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Clamp the fbdev surface size of the available maximumi height to avoid
failing to init console emulation. An example error is shown below.
bad framebuffer height 2304, should be >= 768 && <= 768
[drm] Initialized simpledrm 1.0.0 20200625 for simple-framebuffer.0 on minor 0
simple-framebuffer simple-framebuffer.0: [drm] *ERROR* fbdev: Failed to setup generic emulation (ret=-22)
This is especially a problem with drivers that have very small screen
sizes and cannot over-allocate at all.
v2:
* reduce warning level (Ville)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 11e8f5fd22 ("drm: Add simpledrm driver")
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reported-by: Amanoel Dawod <kernel@amanoeldawod.com>
Reported-by: Zoltán Kővágó <dirty.ice.hu@gmail.com>
Reported-by: Michael Stapelberg <michael+lkml@stapelberg.ch>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.14+
Link: https://patchwork.freedesktop.org/patch/msgid/20211005070355.7680-1-tzimmermann@suse.de
Signed-off-by: Dave Airlie <airlied@redhat.com>
In commit e11f5bd822 ("drm: Add support for DP 1.4 Compliance edid
corruption test") the function connector_bad_edid() started assuming
that the memory for the EDID passed to it was big enough to hold
`edid[0x7e] + 1` blocks of data (1 extra for the base block). It
completely ignored the fact that the function was passed `num_blocks`
which indicated how much memory had been allocated for the EDID.
Let's fix this by adding a bounds check.
This is important for handling the case where there's an error in the
first block of the EDID. In that case we will call
connector_bad_edid() without having re-allocated memory based on
`edid[0x7e]`.
Fixes: e11f5bd822 ("drm: Add support for DP 1.4 Compliance edid corruption test")
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211005192905.v2.1.Ib059f9c23c2611cb5a9d760e7d0a700c1295928d@changeid
Signed-off-by: Dave Airlie <airlied@redhat.com>
As per the comment on top of acpi_evaluate_dsm():
| * Evaluate device's _DSM method with specified GUID, revision id and
| * function number. Caller needs to free the returned object.
We should free the returned object of acpi_evaluate_dsm() to avoid memory
leakage. Otherwise the kmemleak splat will be triggered at boot time (if we
compile kernel with CONFIG_DEBUG_TEST_DRIVER_REMOVE=y).
Fixes: 8e55f99c51 ("drm/i915: Invoke another _DSM to enable MUX on HP Workstation laptops")
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210906033541.862-1-yuzenghui@huawei.com
(cherry picked from commit 149ac2e7ae)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Set number of engines before attempting to create contexts so the
function free_engines can clean up properly. Also check return of
alloc_engines for NULL.
v2:
(Tvrtko)
- Send as stand alone patch
(John Harrison)
- Check for alloc_engines returning NULL
v3:
(Checkpatch / Tvrtko)
- Remove braces around single line if statement
Cc: Jason Ekstrand <jason@jlekstrand.net>
Fixes: d4433c7600 ("drm/i915/gem: Use the proto-context to handle create parameters (v5)")
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211001155825.6762-1-matthew.brost@intel.com
(cherry picked from commit 84edf53776)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
On R-Car D3 and E3, the LVDS encoders provide the pixel clock to the DU,
even when LVDS outputs are not used. For this reason, the rcar-lvds
driver probes successfully on those platforms even if no further bridge
or panel is connected to the LVDS output, in order to provide the
rcar_lvds_clk_enable() and rcar_lvds_clk_disable() functions to the DU
driver.
If an LVDS output isn't connected, trying to create a DRM connector for
the output will fail. Fix this by skipping connector creation in that
case, and also skip creation of the DRM encoder as there's no point in
an encoder without a connector.
Fixes: e9e056949c ("drm: rcar-du: lvds: Convert to DRM panel bridge helper")
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
(cherry picked from commit 187502afe8)
Signed-off-by: Dave Airlie <airlied@redhat.com>
* Fix a new crash on dev file close if the dev file was opened when
GPU is not loaded (such as missing fw in initrd)
* Switch to single drm_sched_entity per priority level per drm_file
to unbreak multi-context userspace
* Serialize GMU access to fix GMU OOB errors
* Various error path fixes
* A couple integer overflow fixes
* Fix mdp5 cursor plane WARNs
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGtD4u7yyiy+BQLmibUCbn=AdDRu7FrmdViHVx0QrcGf8g@mail.gmail.com
This disables a lock which wasn't enabled and it does not disable
the first lock in the array.
