- 07 Feb, 2021 1 commit
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Bard Liao authored
sdw_write_no_pm and sdw_read_no_pm are useful when we want to do IO without touching PM. Fixes: 0231453b ('soundwire: bus: add clock stop helpers') Fixes: 60ee9be2 ('soundwire: bus: add PM/no-PM versions of read/write functions') Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210122070634.12825-5-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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- 06 Feb, 2021 4 commits
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Pierre-Louis Bossart authored
There is no need to play with pm_runtime reference counts, if needed the codec drivers are already explicitly resumed. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210122070634.12825-4-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Pierre-Louis Bossart authored
When a Slave device is resumed, it may resume the bus and restart the enumeration. During that process, we absolutely don't want to call regular read/write routines which will wait for the resume to complete, otherwise a deadlock occurs. This patch fixes the same problem as the previous one, but is split to make the life of linux-stable maintainers less painful. Fixes: 29d158f9 ('soundwire: bus: initialize bus clock base and scale registers') Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210122070634.12825-3-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Pierre-Louis Bossart authored
When a Slave device is resumed, it may resume the bus and restart the enumeration. During that process, we absolutely don't want to call regular read/write routines which will wait for the resume to complete, otherwise a deadlock occurs. Fixes: 60ee9be2 ('soundwire: bus: add PM/no-PM versions of read/write functions') Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210122070634.12825-2-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Vinod Koul authored
This reverts commit 6d5e7af1 ("soundwire: debugfs: use controller id instead of link_id") for now while we arrive at a better way for this. Signed-off-by: Vinod Koul <vkoul@kernel.org>
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- 01 Feb, 2021 2 commits
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Chao Song authored
If there is no slave attached to soundwire bus, we can return earlier from sdw_bus_prep_clk_stop() and sdw_bus_exit_clk_stop(), this saves a redundant value check. Signed-off-by: Chao Song <chao.song@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210126085439.4349-1-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Pierre-Louis Bossart authored
Add a dev_dbg() log for both enumeration and initialization completion to better track suspend-resume issues. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Chao Song <chao.song@intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210126085402.4264-1-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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- 19 Jan, 2021 10 commits
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Pierre-Louis Bossart authored
There are too many logs on startup, e.g. [ 8811.851497] cdns_fill_msg_resp: 2 callbacks suppressed [ 8811.851497] intel-sdw intel-sdw.0: Msg Ack not received [ 8811.851498] intel-sdw intel-sdw.0: Msg Ack not received [ 8811.851499] intel-sdw intel-sdw.0: Msg Ack not received [ 8811.851499] intel-sdw intel-sdw.0: Msg Ack not received [ 8811.851500] intel-sdw intel-sdw.0: Msg Ack not received [ 8811.851500] intel-sdw intel-sdw.0: Msg Ack not received [ 8811.851502] intel-sdw intel-sdw.0: Msg ignored for Slave 0 [ 8811.851503] soundwire sdw-master-0: No more devices to enumerate We can skip the 'Msg Ack not received' since it's typical of the enumeration end, and conversely add the information on which command fails. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210115053738.22630-6-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Pierre-Louis Bossart authored
The existing code reports a NAK only when ACK=0 This is not aligned with the SoundWire 1.x specifications. Table 32 in the SoundWire 1.2 specification shows that a Device shall not set NAK=1 if ACK=1. But Table 33 shows the Combined Response may very well be NAK=1/ACK=1, e.g. if another Device than the one addressed reports a parity error. NAK=1 signals a 'Command_Aborted', regardless of the ACK bit value. Move the tests for NAK so that the NAK=1/ACK=1 combination is properly detected according to the specification. Fixes: 956baa19 ('soundwire: cdns: Add sdw_master_ops and IO transfer support') Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210115053738.22630-5-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Bard Liao authored
