mirror of
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767,182 commits
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Use clear_mce_nospec() to restore WB mode for the kernel linear mapping of a pmem page that was marked 'HWPoison'. A page with 'HWPoison' set has also been marked UC in PAT (page attribute table) via set_mce_nospec() to prevent speculative retrievals of poison. The 'HWPoison' flag is only cleared when overwriting an entire page. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> 
Dan Williams
authored and
 Dave Jiang
commited |
c953cc987a | |
Currently memory_failure() returns zero if the error was handled. On that result mce_unmap_kpfn() is called to zap the page out of the kernel linear mapping to prevent speculative fetches of potentially poisoned memory. However, in the case of dax mapped devmap pages the page may be in active permanent use by the device driver, so it cannot be unmapped from the kernel. Instead of marking the page not present, marking the page UC should be sufficient for preventing poison from being pre-fetched into the cache. Convert mce_unmap_pfn() to set_mce_nospec() remapping the page as UC, to hide it from speculative accesses. Given that that persistent memory errors can be cleared by the driver, include a facility to restore the page to cacheable operation, clear_mce_nospec(). Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Borislav Petkov <bp@alien8.de> Cc: <linux-edac@vger.kernel.org> Cc: <x86@kernel.org> Acked-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Ingo Molnar <mingo@redhat.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Dan Williams
authored and
Dave Jiang
commited |
284ce4011b | |
In preparation for using set_memory_uc() instead set_memory_np() for isolating poison from speculation, teach the memtype code to sanitize physical addresses vs __PHYSICAL_MASK. The motivation for using set_memory_uc() for this case is to allow ongoing access to persistent memory pages via the pmem-driver + memcpy_mcsafe() until the poison is repaired. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: <linux-edac@vger.kernel.org> Cc: <x86@kernel.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Ingo Molnar <mingo@redhat.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Dan Williams
authored and
Dave Jiang
commited |
510ee090ab | |
mce: Uncorrected hardware memory error in user-access at af34214200
{1}[Hardware Error]: It has been corrected by h/w and requires no further action
mce: [Hardware Error]: Machine check events logged
{1}[Hardware Error]: event severity: corrected
Memory failure: 0xaf34214: reserved kernel page still referenced by 1 users
[..]
Memory failure: 0xaf34214: recovery action for reserved kernel page: Failed
mce: Memory error not recovered
In contrast to typical memory, dev_pagemap pages may be dax mapped. With
dax there is no possibility to map in another page dynamically since dax
establishes 1:1 physical address to file offset associations. Also
dev_pagemap pages associated with NVDIMM / persistent memory devices can
internal remap/repair addresses with poison. While memory_failure()
assumes that it can discard typical poisoned pages and keep them
unmapped indefinitely, dev_pagemap pages may be returned to service
after the error is cleared.
Teach memory_failure() to detect and handle MEMORY_DEVICE_HOST
dev_pagemap pages that have poison consumed by userspace. Mark the
memory as UC instead of unmapping it completely to allow ongoing access
via the device driver (nd_pmem). Later, nd_pmem will grow support for
marking the page back to WB when the error is cleared.
Cc: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jérôme Glisse <jglisse@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Dan Williams
authored and
Dave Jiang
commited |
6100e34b25 | |
In preparation for implementing support for memory poison (media error) handling via dax mappings, implement a lock_page() equivalent. Poison error handling requires rmap and needs guarantees that the page->mapping association is maintained / valid (inode not freed) for the duration of the lookup. In the device-dax case it is sufficient to simply hold a dev_pagemap reference. In the filesystem-dax case we need to use the entry lock. Export the entry lock via dax_lock_mapping_entry() that uses rcu_read_lock() to protect against the inode being freed, and revalidates the page->mapping association under xa_lock(). Cc: Christoph Hellwig <hch@lst.de> Cc: Matthew Wilcox <willy@infradead.org> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Dan Williams
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Dave Jiang
commited |
c2a7d2a115 | |
In preparation for supporting memory_failure() for dax mappings, teach collect_procs() to also determine the mapping size. Unlike typical mappings the dax mapping size is determined by walking page-table entries rather than using the compound-page accounting for THP pages. Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Dan Williams
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Dave Jiang
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ae1139ece1 | |
The madvise_inject_error() routine uses get_user_pages() to lookup the pfn and other information for injected error, but it does not release that pin. The assumption is that failed pages should be taken out of circulation. However, for dax mappings it is not possible to take pages out of circulation since they are 1:1 physically mapped as filesystem blocks, or device-dax capacity. They also typically represent persistent memory which has an error clearing capability. In preparation for adding a special handler for dax mappings, shift the responsibility of taking the page reference to memory_failure(). I.e. drop the page reference and do not specify MF_COUNT_INCREASED to memory_failure(). Cc: Michal Hocko <mhocko@suse.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Dan Williams
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Dave Jiang
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23e7b5c2e2 | |
MEMORY_DEVICE_FS_DAX relies on typical page semantics whereby ->mapping
is only ever cleared by truncation, not final put.
Without this fix dax pages may forget their mapping association at the
end of every page pin event.