Fixes: 6e0eb52eba ("drm/msm/dsi: Parse bus clocks from a list")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20211001123409.GG2283@kili
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Return an error code if msm_dsi_manager_validate_current_config().
Don't return success.
Fixes: 8b03ad30e3 ("drm/msm/dsi: Use one connector for dual DSI mode")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20211001123308.GF2283@kili
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
The downstream driver models this PLL lock check as an if-elseif-else.
The only way to reach the else case where pll_locked=true [1] is by
succeeding both readl_poll_timeout_atomic calls (which return zero on
success) in the if _and_ elseif condition. Hence both the "lock" and
"ready" bit need to be tested in the SM_READY_STATUS register before
considering the PLL locked and ready to go.
Tested on the Sony Xperia XA2 Ultra (nile-discovery, sdm630).
[1]: https://source.codeaurora.org/quic/la/kernel/msm-4.19/tree/drivers/clk/qcom/mdss/mdss-dsi-pll-14nm-util.c?h=LA.UM.9.2.1.r1-08000-sdm660.0#n302
Fixes: f079f6d999 ("drm/msm/dsi: Add PHY/PLL for 8x96")
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210906202552.824598-1-marijn.suijten@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
The commit 9f91f22aaf ("drm/msm/dsi: remove duplicate fields from
dsi_pll_Nnm instances") mistakenly changed registered clock names. While
the platform is in progress of migration to using clock properties in
the dts rather than the global clock names, we should provide backwards
compatibility. Thus restore registerd global clock names.
Fixes: 9f91f22aaf ("drm/msm/dsi: remove duplicate fields from dsi_pll_Nnm instances")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/20210921162245.1858118-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Both PINGPONG4 and PINGPONG5 IRQ registers are using the
same address, which is incorrect. PINGPONG4 should use the
register offset 30, and PINGPONG5 should use the register
offset 31 according to the downstream driver.
Fixes: 667e9985ee ("drm/msm/dpu: replace IRQ lookup with the data in hw catalog")
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210819133636.2045766-1-robert.foss@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Since commit 98659487b8 ("drm/msm: add support to take dpu snapshot")
the following NULL pointer dereference is seen on i.MX53:
[ 3.275493] msm msm: bound 30000000.gpu (ops a3xx_ops)
[ 3.287174] [drm] Initialized msm 1.8.0 20130625 for msm on minor 0
[ 3.293915] 8<--- cut here ---
[ 3.297012] Unable to handle kernel NULL pointer dereference at virtual address 00000028
[ 3.305244] pgd = (ptrval)
[ 3.307989] [00000028] *pgd=00000000
[ 3.311624] Internal error: Oops: 805 [#1] SMP ARM
[ 3.316430] Modules linked in:
[ 3.319503] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.14.0+g682d702b426b #1
[ 3.326652] Hardware name: Freescale i.MX53 (Device Tree Support)
[ 3.332754] PC is at __mutex_init+0x14/0x54
[ 3.336969] LR is at msm_disp_snapshot_init+0x24/0xa0
i.MX53 does not use the DPU controller.
Fix the problem by only calling msm_disp_snapshot_init() on platforms that
use the DPU controller.
Cc: stable@vger.kernel.org
Fixes: 98659487b8 ("drm/msm: add support to take dpu snapshot")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210914174831.2044420-1-festevam@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
These error paths returned 1 on failure, instead of a negative error
code. This would lead to an Oops in the caller. A second problem is
that the check for "if (ret != -ENODATA)" did not work because "ret" was
set to 1.
Fixes: 5785dd7a8e ("drm/msm: Fix duplicate gpu node in icc summary")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211001125904.GK2283@kili
Signed-off-by: Rob Clark <robdclark@chromium.org>
This code returns 1 on error instead of a negative error. It leads to
an Oops in the caller. A second problem is that the check for
"if (ret != -ENODATA)" cannot be true because "ret" is set to 1.
Fixes: 5785dd7a8e ("drm/msm: Fix duplicate gpu node in icc summary")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211001125759.GJ2283@kili
Signed-off-by: Rob Clark <robdclark@chromium.org>
The initialization of pointer dev dereferences pointer edp before
edp is null checked, so there is a potential null pointer deference
issue. Fix this by only dereferencing edp after edp has been null
checked.