The current error log does not provide details on the type of transfers and which address/count was requested. All this information can help locate in which parts of the configuration process an error occurred. Co-developed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210115053738.22630-4-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Pierre-Louis Bossart authored
The existing debug log only mentions a state change, without providing any details. For integration and stress-tests, it's helpful to see in the dmesg log the reason for the state change. The value is intended for power users and isn't converted as human-readable values. But for the record each device has a 4-bit status: BIT(0): Unattached BIT(1): Attached BIT(2): Alert BIT(3): Reserved (should not happen) Example: [ 121.891288] intel-sdw intel-sdw.0: Slave status change: 0x2 << this shows a Device0 Attached [ 121.891295] soundwire sdw-master-0: Slave attached, programming device number [ 121.891629] soundwire sdw-master-0: SDW Slave Addr: 30025d071101 [ 121.891632] soundwire sdw-master-0: SDW Slave class_id 1, part_id 711, mfg_id 25d, unique_id 0, version 3 [ 121.892011] intel-sdw intel-sdw.0: Msg ignored for Slave 0 [ 121.892013] soundwire sdw-master-0: No more devices to enumerate [ 121.892200] intel-sdw intel-sdw.0: Slave status change: 0x21 << this shows the device now Attached as Device1 and Unattached as Device0, i.e. a successful enumeration. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210115053738.22630-3-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Pierre-Louis Bossart authored
We mix decimal and hexadecimal values, this leads to confusions in dmesg logs and bug reports. Let's add a 0x prefix for all hexadecimal values and a format when more than 4 bits are used. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210115053738.22630-2-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Bard Liao authored
dev->power.runtime_error will be set to the return value of the runtime suspend callback function, and runtime resume function will return -EINVAL if dev->power.runtime_error is not 0. Somehow the codec rarely doesn't return an ACK to the clock prepare command. If we stop the runtime suspend process and return error, we will not be able to resume again. Likewise, if the codec lost sync and did not rejoin, the resume operation will also fail. As a result, the SoundWire bus can not be used anymore. This patch suggests to finish the runtime suspend process even if we fail to stop sdw bus clock. In the case where we do a hardware reset, the codecs will be reconfigured completely. In the case where we use the regular clock stop, the codecs keep their state and worst case will fall off the bus and reattach. The only drawback is that the power consumption may be higher and device-initiated interrupts may be lost, but at least audio function can still work after resume. Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20210114030248.9005-1-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Srinivas Kandagatla authored
link_id can be zero and if we have multiple controller instances in a system like Qualcomm debugfs will end-up with duplicate namespace resulting in incorrect debugfs entries. Using id should give a unique debugfs directory entry and should fix below warning too. "debugfs: Directory 'master-0' with parent 'soundwire' already present!" Fixes: bf03473d ("soundwire: add debugfs support") Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20210115162559.20869-1-srinivas.kandagatla@linaro.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Vinod Koul authored
Somehow the soundwire MAINTAINERS did not have the tree details, so add it. Signed-off-by: Vinod Koul <vkoul@kernel.org> Link: https://lore.kernel.org/r/20210117071258.2541484-1-vkoul@kernel.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Rikard Falkeborn authored
The only place sdw_slave_dev_attr_group is used is when its address is passed to devm_device_add_group() which takes a pointer to const struct attribute_group. Make it const to allow the compiler to put it in read-only memory. This makes all attribute_group structs in the file const. Done with the help of Coccinelle. Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Link: https://lore.kernel.org/r/20210117221622.34315-1-rikard.falkeborn@gmail.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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Pierre-Louis Bossart authored
Currently the timeout for SoundWire individual transactions is 2s. This is too large in comparison with the enumeration and completion timeouts used in codec drivers. A command will typically be handled in less than 100us, so 500ms for the command completion is more than generous. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://lore.kernel.org/r/20210115061651.9740-3-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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- 06 Jan, 2021 1 commit