Move this atypical behavior that HMM wants into the HMM ->page_free()
callback.
Cc: <stable@vger.kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jérôme Glisse <jglisse@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Fixes:
Dan Williams
authored and
Dave Jiang
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2fa147bdbf | |
Given that dax / device-mapped pages are never subject to page allocations remove them from consideration by the soft-offline mechanism. Reported-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Dan Williams
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Dave Jiang
commited |
86a66810ba | |
In support of enabling memory_failure() handling for filesystem-dax mappings, set ->index to the pgoff of the page. The rmap implementation requires ->index to bound the search through the vma interval tree. The index is set and cleared at dax_associate_entry() and dax_disassociate_entry() time respectively. Cc: Christoph Hellwig <hch@lst.de> Cc: Matthew Wilcox <willy@infradead.org> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Dan Williams
authored and
Dave Jiang
commited |
73449daf8f | |
In support of enabling memory_failure() handling for device-dax mappings, set ->index to the pgoff of the page. The rmap implementation requires ->index to bound the search through the vma interval tree. The ->index value is never cleared. There is no possibility for the page to become associated with another pgoff while the device is enabled. When the device is disabled the 'struct page' array for the device is destroyed and ->index is reinitialized to zero. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Dan Williams
authored and
Dave Jiang
commited |
35de299547 | |
In support of enabling memory_failure() handling for device-dax mappings, set the ->mapping association of pages backing device-dax mappings. The rmap implementation requires page_mapping() to return the address_space hosting the vmas that map the page. The ->mapping pointer is never cleared. There is no possibility for the page to become associated with another address_space while the device is enabled. When the device is disabled the 'struct page' array for the device is destroyed / later reinitialized to zero. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Dan Williams
authored and
Dave Jiang
commited |
2232c6382a | |
Use new return type vm_fault_t for fault and huge_fault handler. For
now, this is just documenting that the function returns a VM_FAULT value
rather than an errno. Once all instances are converted, vm_fault_t will
become a distinct type.
Commit
Dan Williams
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Dave Jiang
commited |
226ab56107 | |
Linus Torvalds
commited |
021c91791a | |
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Linus Torvalds
commited |
d3bc0e67f8 | |
Pull vfs fix from Al Viro: "Followup to procfs-seq_file series this window" This fixes a memory leak by making sure that proc seq files release any private data on close. The 'proc_seq_open' has to be properly paired with 'proc_seq_release' that releases the extra private data. * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: proc: add proc_seq_release
Linus Torvalds
commited |
4a770e638f | |
Here are a few small staging and IIO driver fixes for 4.18-rc3. Nothing major or big, all just fixes for reported problems since 4.18-rc1. All of these have been in linux-next this week with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWziQ7w8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynwZACgjpcPVTEiA0W02s4B/GhmVt1NMeUAnjgeLDzY yRz6SX18lSmjHqCUXAk1 =/2QW -----END PGP SIGNATURE----- Merge tag 'staging-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging/IIO fixes from Greg KH: "Here are a few small staging and IIO driver fixes for 4.18-rc3. Nothing major or big, all just fixes for reported problems since 4.18-rc1. All of these have been in linux-next this week with no reported problems" * tag 'staging-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: android: ion: Return an ERR_PTR in ion_map_kernel staging: comedi: quatech_daqp_cs: fix no-op loop daqp_ao_insn_write() iio: imu: inv_mpu6050: Fix probe() failure on older ACPI based machines iio: buffer: fix the function signature to match implementation iio: mma8452: Fix ignoring MMA8452_INT_DRDY iio: tsl2x7x/tsl2772: avoid potential division by zero iio: pressure: bmp280: fix relative humidity unit
Linus Torvalds
commited |
d7563ca5bf | |
Here are 5 fixes for the tty core and some serial drivers. The tty core one fix some security and other issues reported by the syzbot that I have taken too long in responding to (sorry Tetsuo!). The 8350 serial driver fix resolves an issue of devices that used to work properly stopping working as they shouldn't have been added to a blacklist. All of these have been in linux-next for a few days with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWziSHw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ym5LACg0xI1fC7LAKrLSLKglU/H4Wsv6b0AoNIkfbWi wxAZZKscwFVKNpv6gN9n =YgAj -----END PGP SIGNATURE----- Merge tag 'tty-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial fixes from Greg KH: "Here are five fixes for the tty core and some serial drivers. The tty core ones fix some security and other issues reported by the syzbot that I have taken too long in responding to (sorry Tetsuo!). The 8350 serial driver fix resolves an issue of devices that used to work properly stopping working as they shouldn't have been added to a blacklist. All of these have been in linux-next for a few days with no reported issues" * tag 'tty-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: vt: prevent leaking uninitialized data to userspace via /dev/vcs* serdev: fix memleak on module unload serial: 8250_pci: Remove stalled entries in blacklist n_tty: Access echo_* variables carefully. n_tty: Fix stall at n_tty_receive_char_special().
