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2020-10-20netsec: ignore 'phy-mode' device property on ACPI systemsArd Biesheuvel
Since commit bbc4d71d63549bc ("net: phy: realtek: fix rtl8211e rx/tx delay config"), the Realtek PHY driver will override any TX/RX delay set by hardware straps if the phy-mode device property does not match. This is causing problems on SynQuacer based platforms (the only SoC that incorporates the netsec hardware), since many were built with this Realtek PHY, and shipped with firmware that defines the phy-mode as 'rgmii', even though the PHY is configured for TX and RX delay using pull-ups. From the driver's perspective, we should not make any assumptions in the general case that the PHY hardware does not require any initial configuration. However, the situation is slightly different for ACPI boot, since it implies rich firmware with AML abstractions to handle hardware details that are not exposed to the OS. So in the ACPI case, it is reasonable to assume that the PHY comes up in the right mode, regardless of whether the mode is set by straps, by boot time firmware or by AML executed by the ACPI interpreter. So let's ignore the 'phy-mode' device property when probing the netsec driver in ACPI mode, and hardcode the mode to PHY_INTERFACE_MODE_NA, which should work with any PHY provided that it is configured by the time the driver attaches to it. While at it, document that omitting the mode is permitted for DT probing as well, by setting the phy-mode DT property to the empty string. Fixes: 533dd11a12f6 ("net: socionext: Add Synquacer NetSec driver") Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20201018163625.2392-1-ardb@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20bpf, doc: Fix patchwork URL to point to kernel.org instanceDaniel Borkmann
Follow-up on ebb034b15bfa ("bpf: Migrate from patchwork.ozlabs.org to patchwork.kernel.org.") in order to fix up the patchwork URL (Q) in the MAINTAINERS file for BPF subsystem. While at it, also add the official website (W) entry. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/f73ae01c7e6f9cf0a3890f2ca988a8e69190c50b.1603223852.git.daniel@iogearbox.net
2020-10-20io_uring: unify fsize with def->work_flagsJens Axboe
This one was missed in the earlier conversion, should be included like any of the other IO identity flags. Make sure we restore to RLIM_INIFITY when dropping the personality again. Fixes: 98447d65b4a7 ("io_uring: move io identity items into separate struct") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-10-20Merge tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarrayLinus Torvalds
Pull XArray updates from Matthew Wilcox: - Fix the test suite after introduction of the local_lock - Fix a bug in the IDA spotted by Coverity - Change the API that allows the workingset code to delete a node - Fix xas_reload() when dealing with entries that occupy multiple indices - Add a few more tests to the test suite - Fix an unsigned int being shifted into an unsigned long * tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray: XArray: Fix xas_create_range for ranges above 4 billion radix-tree: fix the comment of radix_tree_next_slot() XArray: Fix xas_reload for multi-index entries XArray: Add private interface for workingset node deletion XArray: Fix xas_for_each_conflict documentation XArray: Test marked multiorder iterations XArray: Test two more things about xa_cmpxchg ida: Free allocated bitmap in error path radix tree test suite: Fix compilation
2020-10-20gfs2: Add fields for statfs info in struct gfs2_log_header_hostAbhi Das
And read these in __get_log_header() from the log header. Also make gfs2_statfs_change_out() non-static so it can be used outside of super.c Signed-off-by: Abhi Das <adas@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
2020-10-20gfs2: Ignore subsequent errors after withdraw in rgrp_go_syncAndreas Gruenbacher
Once a withdraw has occurred, ignore errors that are the consequence of the withdraw. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
2020-10-20gfs2: Eliminate gl_vmBob Peterson
The gfs2_glock structure has a gl_vm member, introduced in commit 7005c3e4ae428 ("GFS2: Use range based functions for rgrp sync/invalidation"), which stores the location of resource groups within their address space. This structure is in a union with iopen glock specific fields. It was introduced because at unmount time, the resource group objects were destroyed before flushing out any pending resource group glock work, and flushing out such work could require flushing / truncating the address space. Since commit b3422cacdd7e6 ("gfs2: Rework how rgrp buffer_heads are managed"), any pending resource group glock work is flushed out before destroying the resource group objects. So the resource group objects will now always exist in rgrp_go_sync and rgrp_go_inval, and we now simply compute the gl_vm values where needed instead of caching them. This also eliminates the union. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
2020-10-20gfs2: Only access gl_delete for iopen glocksBob Peterson