Addresses-Coverity: ("Dereference before null check")
Fixes: ab5b0107cc ("drm/msm: Initial add eDP support in msm drm driver (v5)")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210929121857.213922-1-colin.king@canonical.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
The return type of ktime_divns() is s64. The timeout_to_jiffies() currently
assigns the result of this ktime_divns() to unsigned long, which on 32 bit
systems may overflow. Furthermore, the result of this function is sometimes
also passed to functions which expect signed long, dma_fence_wait_timeout()
is one such example.
Fix this by adjusting the type of remaining_jiffies to s64, so we do not
suffer overflow there, and return a value limited to range of 0..INT_MAX,
which is safe for all usecases of this timeout.
The above overflow can be triggered if userspace passes in too large timeout
value, larger than INT_MAX / HZ seconds. The kernel detects it and complains
about "schedule_timeout: wrong timeout value %lx" and generates a warning
backtrace.
Note that this fixes commit 6cedb8b377 ("drm/msm: avoid using 'timespec'"),
because the previously used timespec_to_jiffies() function returned unsigned
long instead of s64:
static inline unsigned long timespec_to_jiffies(const struct timespec *value)
Fixes: 6cedb8b377 ("drm/msm: avoid using 'timespec'")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jordan Crouse <jcrouse@codeaurora.org>
Cc: Rob Clark <robdclark@chromium.org>
Cc: stable@vger.kernel.org # 5.6+
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210917005913.157379-1-marex@denx.de
Signed-off-by: Rob Clark <robdclark@chromium.org>
There is no devfreq on a3xx at the moment since gpu_busy is not
implemented. This means that msm_devfreq_init() will return early
and the entire devfreq setup is skipped.
However, msm_devfreq_active() and msm_devfreq_idle() are still called
unconditionally later, causing a NULL pointer dereference:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010
Internal error: Oops: 96000004 [#1] PREEMPT SMP
CPU: 0 PID: 133 Comm: ring0 Not tainted 5.15.0-rc1 #4
Hardware name: Longcheer L8150 (DT)
pc : mutex_lock_io+0x2bc/0x2f0
lr : msm_devfreq_active+0x3c/0xe0 [msm]
Call trace:
mutex_lock_io+0x2bc/0x2f0
msm_gpu_submit+0x164/0x180 [msm]
msm_job_run+0x54/0xe0 [msm]
drm_sched_main+0x2b0/0x4a0 [gpu_sched]
kthread+0x154/0x160
ret_from_fork+0x10/0x20
Fix this by adding a check in msm_devfreq_active/idle() which ensures
that devfreq was actually initialized earlier.
Fixes: 9bc9557017 ("drm/msm: Devfreq tuning")
Reported-by: Nikita Travkin <nikita@trvn.ru>
Tested-by: Nikita Travkin <nikita@trvn.ru>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20210913164556.16284-1-stephan@gerhold.net
Signed-off-by: Rob Clark <robdclark@chromium.org>
Currently there is audio not working problem after system resume from suspend
if hdmi monitor stay plugged in at DUT. However this problem does not happen
at normal operation but at a particular test case. The root cause is DP driver
signal audio with connected state at resume which trigger audio trying to setup
audio data path through DP main link but failed due to display port is not setup
and enabled by upper layer framework yet. This patch only have DP driver signal
audio only when DP is in disconnected state so that audio option shows correct
state after system resume. DP driver will not signal audio with connected state
until display enabled executed by upper layer framework where display port is
setup completed and main link is running.
Changes in V2:
-- add details commit text
Fixes: afc9b8b6ba ("drm/msm/dp: signal audio plugged change at dp_pm_resume")
Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1632932224-25102-1-git-send-email-khsieh@codeaurora.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
This reverts commit f4be17cd5b.
Commit c1ec54b7b5
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:
WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0
So revert that patch and all the patches depend on that patch.
Reported-by: Enric Balletbo Serra <eballetbo@gmail.com>
Tested-by: Enric Balletbo Serra <eballetbo@gmail.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This reverts commit 8cdcb36534.
Commit c1ec54b7b5
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:
WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0
So revert that patch and all the patches depend on that patch.
Reported-by: Enric Balletbo Serra <eballetbo@gmail.com>
Tested-by: Enric Balletbo Serra <eballetbo@gmail.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This reverts commit bc9241be73.
Commit c1ec54b7b5
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:
WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0
So revert that patch and all the patches depend on that patch.