Linus Torvalds
commited |
652788a90d | |
Here is a number of USB gadget and other driver fixes for 4.18-rc3. There's a bunch of them here, most of them being gadget driver and xhci host controller fixes for reported issues (as normal), but there are also some new device ids, and some fixes for the typec code. There is an acpi core patch in here that was acked by the acpi maintainer as it is needed for the typec fixes in order to properly solve a problem in that driver. All of these have been in linux-next this week with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWziS+Q8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yn8QQCfU8PnLo+uPoV+DU7Nm1486mHTP4YAoLU3Q0nE oRmnzA3TnxytluWgbC7M =H8MG -----END PGP SIGNATURE----- Merge tag 'usb-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here is a number of USB gadget and other driver fixes for 4.18-rc3. There's a bunch of them here, most of them being gadget driver and xhci host controller fixes for reported issues (as normal), but there are also some new device ids, and some fixes for the typec code. There is an acpi core patch in here that was acked by the acpi maintainer as it is needed for the typec fixes in order to properly solve a problem in that driver. All of these have been in linux-next this week with no reported issues" * tag 'usb-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits) usb: chipidea: host: fix disconnection detect issue usb: typec: tcpm: fix logbuffer index is wrong if _tcpm_log is re-entered typec: tcpm: Fix a msecs vs jiffies bug NFC: pn533: Fix wrong GFP flag usage usb: cdc_acm: Add quirk for Uniden UBC125 scanner staging/typec: fix tcpci_rt1711h build errors usb: typec: ucsi: Fix for incorrect status data issue usb: typec: ucsi: acpi: Workaround for cache mode issue acpi: Add helper for deactivating memory region usb: xhci: increase CRS timeout value usb: xhci: tegra: fix runtime PM error handling usb: xhci: remove the code build warning xhci: Fix kernel oops in trace_xhci_free_virt_device xhci: Fix perceived dead host due to runtime suspend race with event handler dwc2: gadget: Fix ISOC IN DDMA PID bitfield value calculation usb: gadget: dwc2: fix memory leak in gadget_init() usb: gadget: composite: fix delayed_status race condition when set_interface usb: dwc2: fix isoc split in transfer with no data usb: dwc2: alloc dma aligned buffer for isoc split in usb: dwc2: fix the incorrect bitmaps for the ports of multi_tt hub ...
Linus Torvalds
commited |
c2aee376cf | |
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Linus Torvalds
commited |
c350d6d1d7 | |
Pull parisc fixes and cleanups from Helge Deller: "Nothing exiting in this patchset, just - small cleanups of header files - default to 4 CPUs when building a SMP kernel - mark 16kB and 64kB page sizes broken - addition of the new io_pgetevents syscall" * 'parisc-4.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Build kernel without -ffunction-sections parisc: Reduce debug output in unwind code parisc: Wire up io_pgetevents syscall parisc: Default to 4 SMP CPUs parisc: Convert printk(KERN_LEVEL) to pr_lvl() parisc: Mark 16kB and 64kB page sizes BROKEN parisc: Drop struct sigaction from not exported header file
Linus Torvalds
commited |
883c9ab9eb | |
A smaller batch for the end of the week (let's see if I can keep the
weekly cadence going for once).
All medium-grade fixes here, nothing worrisome:
- Fixes for some fairly old bugs around SD card write-protect detection
and GPIO interrupt assignments on Davinci.
- Wifi module suspend fix for Hikey.
- Minor DT tweaks to fix inaccuracies for Amlogic platforms, on of
which solves booting with third-party u-boot.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A smaller batch for the end of the week (let's see if I can keep the
weekly cadence going for once).
All medium-grade fixes here, nothing worrisome:
- Fixes for some fairly old bugs around SD card write-protect
detection and GPIO interrupt assignments on Davinci.
- Wifi module suspend fix for Hikey.