Only initialize gl_delete for iopen glocks, but more importantly, only access it for iopen glocks in flush_delete_work: flush_delete_work is called for different types of glocks including rgrp glocks, and those use gl_vm which is in a union with gl_delete. Without this fix, we'll end up clobbering gl_vm, which results in general memory corruption. Fixes: a0e3cc65fa29 ("gfs2: Turn gl_delete into a delayed work") Cc: stable@vger.kernel.org # v5.8+ Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
2020-10-20gfs2: Fix comments to glock_hash_walkBob Peterson
The comments before function glock_hash_walk had the wrong name and an extra parameter. This simply fixes the comments. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
2020-10-21drm/ttm: fix eviction valuable range check.Dave Airlie
This was adding size to start, but pfn and start are in pages, so it should be using num_pages. Not sure this fixes anything in the real world, just noticed it during refactoring. Signed-off-by: Dave Airlie <airlied@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20201019222257.1684769-2-airlied@gmail.com
2020-10-21Merge tag 'drm-misc-next-fixes-2020-10-20' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-next Two patches to prevent out-of-bands accesses on fonts buffers Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20201020141445.4jisqylfbusdnzge@gilmour
2020-10-20Merge tag 'nfs-for-5.10-1' of git://git.linux-nfs.org/projects/anna/linux-nfsLinus Torvalds
Pull NFS client updates from Anna Schumaker: "Stable Fixes: - Wait for stateid updates after CLOSE/OPEN_DOWNGRADE # v5.4+ - Fix nfs_path in case of a rename retry - Support EXCHID4_FLAG_SUPP_FENCE_OPS v4.2 EXCHANGE_ID flag New features and improvements: - Replace dprintk() calls with tracepoints - Make cache consistency bitmap dynamic - Added support for the NFS v4.2 READ_PLUS operation - Improvements to net namespace uniquifier Other bugfixes and cleanups: - Remove redundant clnt pointer - Don't update timeout values on connection resets - Remove redundant tracepoints - Various cleanups to comments - Fix oops when trying to use copy_file_range with v4.0 source server - Improvements to flexfiles mirrors - Add missing 'local_lock=posix' mount option" * tag 'nfs-for-5.10-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (55 commits) NFSv4.2: support EXCHGID4_FLAG_SUPP_FENCE_OPS 4.2 EXCHANGE_ID flag NFSv4: Fix up RCU annotations for struct nfs_netns_client NFS: Only reference user namespace from nfs4idmap struct instead of cred nfs: add missing "posix" local_lock constant table definition NFSv4: Use the net namespace uniquifier if it is set NFSv4: Clean up initialisation of uniquified client id strings NFS: Decode a full READ_PLUS reply SUNRPC: Add an xdr_align_data() function NFS: Add READ_PLUS hole segment decoding SUNRPC: Add the ability to expand holes in data pages SUNRPC: Split out _shift_data_right_tail() SUNRPC: Split out xdr_realign_pages() from xdr_align_pages() NFS: Add READ_PLUS data segment support NFS: Use xdr_page_pos() in NFSv4 decode_getacl() SUNRPC: Implement a xdr_page_pos() function SUNRPC: Split out a function for setting current page NFS: fix nfs_path in case of a rename retry fs: nfs: return per memcg count for xattr shrinkers NFSv4: Wait for stateid updates after CLOSE/OPEN_DOWNGRADE nfs: remove incorrect fallthrough label ...
2020-10-20Merge tag 'io_uring-5.10-2020-10-20' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull io_uring updates from Jens Axboe: "A mix of fixes and a few stragglers. In detail: - Revert the bogus __read_mostly that we discussed for the initial pull request. - Fix a merge window regression with fixed file registration error path handling. - Fix io-wq numa node affinities. - Series abstracting out an io_identity struct, making it both easier to see what the personality items are, and also easier to to adopt more. Use this to cover audit logging. - Fix for read-ahead disabled block condition in async buffered reads, and using single page read-ahead to unify what generic_file_buffer_read() path is used. - Series for REQ_F_COMP_LOCKED fix and removal of it (Pavel) - Poll fix (Pavel)" * tag 'io_uring-5.10-2020-10-20' of git://git.kernel.dk/linux-block: (21 commits) io_uring: use blk_queue_nowait() to check if NOWAIT supported mm: use limited read-ahead to satisfy read mm: mark async iocb read as NOWAIT once some data has been copied io_uring: fix double poll mask init io-wq: inherit audit loginuid and sessionid io_uring: use percpu counters to track inflight requests io_uring: assign new io_identity for task if members have changed io_uring: store io_identity in io_uring_task io_uring: COW io_identity on mismatch io_uring: move io identity items into separate struct io_uring: rely solely on work flags to determine personality. io_uring: pass required context in as flags io-wq: assign NUMA node locality if appropriate io_uring: fix error path cleanup in io_sqe_files_register() Revert "io_uring: mark io_uring_fops/io_op_defs as __read_mostly" io_uring: fix REQ_F_COMP_LOCKED by killing it io_uring: dig out COMP_LOCK from deep call chain io_uring: don't put a poll req under spinlock io_uring: don't unnecessarily clear F_LINK_TIMEOUT io_uring: don't set COMP_LOCKED if won't put ...