Reported-by: Enric Balletbo Serra <eballetbo@gmail.com>
Tested-by: Enric Balletbo Serra <eballetbo@gmail.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This reverts commit 9efb16c2fd.
Commit c1ec54b7b5
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:
WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0
So revert that patch and all the patches depend on that patch.
Reported-by: Enric Balletbo Serra <eballetbo@gmail.com>
Tested-by: Enric Balletbo Serra <eballetbo@gmail.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Seems to fix some object-debug splat which appeared while debugging
something unrelated.
v2: s/guc_blocked/guc_state.blocked/
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Fixes: 62eaf0ae21 ("drm/i915/guc: Support request cancellation")
Link: https://patchwork.freedesktop.org/patch/msgid/20210924144646.4096402-1-matthew.auld@intel.com
(cherry picked from commit d576b31bde)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Fix a regression hit by the IPR SCSI driver, introduced by the recent addition of MSI
domains on pseries.
A big series including 8 BPF fixes, some with potential security impact and the rest
various code generation issues.
Fix our program check assembler entry path, which was accidentally jumping into a gas
macro and generating strange stack frames, which could confuse find_bug().
A couple of fixes, and related changes, to fix corner cases in our machine check handling.
Fix our DMA IOMMU ops, which were not always returning the optimal DMA mask, leading to
at least one device falling back to 32-bit DMA when it shouldn't.
A fix for KUAP handling on 32-bit Book3S.
Fix crashes seen when kdumping on some pseries systems.
Thanks to: Naveen N. Rao, Nicholas Piggin, Alexey Kardashevskiy, Cédric Le Goater,
Christophe Leroy, Mahesh Salgaonkar, Abdul Haleem, Christoph Hellwig, Johan Almbladh, Stan
Johnson.
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Merge tag 'powerpc-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"A bit of a big batch, partly because I didn't send any last week, and
also just because the BPF fixes happened to land this week.
Summary:
- Fix a regression hit by the IPR SCSI driver, introduced by the
recent addition of MSI domains on pseries.
- A big series including 8 BPF fixes, some with potential security
impact and the rest various code generation issues.
- Fix our program check assembler entry path, which was accidentally
jumping into a gas macro and generating strange stack frames, which
could confuse find_bug().
- A couple of fixes, and related changes, to fix corner cases in our
machine check handling.
- Fix our DMA IOMMU ops, which were not always returning the optimal
DMA mask, leading to at least one device falling back to 32-bit DMA
when it shouldn't.
- A fix for KUAP handling on 32-bit Book3S.
- Fix crashes seen when kdumping on some pseries systems.
Thanks to Naveen N. Rao, Nicholas Piggin, Alexey Kardashevskiy, Cédric
Le Goater, Christophe Leroy, Mahesh Salgaonkar, Abdul Haleem,
Christoph Hellwig, Johan Almbladh, Stan Johnson"
* tag 'powerpc-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
pseries/eeh: Fix the kdump kernel crash during eeh_pseries_init
powerpc/32s: Fix kuap_kernel_restore()
powerpc/pseries/msi: Add an empty irq_write_msi_msg() handler
powerpc/64s: Fix unrecoverable MCE calling async handler from NMI
powerpc/64/interrupt: Reconcile soft-mask state in NMI and fix false BUG
powerpc/64: warn if local irqs are enabled in NMI or hardirq context
powerpc/traps: do not enable irqs in _exception
powerpc/64s: fix program check interrupt emergency stack path
powerpc/bpf ppc32: Fix BPF_SUB when imm == 0x80000000
powerpc/bpf ppc32: Do not emit zero extend instruction for 64-bit BPF_END
powerpc/bpf ppc32: Fix JMP32_JSET_K
powerpc/bpf ppc32: Fix ALU32 BPF_ARSH operation
powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC
powerpc/security: Add a helper to query stf_barrier type
powerpc/bpf: Fix BPF_SUB when imm == 0x80000000
powerpc/bpf: Fix BPF_MOD when imm == 1
powerpc/bpf: Validate branch ranges
powerpc/lib: Add helper to check if offset is within conditional branch range
powerpc/iommu: Report the correct most efficient DMA mask for PCI devices
- Align .altinstructions section creation with the kernel's by creating
them with entry size of 0
- Fix objtool to convert a reloc symbol to a section offset and not to
not warn about not knowing how
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Merge tag 'objtool_urgent_for_v5.15_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Borislav Petkov:
- Remove an extra section.len member in favour of section.sh_size
- Align .altinstructions section creation with the kernel's by creating
them with entry size of 0
- Fix objtool to convert a reloc symbol to a section offset and not to
not warn about not knowing how
* tag 'objtool_urgent_for_v5.15_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Remove redundant 'len' field from struct section
objtool: Make .altinstructions section entry size consistent
objtool: Remove reloc symbol type checks in get_alt_entry()
out due to histerical reasons and 64-bit kernels reject them
- A fix to clear X86_FEATURE_SMAP when support for is not config-enabled
- Three fixes correcting misspelled Kconfig symbols used in code
- Two resctrl object cleanup fixes
- Yet another attempt at fixing the neverending saga of botched x86
timers, this time because some incredibly smart hardware decides to turn
off the HPET timer in a low power state - who cares if the OS is relying
on it...