- Minor DT tweaks to fix inaccuracies for Amlogic platforms, one
of which solves booting with third-party u-boot"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: dts: hikey960: Define wl1837 power capabilities
arm64: dts: hikey: Define wl1835 power capabilities
ARM64: dts: meson-gxl: fix Mali GPU compatible string
ARM64: dts: meson-axg: fix ethernet stability issue
ARM64: dts: meson-gx: fix ATF reserved memory region
ARM64: dts: meson-gxl-s905x-p212: Add phy-supply for usb0
ARM64: dts: meson: fix register ranges for SD/eMMC
ARM64: dts: meson: disable sd-uhs modes on the libretech-cc
ARM: dts: da850: Fix interrups property for gpio
ARM: davinci: board-da850-evm: fix WP pin polarity for MMC/SD
Linus Torvalds
commited |
08af78d7a5 | |
- introduce __diag_* macros and suppress -Wattribute-alias warnings from GCC 8 - fix stack protector test script for x86_64 - fix line number handling in Kconfig - document that '#' starts a comment in Kconfig - handle P_SYMBOL property in dump debugging of Kconfig - correct help message of LD_DEAD_CODE_DATA_ELIMINATION - fix occasional segmentation faults in Kconfig -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJbN450AAoJED2LAQed4NsGFdAP/0fc2NhkzQMvz1EBEc2n93LC FUXew75tsX2ZewssoLzb4Iepkb/mHU+fjhBaE65S+Xu2/6mNfId9a7HAtywvFyO2 ZUQPXHjMHnLEPRKuzQy34uCy9/wWCiqi8rpWUsOEohmNIcLaF0vMZf5Ifod7wIr7 pnix3b9Q+dY+l49TSsSv4MX7F9qs5fXRhEarcQ3jYEb3yRUEXgmli3hV1wRita/n tJhFDiIdJDeISDkgmHUuOhjFnv5Yf3WJTXi/ILZ2zvpGjjqNDAwxtyzGnPMShQEc fxk3/1nkg9h/ScVAaGavrYYmiiH8XsqWY2q6p52jTK3kD+yTXaVakPSmxw8UHImh aNWQutzMF8GYEsb+ld1ncsNrwfgd40mA25mEyb/ZPSw2IdNBrXtIVbw7XiBLi8eH recAlRN0MouzD7+sXafgtoKopqanQbB/rMqDO4ULfnVvZLWDmZVbfreCc+qrJtiJ mqydBMUVxrvB+qf5SHQ7WlDmXWHY1xQuxXzS0gRVGT14EsyD6yhC2D62pEHnB7uG zE1pGemOCzOlGY6nDAbtQVR1n5AAWEZYveZXUuFn+vuqR7ZtYxCFUFOS0u621zFI HMI9B81ifdNV2efT2VTVi6Tnnvn44sAXOYjaULX6566EyX0/mOL5CWZlTqn5SKOn PwNxc7ZeCylTbkZww2c4 =oABr -----END PGP SIGNATURE----- Merge tag 'kbuild-fixes-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - introduce __diag_* macros and suppress -Wattribute-alias warnings from GCC 8 - fix stack protector test script for x86_64 - fix line number handling in Kconfig - document that '#' starts a comment in Kconfig - handle P_SYMBOL property in dump debugging of Kconfig - correct help message of LD_DEAD_CODE_DATA_ELIMINATION - fix occasional segmentation faults in Kconfig * tag 'kbuild-fixes-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kconfig: loop boundary condition fix kbuild: reword help of LD_DEAD_CODE_DATA_ELIMINATION kconfig: handle P_SYMBOL in print_symbol() kconfig: document Kconfig source file comments kconfig: fix line numbers for if-entries in menu tree stack-protector: Fix test with 32-bit userland and CONFIG_64BIT=y powerpc: Remove -Wattribute-alias pragmas disable -Wattribute-alias warning for SYSCALL_DEFINEx() kbuild: add macro for controlling warnings to linux/compiler.h
Linus Torvalds
commited |
22d3e0c36e | |
Pull x86 fixes from Ingo Molnar: "The biggest diffstat comes from self-test updates, plus there's entry code fixes, 5-level paging related fixes, console debug output fixes, and misc fixes" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Clean up the printk()s in show_fault_oops() x86/mm: Drop unneeded __always_inline for p4d page table helpers x86/efi: Fix efi_call_phys_epilog() with CONFIG_X86_5LEVEL=y selftests/x86/sigreturn: Do minor cleanups selftests/x86/sigreturn/64: Fix spurious failures on AMD CPUs x86/entry/64/compat: Fix "x86/entry/64/compat: Preserve r8-r11 in int $0x80" x86/mm: Don't free P4D table when it is folded at runtime x86/entry/32: Add explicit 'l' instruction suffix x86/mm: Get rid of KERN_CONT in show_fault_oops()
Linus Torvalds
commited |
0fbc4aeabc | |
Pull perf fixes from Ingo Molnar:
"Tooling fixes mostly, plus a build warning fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
perf/core: Move inline keyword at the beginning of declaration
tools/headers: Pick up latest kernel ABIs
perf tools: Fix crash caused by accessing feat_ops[HEADER_LAST_FEATURE]
perf script: Fix crash because of missing evsel->priv
perf script: Add missing output fields in a hint
perf bench: Fix numa report output code
perf stat: Remove duplicate event counting
perf alias: Rebuild alias expression string to make it comparable
perf alias: Remove trailing newline when reading sysfs files
perf tools: Fix a clang 7.0 compilation error
tools include uapi: Synchronize bpf.h with the kernel
tools include uapi: Update if_link.h to pick IFLA_{BRPORT_ISOLATED,VXLAN_TTL_INHERIT}
tools include powerpc: Update arch/powerpc/include/uapi/asm/unistd.h copy to get 'rseq' syscall
perf tools: Update x86's syscall_64.tbl, adding 'io_pgetevents' and 'rseq'
tools headers uapi: Synchronize drm/drm.h
perf intel-pt: Fix packet decoding of CYC packets
perf tests: Add valid callback for parse-events test
perf tests: Add event parsing error handling to parse events test
perf report powerpc: Fix crash if callchain is empty
perf test session topology: Fix test on s390
...
Linus Torvalds
commited |
d7d5388679 | |
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Linus Torvalds
commited |
34a484d58c | |
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Linus Torvalds
commited |
e6e5bec43c | |
Two regression fixes, and a new syscall wire-up.