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Zheng Yongjun authored
Use kzalloc rather than kcalloc(1,...) The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ @@ - kcalloc(1, + kzalloc( ...) // </smpl> Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com> Link: https://lore.kernel.org/r/20201229135012.23472-1-zhengyongjun3@huawei.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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- 27 Dec, 2020 8 commits
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Linus Torvalds authored
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Linus Torvalds authored
Since commit 36e2c742 ("fs: don't allow splice read/write without explicit ops") we've required that file operation structures explicitly enable splice support, rather than falling back to the default handlers. Most /proc files use the indirect 'struct proc_ops' to describe their file operations, and were fixed up to support splice earlier in commits 40be821d..b24c30c6, but the mountinfo files interact with the VFS directly using their own 'struct file_operations' and got missed as a result. This adds the necessary support for splice to work for /proc/*/mountinfo and friends. Reported-by: Joan Bruguera Micó <joanbrugueram@gmail.com> Reported-by: Jussi Kivilinna <jussi.kivilinna@iki.fi> Link: https://bugzilla.kernel.org/show_bug.cgi?id=209971 Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://github.com/jonmason/ntbLinus Torvalds authored
Pull NTB fixes from Jon Mason: "Bug fix for IDT NTB and Intel NTB LTR management support" * tag 'ntb-5.11' of git://github.com/jonmason/ntb: ntb: intel: add Intel NTB LTR vendor support for gen4 NTB ntb: idt: fix error check in ntb_hw_idt.c
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds authored
Pull crypto fixes from Herbert Xu: "Fix a number of autobuild failures due to missing Kconfig dependencies" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: qat - add CRYPTO_AES to Kconfig dependencies crypto: keembay - Add dependency on HAS_IOMEM crypto: keembay - CRYPTO_DEV_KEEMBAY_OCS_AES_SM4 should depend on ARCH_KEEMBAY
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull objtool fix from Ingo Molnar: "Fix a segfault that occurs when built with Clang" * tag 'objtool-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Fix seg fault with Clang non-section symbols
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixes from Ingo Molnar: "Misc fixes/updates: - Fix static keys usage in module __init sections - Add separate MAINTAINERS entry for static branches/calls - Fix lockdep splat with CONFIG_PREEMPTIRQ_EVENTS=y tracing" * tag 'locking-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: softirq: Avoid bad tracing / lockdep interaction jump_label/static_call: Add MAINTAINERS jump_label: Fix usage in module __init
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fixes from Ingo Molnar: "Update/fix two CPU sanity checks in the hotplug and the boot code, and fix a typo in the Kconfig help text. [ Context: the first two commits are the result of an ongoing annotation+review work of (intentional) tick_do_timer_cpu() data races reported by KCSAN, but the annotations aren't fully cooked yet ]" * tag 'timers-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timekeeping: Fix spelling mistake in Kconfig "fullfill" -> "fulfill" tick/sched: Remove bogus boot "safety" check tick: Remove pointless cpu valid check in hotplug code
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fix from Ingo Molnar: "Fix a context switch performance regression" * tag 'sched-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Optimize finish_lock_switch()
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- 26 Dec, 2020 5 commits
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Linus Torvalds authored
Commit c9a3c4e6 ("mfd: ab8500-debugfs: Remove extraneous curly brace") removed a left-over curly brace that caused build failures, but Joe Perches points out that the subsequent 'seq_putc()' should also be removed, because the commit that caused all these problems already added the final '\n' to the seq_printf() above it. Reported-by: Joe Perches <joe@perches.com> Fixes: 886c8121 ("mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc") Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pciLinus Torvalds authored
Pull PCI fixes from Bjorn Helgaas: - Fix a tegra enumeration regression (Rob Herring) - Fix a designware-host check that warned on *success*, not failure (Alexander Lobakin) * tag 'pci-v5.11-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: dwc: Fix inverted condition of DMA mask setup warning PCI: tegra: Fix host link initialization
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Nathan Chancellor authored