- Check the full return value range of an SEV VMGEXIT call to determine
whether it returned an error
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Merge tag 'x86_urgent_for_v5.15_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- A FPU fix to properly handle invalid MXCSR values: 32-bit masks them
out due to historical reasons and 64-bit kernels reject them
- A fix to clear X86_FEATURE_SMAP when support for is not
config-enabled
- Three fixes correcting misspelled Kconfig symbols used in code
- Two resctrl object cleanup fixes
- Yet another attempt at fixing the neverending saga of botched x86
timers, this time because some incredibly smart hardware decides to
turn off the HPET timer in a low power state - who cares if the OS is
relying on it...
- Check the full return value range of an SEV VMGEXIT call to determine
whether it returned an error
* tag 'x86_urgent_for_v5.15_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Restore the masking out of reserved MXCSR bits
x86/Kconfig: Correct reference to MWINCHIP3D
x86/platform/olpc: Correct ifdef symbol to intended CONFIG_OLPC_XO15_SCI
x86/entry: Clear X86_FEATURE_SMAP when CONFIG_X86_SMAP=n
x86/entry: Correct reference to intended CONFIG_64_BIT
x86/resctrl: Fix kfree() of the wrong type in domain_add_cpu()
x86/resctrl: Free the ctrlval arrays when domain_setup_mon_state() fails
x86/hpet: Use another crystalball to evaluate HPET usability
x86/sev: Return an error on a returned non-zero SW_EXITINFO1[31:0]
Pull i2c fixes from Wolfram Sang:
"Three driver bugfixes and one leak fix for the core"
* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: mlxcpld: Modify register setting for 400KHz frequency
i2c: mlxcpld: Fix criteria for frequency setting
i2c: mediatek: Add OFFSET_EXT_CONF setting back
i2c: acpi: fix resource leak in reconfiguration device addition
Five fixes, all in drivers. The big change is the UFS task management
rework, with lpfc next and the rest being fairly minor and obvious
fixes.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Five fixes, all in drivers.
The big change is the UFS task management rework, with lpfc next and
the rest being fairly minor and obvious fixes"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: iscsi: Fix iscsi_task use after free
scsi: lpfc: Fix memory overwrite during FC-GS I/O abort handling
scsi: elx: efct: Delete stray unlock statement
scsi: ufs: core: Fix task management completion
scsi: acornscsi: Remove scsi_cmd_to_tag() reference
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Merge tag '5.15-rc4-ksmbd-fixes' of git://git.samba.org/ksmbd
Pull ksmbd fixes from Steve French:
"Six fixes for the ksmbd kernel server, including two additional
overflow checks, a fix for oops, and some cleanup (e.g. remove dead
code for less secure dialects that has been removed)"
* tag '5.15-rc4-ksmbd-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix oops from fuse driver
ksmbd: fix version mismatch with out of tree
ksmbd: use buf_data_size instead of recalculation in smb3_decrypt_req()
ksmbd: remove the leftover of smb2.0 dialect support
ksmbd: check strictly data area in ksmbd_smb2_check_message()
ksmbd: add the check to vaildate if stream protocol length exceeds maximum value
* A pair of fixes (along with the necessary cleanup) to our VDSO, to
avoid
* A fix to checksyscalls to teach it about our rv32 UABI.
* A fix to add clone3() to the rv32 UABI, which was pointed out by
checksyscalls.
* A fix to properly flush the icache on the local CPU in addition to the
remote CPUs.