A fix for the recent conversion to time64_t in the powermac RTC routines, which
caused time to go backward.
Another fix for fallout from the split PMD PTL conversion.
Wire up the new io_pgetevents() syscall.
Thanks to:
Aneesh Kumar K.V, Arnd Bergmann, Breno Leitao, Mathieu Malaterre.
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Merge tag 'powerpc-4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Two regression fixes, and a new syscall wire-up:
- A fix for the recent conversion to time64_t in the powermac RTC
routines, which caused time to go backward.
- Another fix for fallout from the split PMD PTL conversion.
- Wire up the new io_pgetevents() syscall.
Thanks to: Aneesh Kumar K.V, Arnd Bergmann, Breno Leitao, Mathieu
Malaterre"
* tag 'powerpc-4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powermac: Fix rtc read/write functions
powerpc/mm/32: Fix pgtable_page_dtor call
powerpc: Wire up io_pgetevents
Linus Torvalds
commited |
1904148a36 | |
and fixes interrupt property for DA850 SoC GPIO as defined in device-tree. Both of these are not introduced with v4.18 merge but have existed prior. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJbNjeIAAoJEGFBu2jqvgRN3lgP+wbdjEoDTTss8H5Sdu1VSe8Z dDn1H4CCOsVqDW23Azu1WsL0WufRZx/fe8DayZ4y1AuLh3I1LvoI1KSEWipMxeub WmdYJ+jAwhXy45FqXnSvMnGJITzHruwr6qDMCysp0hR3aVXA4DhTKw95Tc2QBbZP RvhEV/t0tFeuMT138UIPQqecoWCdFaz24MU3ZPh+0NeLtmHLwZnRFWdSmieGMlx1 gQZAiMb6mkOzZ0u3YILNCFA8gMhm3WO2eJU8bVILDbuPpARMTR71VvuOjpHgBJz7 eqamjsHB+5epnxEUXcEuf3gAuED3fTY4+cMImMdSkVhfLZFbNx0eMiXDDEnrfE7e J869UGz7fH+2gxs1XHrlF45w5KgOPte3Am4x9plrlpvFxB874ZjCW3d8XoU6Yc2c WFJAtUHYWpAqwDRxZYHjFmbnHftaw4DtsnGXDjjQ8uv/Trls48SmCBQnyOcxQyQa THhJJiRG9TXoSY88N3UHSpfDby3UJE63KKvxYEqzwnrBNYsqQUcorjb24RZnuh5t 0pBYZs7BVIEyyQEQgOJ4hjGZ6XEue/nvT5WZaTP7kYeKUOg1RjRs7rCO8G5Uu5nt q1HEBp7EXdOV89swt5t1vQQQDHyJG0YO+hzHI10XUqSP+uR3hX1AWzli1CKZ9hAB 75hIihEhWRIk5HTgVlHo =AENA -----END PGP SIGNATURE----- Merge tag 'davinci-fixes-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes This fixes polarity of SD card write-protect pin on DA850 EVM and fixes interrupt property for DA850 SoC GPIO as defined in device-tree. Both of these are not introduced with v4.18 merge but have existed prior. * tag 'davinci-fixes-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: ARM: dts: da850: Fix interrups property for gpio ARM: davinci: board-da850-evm: fix WP pin polarity for MMC/SD Signed-off-by: Olof Johansson <olof@lixom.net> 
Olof Johansson
commited |
4ca2f0b945 | |
- Added power capabilities for the mmc host controller on the hikey and hikey960 boards to avoid broken wifi. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJbNUZNAAoJEAvIV27ZiWZcRy8P/1z1LnU8CaxaxJo2yD02pq1X EauFEMVOQP6zoV6+nrLRoMdZ8RSif4joOK5W+mv+9ZIkEeDZ7n5iL23ZNujcUYWH a+B2zJ6jNMmpnTHADsadQBCtkX+OLlDFqCMmspV/equMgJNIEd8gPQg07jYklZZs JG9Gb/ZvfILaX6/h3DfYiyc6+ILroxSdH1VgCfXVAA8umzDu5Sn6eakl1NbEYCTe Wx1vfP0jbaxwPwLB0V6VVV5O/ByykVbf13iNVQMLXGn9bYQzbJ0DCzhZxlXsr2iH Wrx1ur9oRaGCGsnPq2Koj0oy9mX1wfuDyEedN94SzQezAXUXiQh1yLr6RJitnSkP cE/UJgNbLOccpzC9/px8ff7igAfLfFVEoFKRYLXmNu45wL7FEiPxrgS4IW4z5IcS nXH8VBG8KYLWlurJsaHIvf4L4Iaga1Grz1fZrOISdUu9gOpSMrBrVy/u2DSJORWZ ZG2LCfELPl62XnsE7NGxAV3198ui0SOB75/bdU2emEBwjqB+d7ljrBhPoWrFYk1u EZ35wWxBwveGXYa7oiRZL7uo4mKHfKY1BAAPGqrK3Q91c+upMgx9+klkFZrRQt1f FcP5sOPPLUISSvz8jG9mL7SHB7VDWSuN7iV/sWtdz6ayi4WimTX4dR5HIDKiweAF IFKNuzJr09hEa+9kwH65 =mr1l -----END PGP SIGNATURE----- Merge tag 'hisi-fixes-for-4.18' of git://github.com/hisilicon/linux-hisi into fixes ARM64: hisi fixes for 4.18 - Added power capabilities for the mmc host controller on the hikey and hikey960 boards to avoid broken wifi. * tag 'hisi-fixes-for-4.18' of git://github.com/hisilicon/linux-hisi: arm64: dts: hikey960: Define wl1837 power capabilities arm64: dts: hikey: Define wl1835 power capabilities Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson
commited |
35911e01e5 | |
