifs: fix regression in very old smb1 mounts cifs: fix skipping to incorrect offset in emit_cached_dirents
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Maíra Canal authored
The drm_test_dp_mst_sideband_msg_req_decode repeats the same test structure with different parameters. This could be better represented by parameterized tests, provided by KUnit. In addition to the parameterization of the tests, the test case for the client ID was changed: instead of using get_random_bytes to generate the client ID, the client ID is now hardcoded in the test case. This doesn't affect the assertively of the tests, as this test case only compare the data going in with the data going out and it doesn't transform the data itself in any way. So, convert drm_test_dp_mst_sideband_msg_req_decode into parameterized tests and make the tests' allocations and prints completely managed by KUnit. Signed-off-by:
Maíra Canal <mcanal@igalia.com> Reviewed-by:
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Maíra Canal authored
The drm_test_dp_mst_calc_pbn_mode is based on a loop that executes tests for a couple of test cases. This could be better represented by parameterized tests, provided by KUnit. So, convert the drm_test_dp_mst_calc_pbn_mode into parameterized tests. Signed-off-by:
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Tetsuo Handa authored
This reverts commit 78e5a339 ("cpumask: fix checking valid cpu range"). syzbot is hitting WARN_ON_ONCE(cpu >= nr_cpumask_bits) warning at cpu_max_bits_warn() [1], for commit 78e5a339 ("cpumask: fix checking valid cpu range") is broken. Obviously that patch hits WARN_ON_ONCE() when e.g. reading /proc/cpuinfo because passing "cpu + 1" instead of "cpu" will trivially hit cpu == nr_cpumask_bits condition. Although syzbot found this problem in linux-next.git on 2022/09/27 [2], this problem was not fixed immediately. As a result, that patch was sent to linux.git before the patch author recognizes this problem, and syzbot started failing to test changes in linux.git since 2022/10/10 [3]. Andrew Jones proposed a fix for x86 and riscv architectures [4]. But [2] and [5] indicate that affected locations are not limited to arch code. More delay before we find and fix affected locations, less tested kernel (and more difficult to bisect and fix) before release. We should have inspected and fixed basically all cpumask users before applying that patch. We should not crash kernels in order to ask existing cpumask users to update their code, even if limited to CONFIG_DEBUG_PER_CPU_MAPS=y case. Link: https://syzkaller.appspot.com/bug?extid=d0fd2bf0dd6da72496dd [1] Link: https://syzkaller.appspot.com/bug?extid=21da700f3c9f0bc40150 [2] Link: https://syzkaller.appspot.com/bug?extid=51a652e2d24d53e75734 [3] Link: https://lkml.kernel.org/r/20221014155845.1986223-1-ajones@ventanamicro.com [4] Link: https://syzkaller.appspot.com/bug?extid=4d46c43d81c3bd155060 [5] Reported-by:
Andrew Jones <ajones@ventanamicro.com> Reported-by: syzbot+d0fd2bf0dd6da72496dd@syzkaller.appspotmail.com Signed-off-by:
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Yury Norov <yury.norov@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Nathan Chancellor authored
When building with a RISC-V kernel with DWARF5 debug info using clang and the GNU assembler, several instances of the following error appear: /tmp/vgettimeofday-48aa35.s:2963: Error: non-constant .uleb128 is not supported Dumping the .s file reveals these .uleb128 directives come from .debug_loc and .debug_ranges: .Ldebug_loc0: .byte 4 # DW_LLE_offset_pair .uleb128 .Lfunc_begin0-.Lfunc_begin0 # starting offset .uleb128 .Ltmp1-.Lfunc_begin0 # ending offset .byte 1 # Loc expr size .byte 90 # DW_OP_reg10 .byte 0 # DW_LLE_end_of_list .Ldebug_ranges0: .byte 4 # DW_RLE_offset_pair .uleb128 .Ltmp6-.Lfunc_begin0 # starting offset .uleb128 .Ltmp27-.Lfunc_begin0 # ending offset .byte 4 # DW_RLE_offset_pair .uleb128 .Ltmp28-.Lfunc_begin0 # starting offset .uleb128 .Ltmp30-.Lfunc_begin0 # ending offset .byte 0 # DW_RLE_end_of_list There is an outstanding binutils issue to support a non-constant operand to .sleb128 and .uleb128 in GAS for RISC-V but there does not appear to be any movement on it, due to concerns over how it would work with linker relaxation. To avoid these build errors, prevent DWARF5 from being selected when using clang and an assembler that does not have support for these symbol deltas, which can be easily checked in Kconfig with as-instr plus the small test program from the dwz test suite from the binutils issue. Link: https://sourceware.org/bugzilla/show_bug.cgi?id=27215 Link: https://github.com/ClangBuiltLinux/linux/issues/1719Signed-off-by:Nathan Chancellor <nathan@kernel.org> Reviewed-by:
Nick Desaulniers <ndesaulniers@google.com> Signed-off-by:
Masahiro Yamada <masahiroy@kernel.org>
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Masahiro Yamada authored
Commit f110e5a2 ("kbuild: refactor single builds of *.ko") was wrong. KBUILD_MODULES _is_ needed for single builds. Otherwise, "make foo/bar/baz/" does not build module objects at all. Fixes: f110e5a2 ("kbuild: refactor single builds of *.ko") Reported-by:
David Sterba <dsterba@suse.cz> Signed-off-by:
David Sterba <dsterba@suse.com>
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