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Merge tag 'riscv-for-linus-5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A pair of fixes (along with the necessory cleanup) to our VDSO, to
avoid a locking during OOM and to prevent the text from overflowing
into the data page
- A fix to checksyscalls to teach it about our rv32 UABI
- A fix to add clone3() to the rv32 UABI, which was pointed out by
checksyscalls
- A fix to properly flush the icache on the local CPU in addition to
the remote CPUs
* tag 'riscv-for-linus-5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
checksyscalls: Unconditionally ignore fstat{,at}64
riscv: Flush current cpu icache before other cpus
RISC-V: Include clone3() on rv32
riscv/vdso: make arch_setup_additional_pages wait for mmap_sem for write killable
riscv/vdso: Move vdso data page up front
riscv/vdso: Refactor asm/vdso.h
- Fix potential memory leak on a error path in eBPF.
- Fix handling of zpci device on reserve.
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Merge tag 's390-5.15-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix potential memory leak on a error path in eBPF
- Fix handling of zpci device on reserve
* tag 's390-5.15-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pci: fix zpci_zdev_put() on reserve
bpf, s390: Fix potential memory leak about jit_data
- fix build/boot issues caused by CONFIG_OF vs CONFIC_USE_OF usage
- fix reset handler for xtfpga boards
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Merge tag 'xtensa-20211008' of git://github.com/jcmvbkbc/linux-xtensa
Pull xtensa fixes from Max Filippov:
- fix build/boot issues caused by CONFIG_OF vs CONFIC_USE_OF usage
- fix reset handler for xtfpga boards
* tag 'xtensa-20211008' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: xtfpga: Try software restart before simulating CPU reset
xtensa: xtfpga: use CONFIG_USE_OF instead of CONFIG_OF
xtensa: call irqchip_init only when CONFIG_USE_OF is selected
xtensa: use CONFIG_USE_OF instead of CONFIG_OF
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Merge tag 'for-linus-5.15b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- fix two minor issues in the Xen privcmd driver plus a cleanup patch
for that driver
- fix multiple issues related to running as PVH guest and some related
earlyprintk fixes for other Xen guest types
- fix an issue introduced in 5.15 the Xen balloon driver
* tag 'for-linus-5.15b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/balloon: fix cancelled balloon action
xen/x86: adjust data placement
x86/PVH: adjust function/data placement
xen/x86: hook up xen_banner() also for PVH
xen/x86: generalize preferred console model from PV to PVH Dom0
xen/x86: make "earlyprintk=xen" work for HVM/PVH DomU
xen/x86: allow "earlyprintk=xen" to work for PV Dom0
xen/x86: make "earlyprintk=xen" work better for PVH Dom0
xen/x86: allow PVH Dom0 without XEN_PV=y
xen/x86: prevent PVH type from getting clobbered
xen/privcmd: drop "pages" parameter from xen_remap_pfn()
xen/privcmd: fix error handling in mmap-resource processing
xen/privcmd: replace kcalloc() by kvcalloc() when allocating empty pages
There is one build fix for Arm platforms that ended up impacting most
architectures because of the way the drivers/firmware Kconfig file is
wired up:
The CONFIG_QCOM_SCM dependency have caused a number of randconfig
regressions over time, and some still remain in v5.15-rc4. The
fix we agreed on in the end is to make this symbol selected by any
driver using it, and then building it even for non-Arm platforms with
CONFIG_COMPILE_TEST.
To make this work on all architectures, the drivers/firmware/Kconfig
file needs to be included for all architectures to make the symbol
itself visible.
In a separate discussion, we found that a sound driver patch that is
pending for v5.16 needs the same change to include this Kconfig file,
so the easiest solution seems to have my Kconfig rework included in v5.15.
There is a small merge conflict against an earlier partial fix for the
QCOM_SCM dependency problems.
Finally, the branch also includes a small unrelated build fix for NOMMU
architectures.
Link: https://lore.kernel.org/all/20210928153508.101208f8@canb.auug.org.au/
Link: https://lore.kernel.org/all/20210928075216.4193128-1-arnd@kernel.org/
Link: https://lore.kernel.org/all/20211007151010.333516-1-arnd@kernel.org/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic fixes from Arnd Bergmann:
"There is one build fix for Arm platforms that ended up impacting most
architectures because of the way the drivers/firmware Kconfig file is
wired up:
The CONFIG_QCOM_SCM dependency have caused a number of randconfig
regressions over time, and some still remain in v5.15-rc4. The fix we
agreed on in the end is to make this symbol selected by any driver
using it, and then building it even for non-Arm platforms with
CONFIG_COMPILE_TEST.