- minor 64-bit DT fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEe4dGDhaSf6n1v/EMWTcYmtP7xmUFAls0IokACgkQWTcYmtP7 xmVojRAAlrPjt5tAPCuvawitKLRH0ux90lncDtaAHGVhEPJhrEsvzHafB12JWLbE g5eMPAzMEOm03EI9z+Mfx/rh+IZadLPbVQsip5K6PwMa5/FeFuK5iv43VKyn2SKQ T3SGp5FZ4EHVFOzuOS9aK18q7aXgJZ9+K8zAbbY4Hv1QanADFQuk0EcCpBk3w/gD 81MaP5POFHCdvo206XG+ZaXmPfraxZeIa/wKkOR5WfE/Hlgv+hJ2t1SrXGn7YIGX JJR5Lt3TWCT++zGVMZhh6Kl+axQY9sHNRXGP9uheUd3feCnHl2XM2aFeQvodacyG Vqw/5q7JIXZV7j2xay0BvdnRxnmHyAIHyugwOImFkOgvBtfTuvBT1iTJk7BpkYTI of2PNuNFBSfLMywtyl43FRV3sLsnRFh3xxRKD7HfoE5ltry1D0pXUXuYWSjXlAaI wLNrafcCdikwdkSvY0PBgJLXBJzoc1+dyzhbkc3L0n86PONx5375u/2PlZlQM3PG DHTZjApirLnvcMW1Su7W7n95XwK7Ymxuk46MgePjwFdACXb0kdNRcmwKMYeqyi0M tghP9Umfgrl8JBfdQ+fgYc1y+if2dIgGyYhH3qH9RAwu5VRBjYbY9FTJnk3J1A8M jWL0hPV+njr7UYTZ4CHNL9JVbzOSr1aNu//gXsqUA2QSlsJG2KQ= =sKvq -----END PGP SIGNATURE----- Merge tag 'amlogic-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into fixes Amlogic fixes for v4.18-rc - minor 64-bit DT fixes * tag 'amlogic-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic: ARM64: dts: meson-gxl: fix Mali GPU compatible string ARM64: dts: meson-axg: fix ethernet stability issue ARM64: dts: meson-gx: fix ATF reserved memory region ARM64: dts: meson-gxl-s905x-p212: Add phy-supply for usb0 ARM64: dts: meson: fix register ranges for SD/eMMC ARM64: dts: meson: disable sd-uhs modes on the libretech-cc Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson
commited |
d2d369a961 | |
- The alternatives patching code uses flush_icache_range() which itself
uses alternatives. Change the code to use an unpatched variant of
cache maintenance
- Remove unnecessary ISBs from set_{pte,pmd,pud}
- perf: xgene_pmu: Fix IOB SLOW PMU parser error
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- The alternatives patching code uses flush_icache_range() which itself
uses alternatives. Change the code to use an unpatched variant of
cache maintenance
- Remove unnecessary ISBs from set_{pte,pmd,pud}
- perf: xgene_pmu: Fix IOB SLOW PMU parser error
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Remove unnecessary ISBs from set_{pte,pmd,pud}
arm64: Avoid flush_icache_range() in alternatives patching code
drivers/perf: xgene_pmu: Fix IOB SLOW PMU parser error
Linus Torvalds
commited |
0d55ec6f3e | |
Pull i2c fixes from Wolfram Sang: - a revert because of bugzilla #200045 (and some documentation about it) - another regression fix in the i2c-gpio driver - a leak fix for the i2c core * 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: gpio: initialize SCL to HIGH again i2c: smbus: kill memory leak on emulated and failed DMA SMBus xfers i2c: algos: bit: mention our experience about initial states Revert "i2c: algo-bit: init the bus to a known state"
Linus Torvalds
commited |
44813aa62a | |
-----BEGIN PGP SIGNATURE----- iQFHBAABCAAxFiEEydHwtzie9C7TfviiSn/eOAIR84sFAls2PxETHGlkcnlvbW92 QGdtYWlsLmNvbQAKCRBKf944AhHzi51OB/4yN29wPAiCFDeN87gTnkO2flNbATzH PCBMydy4nUSfUmnfaMZyMLo0xM6EXIxLte9kGt0VEQwJrw7cwK+IhkhhOQtbH2ER /oxul0nAfgEOp0kFzHY7iQzd1qppaxAYtfXLy/BdOsTbntHcHPvp619+JKiuJoXM XA2ABV/bdw21FMPq+kP4uyzQsPw/yTXAw47JlVe1PqsCE17Eyj3X8GaMXeTZo52z bbOzFJBxlOOHwJ2w6TM4uK6Pr/BgIF4QHDkcNfNzajtdzW9y9wAmVb2GrmkLnwMw rou6MgmbB76nUL82SWMMqSeqV1hHGW4iPqu8kpWekIbGOSZJ8a7FIbqo =qSQ6 -----END PGP SIGNATURE----- Merge tag 'ceph-for-4.18-rc3' of git://github.com/ceph/ceph-client Pull ceph fix from Ilya Dryomov: "A trivial dentry leak fix from Zheng" * tag 'ceph-for-4.18-rc3' of git://github.com/ceph/ceph-client: ceph: fix dentry leak in splice_dentry()
Linus Torvalds
commited |
7886953859 | |
As suggested by Nick Piggin it seems we can drop the -ffunction-sections compile flag, now that the kernel uses thin archives. Testing with 32- and 64-bit kernel showed no difference in kernel size. Suggested-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Helge Deller <deller@gmx.de> 
Helge Deller
commited |
24b6c22504 | |
This was introduced more than a decade ago when sg chaining was added, but we never really caught anything with it. The scatterlist entry size can be critical, since drivers allocate it, so remove the magic member. Recently it's been triggering allocation stalls and failures in NVMe. Tested-by: Jordan Glover <Golden_Miller83@protonmail.ch> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> 
Jens Axboe
commited |
9544bc5347 | |
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Linus Torvalds
commited |
cd993fc431 | |
- Fix the initialization time error handling in the recently added