Clang errors: drivers/mfd/ab8500-debugfs.c:1526:2: error: non-void function does not return a value [-Werror,-Wreturn-type] } ^ drivers/mfd/ab8500-debugfs.c:1528:2: error: expected identifier or '(' return 0; ^ drivers/mfd/ab8500-debugfs.c:1529:1: error: extraneous closing brace ('}') } ^ 3 errors generated. The cleanup in ab8500_interrupts_show left a curly brace around, remove it to fix the error. Fixes: 886c8121 ("mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc") Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Alexander Lobakin authored
Commit 660c4865 ("PCI: dwc: Set 32-bit DMA mask for MSI target address allocation") added dma_mask_set() call to explicitly set 32-bit DMA mask for MSI message mapping, but for now it throws a warning on ret == 0, while dma_set_mask() returns 0 in case of success. Fix this by inverting the condition. [bhelgaas: join string to make it greppable] Fixes: 660c4865 ("PCI: dwc: Set 32-bit DMA mask for MSI target address allocation") Link: https://lore.kernel.org/r/20201222150708.67983-1-alobakin@pm.meSigned-off-by: Alexander Lobakin <alobakin@pm.me> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Rob Herring authored
Commit b9ac0f9d ("PCI: dwc: Move dw_pcie_setup_rc() to DWC common code") broke enumeration of downstream devices on Tegra: In non-working case (next-20201211): 0001:00:00.0 PCI bridge: NVIDIA Corporation Device 1ad2 (rev a1) 0001:01:00.0 SATA controller: Marvell Technology Group Ltd. Device 9171 (rev 13) 0005:00:00.0 PCI bridge: NVIDIA Corporation Device 1ad0 (rev a1) In working case (v5.10-rc7): 0001:00:00.0 PCI bridge: Molex Incorporated Device 1ad2 (rev a1) 0001:01:00.0 SATA controller: Marvell Technology Group Ltd. Device 9171 (rev 13) 0005:00:00.0 PCI bridge: Molex Incorporated Device 1ad0 (rev a1) 0005:01:00.0 PCI bridge: PLX Technology, Inc. Device 3380 (rev ab) 0005:02:02.0 PCI bridge: PLX Technology, Inc. Device 3380 (rev ab) 0005:03:00.0 USB controller: PLX Technology, Inc. Device 3380 (rev ab) The problem seems to be dw_pcie_setup_rc() is now called twice before and after the link up handling. The fix is to move Tegra's link up handling to .start_link() function like other DWC drivers. Tegra is a bit more complicated than others as it re-inits the whole DWC controller to retry the link. With this, the initialization ordering is restored to match the prior sequence. Fixes: b9ac0f9d ("PCI: dwc: Move dw_pcie_setup_rc() to DWC common code") Link: https://lore.kernel.org/r/20201218143905.1614098-1-robh@kernel.orgReported-by: Mian Yousaf Kaukab <ykaukab@suse.de> Tested-by: Mian Yousaf Kaukab <ykaukab@suse.de> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: Vidya Sagar <vidyas@nvidia.com>
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- 25 Dec, 2020 5 commits
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Linus Torvalds authored
clang (quite rightly) complains fairly loudly about the newly added mpc1_get_mpc_out_mux() function returning an uninitialized value if the 'opp_id' checks don't pass. This may not happen in practice, but the code really shouldn't return garbage if the sanity checks don't pass. So just initialize 'val' to zero to avoid the issue. Fixes: 110b055b ("drm/amd/display: add getter routine to retrieve mpcc mux") Cc: Josip Pavic <Josip.Pavic@amd.com> Cc: Bindu Ramamurthy <bindu.r@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linuxLinus Torvalds authored
Pull more perf tools updates from Arnaldo Carvalho de Melo: - Refactor 'perf stat' per CPU/socket/die/thread aggregation fixing use cases in ARM machines. - Fix memory leak when synthesizing SDT probes in 'perf probe'. - Update kernel header copies related to KVM, epol_pwait. msr-index and powerpc and s390 syscall tables. * tag 'perf-tools-2020-12-24' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (24 commits) perf probe: Fix memory leak when synthesizing SDT probes perf stat aggregation: Add separate thread member perf stat aggregation: Add separate core member perf stat aggregation: Add separate die member perf stat aggregation: Add separate socket member perf stat aggregation: Add separate node member perf stat aggregation: Start using cpu_aggr_id in map perf cpumap: Drop in cpu_aggr_map struct perf cpumap: Add new map type for aggregation perf stat: Replace aggregation ID with a struct perf cpumap: Add new struct for cpu aggregation perf cpumap: Use existing allocator to avoid using malloc perf tests: Improve topology test to check all aggregation types perf tools: Update s390's syscall.tbl copy from the kernel sources perf tools: Update powerpc's syscall.tbl copy from the kernel sources perf s390: Move syscall.tbl check into check-headers.sh perf powerpc: Move syscall.tbl check to check-headers.sh tools headers UAPI: Synch KVM's svm.h header with the kernel tools kvm headers: Update KVM headers from the kernel sources tools headers UAPI: Sync KVM's vmx.h header with the kernel sources ...