To make this work on all architectures, the drivers/firmware/Kconfig
file needs to be included for all architectures to make the symbol
itself visible.
In a separate discussion, we found that a sound driver patch that is
pending for v5.16 needs the same change to include this Kconfig file,
so the easiest solution seems to have my Kconfig rework included in
v5.15.
Finally, the branch also includes a small unrelated build fix for
NOMMU architectures"
Link: https://lore.kernel.org/all/20210928153508.101208f8@canb.auug.org.au/
Link: https://lore.kernel.org/all/20210928075216.4193128-1-arnd@kernel.org/
Link: https://lore.kernel.org/all/20211007151010.333516-1-arnd@kernel.org/
* tag 'asm-generic-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic/io.h: give stub iounmap() on !MMU same prototype as elsewhere
qcom_scm: hide Kconfig symbol
firmware: include drivers/firmware/Kconfig unconditionally
Fix a recent ACPI-related regression in the PCI subsystem that
introduced a NULL pointer dereference possible to trigger from
user space via sysfs on some systems.
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Merge tag 'acpi-5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix a recent ACPI-related regression in the PCI subsystem that
introduced a NULL pointer dereference possible to trigger from
user space via sysfs on some systems"
* tag 'acpi-5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PCI: ACPI: Check parent pointer in acpi_pci_find_companion()
Here are some small USB fixes for 5.15-rc5 that resolve a number of
reported issues:
- gadget driver fixes
- xhci build warning fixes
- build configuration fix
- cdc-acm tty handling fixes
- cdc-wdm fix
- typec fixes
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.15-rc5 that resolve a number of
reported issues:
- gadget driver fixes
- xhci build warning fixes
- build configuration fix
- cdc-acm tty handling fixes
- cdc-wdm fix
- typec fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: cdc-acm: fix break reporting
USB: cdc-acm: fix racy tty buffer accesses
usb: gadget: f_uac2: fixed EP-IN wMaxPacketSize
usb: cdc-wdm: Fix check for WWAN
usb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle
usb: typec: tcpm: handle SRC_STARTUP state if cc changes
usb: typec: tcpci: don't handle vSafe0V event if it's not enabled
usb: typec: tipd: Remove dependency on "connector" child fwnode
Partially revert "usb: Kconfig: using select for USB_COMMON dependency"
usb: dwc3: gadget: Revert "set gadgets parent to the right controller"
usb: xhci: tegra: mark PM functions as __maybe_unused
core:
- Kconfig fix for fb_simple vs simpledrm.
i915:
- Fix RKL HDMI audio
- Fix runtime pm imbalance on i915_gem_shrink() error path
- Fix Type-C port access before hw/sw state sync
- Fix VBT backlight struct version/size check
- Fix VT-d async flip on SKL/BXT with plane stretch workaround
amdgpu:
- DCN 3.1 DP alt mode fixes
- S0ix gfxoff fix
- Fix DRM_AMD_DC_SI dependencies
- PCIe DPC handling fix
- DCN 3.1 scaling fix
- Documentation fix
amdkfd:
- Fix potential memory leak
- IOMMUv2 init fixes
vc4:
- compiler fix
- (there were some hdmi fixes but things got reverted, sort it out later)
nouveau:
- Cursor fix
- Fix ttm buffer moves for ampere gpu's by adding minimal acceleration support.
- memory leak fixes
rockchip:
- crtc/clk fixup
panel:
- ili9341 Fix DT bindings indent
- y030xx067a - yellow tint init seq fix
gbefb:
- Fix gbefb when built with COMPILE_TEST.
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Merge tag 'drm-fixes-2021-10-08' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"I've returned from my tropical island retreat, even managed to bring
one of my kids on a dive with some turtles. Thanks to Daniel for doing
last week's work.
Otherwise this is the weekly fixes pull, it's a bit bigger because the
vc4 reverts in your tree caused some problems with fixes in the
drm-misc tree so it got left out last week, so this week has the misc
fixes rebased without the vc4 pieces.
Otherwise it's i915, amdgpu with the usual fixes and a scattering over
other drivers.