Kryo cpufreq driver (Dan Carpenter).
- Fix up the recently added coverage of performance states in the
generic power domains (genpd) framework (Viresh Kumar).
- Add missing documentation of the new hwp_dynamic_boost sysfs knob
in the intel_pstate driver (Rafael Wysocki).
- Fix incorrect sysfs path in the intel_pstate driver documentation
(Rafael Wysocki).
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Merge tag 'pm-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix up recently added features (the Kryo cpufreq driver and
performance states coverage in the generic power domains framework),
add missing documentation for a recently added sysfs knob in the
intel_pstate driver and fix an error in its documentation.
Specifics:
- Fix the initialization time error handling in the recently added
Kryo cpufreq driver (Dan Carpenter).
- Fix up the recently added coverage of performance states in the
generic power domains (genpd) framework (Viresh Kumar).
- Add missing documentation of the new hwp_dynamic_boost sysfs knob
in the intel_pstate driver (Rafael Wysocki).
- Fix incorrect sysfs path in the intel_pstate driver documentation
(Rafael Wysocki)"
* tag 'pm-4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Documentation: intel_pstate: Describe hwp_dynamic_boost sysfs knob
Documentation: admin-guide: intel_pstate: Fix sysfs path
PM / Domains: Rename opp_node to np
PM / Domains: Fix return value of of_genpd_opp_to_performance_state()
cpufreq: qcom-kryo: Fix error handling in probe()
Linus Torvalds
commited |
5e4e8c55c9 | |
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Merge tag 'drm-fixes-2018-06-29' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Nothing too major this round:
- small set of mali-dp fixes
- single meson fix
- a bunch of amdgpu fixes (one makes non-4k page sizes not be a bad
experience)"
* tag 'drm-fixes-2018-06-29' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: release spinlock before committing updates to stream
drm/amdgpu:Support new VCN FW version naming convention
drm/amdgpu: fix UBSAN: Undefined behaviour for amdgpu_fence.c
drm/meson: Fix an un-handled error path in 'meson_drv_bind_master()'
drm/amdgpu: GPU vs CPU page size fixes in amdgpu_vm_bo_split_mapping
drm/amdgpu: Count disabled CRTCs in commit tail earlier
drm/mali-dp: Rectify the width and height passed to rotmem_required()
drm/arm/malidp: Preserve LAYER_FORMAT contents when setting format
drm: mali-dp: Enable Global SE interrupts mask for DP500
drm/arm/malidp: Ensure that the crtcs are shutdown before removing any encoder/connector
Linus Torvalds
commited |
48a3c64b46 | |
bio_clone_bioset(). Also fixes splitting bio that has integrity payload. - Three fixes related to properly validating DAX capabilities of a stacked DM device that will advertise DAX support. - Update DM writecache target to use 2-factor allocator arguments. Kees says this is the last related change for 4.18. - Fix DM zoned target to use GFP_NOIO to avoid triggering reclaim during IO submission (caught by lockdep). - Fix DM thinp to gracefully recover from running out of data space while a previous async discard completes (whereby freeing space). - Fix DM thinp's metadata transaction commit to avoid needless work. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJbNURXAAoJEMUj8QotnQNaPVYIAISzFYsSLEEYiGF5CDn2A07/ vd4TBIk7sAVQ/zouNGSNUHepoPJZR8E75SLO4lqZ214fyeYl9/48Za3dlyXeHldR ziCCYFyHKvKgfZpBpbO43HbZbWvcVplIAt+GhhXepHy9jJC7+XQzMOqGwcvK2pW4 qCOqLTLaTGdzx5UaoLCG2Yg3E1TrYH0kZei/WLRBGW12WAsCzqNqUsZ5TgeilxCt r/5ajPsXkcNjV9BrUNwY43J+WX8eKIuFKRSbnVdjHBEoVCeCwnP1R8WJnMm5/BTh KZpyYTlFsBZ+Gvzojt2XI80ttviXtSUoJJNZgze9JT2xR4jMfn4yFQr/odxJucE= =ZGTy -----END PGP SIGNATURE----- Merge tag 'for-4.18/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - Fix dm core to use more efficient bio_split() instead of bio_clone_bioset(). Also fixes splitting bio that has integrity payload. - Three fixes related to properly validating DAX capabilities of a stacked DM device that will advertise DAX support. - Update DM writecache target to use 2-factor allocator arguments. Kees says this is the last related change for 4.18. - Fix DM zoned target to use GFP_NOIO to avoid triggering reclaim