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git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linuxLinus Torvalds authored
Pull coccinelle updates from Julia Lawall. * 'for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux: scripts: coccicheck: Correct usage of make coccicheck coccinelle: update expiring email addresses coccinnelle: Remove ptr_ret script kbuild: do not use scripts/ld-version.sh for checking spatch version remove boolinit.cocci
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Michael Ellerman authored
Commit 64a1b95b ("genirq: Restrict export of irq_to_desc()") removed the export of irq_to_desc() unless powerpc KVM is being built, because there is still a use of irq_to_desc() in modular code there. However it used: #ifdef CONFIG_KVM_BOOK3S_64_HV Which doesn't work when that symbol is =m, leading to a build failure: ERROR: modpost: "irq_to_desc" [arch/powerpc/kvm/kvm-hv.ko] undefined! Fix it by checking for the definedness of the correct symbol which is CONFIG_KVM_BOOK3S_64_HV_MODULE. Fixes: 64a1b95b ("genirq: Restrict export of irq_to_desc()") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull misc vfs updates from Al Viro: "Assorted patches from previous cycle(s)..." * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fix hostfs_open() use of ->f_path.dentry Make sure that make_create_in_sticky() never sees uninitialized value of dir_mode fs: Kill DCACHE_DONTCACHE dentry even if DCACHE_REFERENCED is set fs: Handle I_DONTCACHE in iput_final() instead of generic_drop_inode() fs/namespace.c: WARN if mnt_count has become negative
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- 24 Dec, 2020 4 commits
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git://git.lwn.net/linuxLinus Torvalds authored
Pull documentation fixes from Jonathan Corbet: "A small set of late-arriving, small documentation fixes" * tag 'docs-5.11-2' of git://git.lwn.net/linux: docs: admin-guide: Fix default value of max_map_count in sysctl/vm.rst Documentation/submitting-patches: Document the SoB chain Documentation: process: Correct numbering docs: submitting-patches: Trivial - fix grammatical error
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds authored
Pull ext4 updates from Ted Ts'o: "Various bug fixes and cleanups for ext4; no new features this cycle" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (29 commits) ext4: remove unnecessary wbc parameter from ext4_bio_write_page ext4: avoid s_mb_prefetch to be zero in individual scenarios ext4: defer saving error info from atomic context ext4: simplify ext4 error translation ext4: move functions in super.c ext4: make ext4_abort() use __ext4_error() ext4: standardize error message in ext4_protect_reserved_inode() ext4: remove redundant sb checksum recomputation ext4: don't remount read-only with errors=continue on reboot ext4: fix deadlock with fs freezing and EA inodes jbd2: add a helper to find out number of fast commit blocks ext4: make fast_commit.h byte identical with e2fsprogs/fast_commit.h ext4: fix fall-through warnings for Clang ext4: add docs about fast commit idempotence ext4: remove the unused EXT4_CURRENT_REV macro ext4: fix an IS_ERR() vs NULL check ext4: check for invalid block size early when mounting a file system ext4: fix a memory leak of ext4_free_data ext4: delete nonsensical (commented-out) code inside ext4_xattr_block_set() ext4: update ext4_data_block_valid related comments ...
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git://github.com/cschaufler/smack-nextLinus Torvalds authored
Pull smack fix from Casey Schaufler: "Provide a fix for the incorrect handling of privilege in the face of io_uring's use of kernel threads. That invalidated an long standing assumption regarding the privilege of kernel threads. The fix is simple and safe. It was provided by Jens Axboe and has been tested" * tag 'Smack-for-5.11-io_uring-fix' of git://github.com/cschaufler/smack-next: Smack: Handle io_uring kernel thread privileges
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linuxLinus Torvalds authored
Pull RISC-V fix from Palmer Dabbelt "Avoid trying to initialize memory regions outside the usable range" * tag 'riscv-for-linus-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: RISC-V: Fix usage of memblock_enforce_memory_limit
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