I expect things should calm down a bit more next week.
core:
- Kconfig fix for fb_simple vs simpledrm.
i915:
- Fix RKL HDMI audio
- Fix runtime pm imbalance on i915_gem_shrink() error path
- Fix Type-C port access before hw/sw state sync
- Fix VBT backlight struct version/size check
- Fix VT-d async flip on SKL/BXT with plane stretch workaround
amdgpu:
- DCN 3.1 DP alt mode fixes
- S0ix gfxoff fix
- Fix DRM_AMD_DC_SI dependencies
- PCIe DPC handling fix
- DCN 3.1 scaling fix
- Documentation fix
amdkfd:
- Fix potential memory leak
- IOMMUv2 init fixes
vc4 (there were some hdmi fixes but things got reverted, sort it out
later):
- compiler fix
nouveau:
- Cursor fix
- Fix ttm buffer moves for ampere gpu's by adding minimal
acceleration support.
- memory leak fixes
rockchip:
- crtc/clk fixup
panel:
- ili9341 Fix DT bindings indent
- y030xx067a - yellow tint init seq fix
gbefb:
- Fix gbefb when built with COMPILE_TEST"
* tag 'drm-fixes-2021-10-08' of git://anongit.freedesktop.org/drm/drm: (33 commits)
drm/amd/display: Fix detection of 4 lane for DPALT
drm/amd/display: Limit display scaling to up to 4k for DCN 3.1
drm/amd/display: Skip override for preferred link settings during link training
drm/nouveau/debugfs: fix file release memory leak
drm/nouveau/kms/nv50-: fix file release memory leak
drm/nouveau: avoid a use-after-free when BO init fails
DRM: delete DRM IRQ legacy midlayer docs
video: fbdev: gbefb: Only instantiate device when built for IP32
fbdev: simplefb: fix Kconfig dependencies
drm/panel: abt-y030xx067a: yellow tint fix
dt-bindings: panel: ili9341: correct indentation
drm/nouveau/fifo/ga102: initialise chid on return from channel creation
drm/rockchip: Update crtc fixup to account for fractional clk change
drm/nouveau/ga102-: support ttm buffer moves via copy engine
drm/nouveau/kms/tu102-: delay enabling cursor until after assign_windows
drm/sun4i: dw-hdmi: Fix HDMI PHY clock setup
drm/vc4: hdmi: Remove unused struct
drm/kmb: Enable alpha blended second plane
drm/amdgpu: handle the case of pci_channel_io_frozen only in amdgpu_pci_resume
drm/amdgpu: init iommu after amdkfd device init
...
Ser Olmy reported a boot failure:
init[1] bad frame in sigreturn frame:(ptrval) ip:b7c9fbe6 sp:bf933310 orax:ffffffff \
in libc-2.33.so[b7bed000+156000]
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
CPU: 0 PID: 1 Comm: init Tainted: G W 5.14.9 #1
Hardware name: Hewlett-Packard HP PC/HP Board, BIOS JD.00.06 12/06/2001
Call Trace:
dump_stack_lvl
dump_stack
panic
do_exit.cold
do_group_exit
get_signal
arch_do_signal_or_restart
? force_sig_info_to_task
? force_sig
exit_to_user_mode_prepare
syscall_exit_to_user_mode
do_int80_syscall_32
entry_INT80_32
on an old 32-bit Intel CPU:
vendor_id : GenuineIntel
cpu family : 6
model : 6
model name : Celeron (Mendocino)
stepping : 5
microcode : 0x3
Ser bisected the problem to the commit in Fixes.
tglx suggested reverting the rejection of invalid MXCSR values which
this commit introduced and replacing it with what the old code did -
simply masking them out to zero.
Further debugging confirmed his suggestion:
fpu->state.fxsave.mxcsr: 0xb7be13b4, mxcsr_feature_mask: 0xffbf
WARNING: CPU: 0 PID: 1 at arch/x86/kernel/fpu/signal.c:384 __fpu_restore_sig+0x51f/0x540
so restore the original behavior only for 32-bit kernels where you have
ancient machines with buggy hardware. For 32-bit programs on 64-bit
kernels, user space which supplies wrong MXCSR values is considered
malicious so fail the sigframe restoration there.
Fixes: 6f9866a166 ("x86/fpu/signal: Let xrstor handle the features to init")
Reported-by: Ser Olmy <ser.olmy@protonmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Tested-by: Ser Olmy <ser.olmy@protonmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/YVtA67jImg3KlBTw@zn.tnic
These can be replaced by statx(). Since rv32 has a 64-bit time_t we
just never ended up with them in the first place. This is now an error
due to -Werror.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