during IO submission (caught by lockdep). - Fix DM thinp to gracefully recover from running out of data space while a previous async discard completes (whereby freeing space). - Fix DM thinp's metadata transaction commit to avoid needless work. * tag 'for-4.18/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm: prevent DAX mounts if not supported dax: check for QUEUE_FLAG_DAX in bdev_dax_supported() pmem: only set QUEUE_FLAG_DAX for fsdax mode dm thin: handle running out of data space vs concurrent discard dm raid: don't use 'const' in function return dm zoned: avoid triggering reclaim from inside dmz_map() dm writecache: use 2-factor allocator arguments dm thin metadata: remove needless work from __commit_transaction dm: use bio_split() when splitting out the already processed bio
Linus Torvalds
commited |
ff23908bb7 | |
Pull single NVMe fix from Christoph. * 'nvme-4.18' of git://git.infradead.org/nvme: nvme-rdma: fix possible double free of controller async event buffer
Jens Axboe
commited |
49f1c61071 | |
Fix the test that verifies whether bio_op(bio) represents a discard
or write zeroes operation. Compile-tested only.
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>
Fixes:
Bart Van Assche
authored and
Jens Axboe
commited |
fad2d4ef63 | |
Some devices have different queue limits depending on the type of IO. A classic case is SATA NCQ, where some commands can queue, but others cannot. If we have NCQ commands inflight and encounter a non-queueable command, the driver returns busy. Currently we attempt to dispatch more from the scheduler, if we were able to queue some commands. But for the case where we ended up stopping due to BUSY, we should not attempt to retrieve more from the scheduler. If we do, we can get into a situation where we attempt to queue a non-queueable command, get BUSY, then successfully retrieve more commands from that scheduler and queue those. This can repeat forever, starving the non-queuable command indefinitely. Fix this by NOT attempting to pull more commands from the scheduler, if we get a BUSY return. This should also be more optimal in terms of letting requests stay in the scheduler for as long as possible, if we get a BUSY due to the regular out-of-tags condition. Reviewed-by: Omar Sandoval <osandov@fb.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Jens Axboe
commited |
1f57f8d442 | |
io_pgetevents() will not change the signal mask. Mark it const to make it clear and to reduce the need for casts in user code. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Avi Kivity <avi@scylladb.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> [hch: reapply the patch that got incorrectly reverted] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
Avi Kivity
authored and
Linus Torvalds
commited |
2cd3ae2129 | |
The big aio poll revert broke various network protocols that don't
implement ->poll as a patch in the aio poll serie removed sock_no_poll
and made the common code handle this case.
Reported-by: syzbot+57727883dbad76db2ef0@syzkaller.appspotmail.com
Reported-by: syzbot+cdb0d3176b53d35ad454@syzkaller.appspotmail.com
Reported-by: syzbot+2c7e8f74f8b2571c87e8@syzkaller.appspotmail.com
Reported-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Fixes:
Christoph Hellwig
authored and
Linus Torvalds
commited |
e88958e636 | |
Merge fixups for the recent extenstion of the generic power domains (genpd) framework covering performance states. * pm-domains: PM / Domains: Rename opp_node to np PM / Domains: Fix return value of of_genpd_opp_to_performance_state() 
Rafael J. Wysocki
commited |
e27b4d4a7b | |
It seems that during the conversion from gpio* to gpiod*, the initial
state of SCL was wrongly switched to LOW. Fix it to be HIGH again.
Fixes:
Wolfram Sang
commited |
12b731dd46 | |
If DMA safe memory was allocated, but the subsequent I2C transfer
fails the memory is leaked. Plug this leak.
Fixes:
Peter Rosin
authored and
 Wolfram Sang
commited |
9aa613674f | |
So, if somebody wants to re-implement this in the future, we pinpoint to a problem case. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Wolfram Sang
commited |
2173ed0adc | |
This reverts commit
Wolfram Sang
commited |
2a2c8ee2d7 |