2020-10-20PCI: vmd: Create IRQ allocation helperJon Derrick
Move the IRQ allocation and SRCU initialization code to a new helper. No functional changes. Link: https://lore.kernel.org/r/20200728194945.14126-5-jonathan.derrick@intel.com Signed-off-by: Jon Derrick <jonathan.derrick@intel.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
2020-10-20PCI: vmd: Create IRQ Domain configuration helperJon Derrick
Move the IRQ and MSI Domain configuration code to new helpers. No functional changes. Link: https://lore.kernel.org/r/20200728194945.14126-4-jonathan.derrick@intel.com Signed-off-by: Jon Derrick <jonathan.derrick@intel.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
2020-10-20PCI: vmd: Create bus offset configuration helperJon Derrick
Move the bus offset configuration discovery code to a new helper. Modify the bus offset 2-bit decode switch to have a 0 case and a default error case, just in case the field is expanded in future hardware. Link: https://lore.kernel.org/r/20200728194945.14126-3-jonathan.derrick@intel.com Signed-off-by: Jon Derrick <jonathan.derrick@intel.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
2020-10-20PCI: vmd: Create physical offset helperJon Derrick
Move the guest-passthrough physical offset discovery code to a new helper. No functional changes. Link: https://lore.kernel.org/r/20200728194945.14126-2-jonathan.derrick@intel.com Signed-off-by: Jon Derrick <jonathan.derrick@intel.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
2020-10-20Merge branches 'clk-ingenic', 'clk-at91', 'clk-kconfig', 'clk-imx', ↵Stephen Boyd
'clk-qcom', 'clk-prima2' and 'clk-bcm' into clk-next - Support qcom SM8150/SM8250 video and display clks - Change how qcom's display port clks work * clk-ingenic: clk: ingenic: Respect CLK_SET_RATE_PARENT in .round_rate clk: ingenic: Don't tag custom clocks with CLK_SET_RATE_PARENT clk: ingenic: Don't use CLK_SET_RATE_GATE for PLL clk: ingenic: Use readl_poll_timeout instead of custom loop clk: ingenic: Use to_clk_info() macro for all clocks * clk-at91: clk: at91: sam9x60: support only two programmable clocks clk: at91: clk-sam9x60-pll: remove unused variable clk: at91: clk-main: update key before writing AT91_CKGR_MOR clk: at91: remove the checking of parent_name * clk-kconfig: clk: Restrict CLK_HSDK to ARC_SOC_HSDK * clk-imx: clk: imx8mq: Fix usdhc parents order clk: imx: imx21: Remove clock driver clk: imx: gate2: Fix a few typos clk: imx: Fix and update kerneldoc clk: imx: fix i.MX7D peripheral clk mux flags clk: imx: fix composite peripheral flags clk: imx: Correct the memrepair clock on imx8mp clk: imx: Correct the root clk of media ldb on imx8mp clk: imx: vf610: Add CRC clock clk: imx: Explicitly include bits.h clk: imx8qxp: Support building i.MX8QXP clock driver as module clk: imx8m: Support module build clk: imx: Add clock configuration for ARMv7 platforms clk: imx: Support building i.MX common clock driver as module clk: composite: Export clk_hw_register_composite() clk: imx6sl: Use BIT(x) to avoid shifting signed 32-bit value by 31 bits * clk-qcom: clk: qcom: gdsc: Keep RETAIN_FF bit set if gdsc is already on clk: qcom: Add display clock controller driver for SM8150 and SM8250 dt-bindings: clock: add QCOM SM8150 and SM8250 display clock bindings clk: qcom: add video clock controller driver for SM8250 clk: qcom: add video clock controller driver for SM8150 dt-bindings: clock: add SM8250 QCOM video clock bindings dt-bindings: clock: add SM8150 QCOM video clock bindings dt-bindings: clock: combine qcom,sdm845-videocc and qcom,sc7180-videocc clk: qcom: gcc-msm8994: Add missing clocks, resets and GDSCs clk/qcom: fix spelling typo clk: qcom: gcc-sdm660: Fix wrong parent_map clk: qcom: dispcc: Update DP clk ops for phy design clk: qcom: gcc-msm8939: remove defined but not used variables clk: qcom: ipq8074: make pcie0_rchng_clk_src static * clk-prima2: clk: clk-prima2: fix return value check in prima2_clk_init() * clk-bcm: clk: bcm2835: add missing release if devm_clk_hw_register fails clk: bcm: rpi: Add register to control pixel bvb clk
2020-10-20Merge branches 'clk-semicolon', 'clk-axi-clkgen', 'clk-qoriq', 'clk-baikal', ↵Stephen Boyd
'clk-const' and 'clk-mmp2' into clk-next * clk-semicolon: clk: meson: use semicolons rather than commas to separate statements clk: mvebu: ap80x-cpu: use semicolons rather than commas to separate statements clk: uniphier: use semicolons rather than commas to separate statements * clk-axi-clkgen: clk: axi-clkgen: Set power bits for fractional mode clk: axi-clkgen: Add support for fractional dividers * clk-qoriq: clk: qoriq: modify MAX_PLL_DIV to 32 * clk-baikal: clk: baikal-t1: Mark Ethernet PLL as critical * clk-const: clk: pxa: Constify static struct clk_ops * clk-mmp2: clk: mmp2: Fix the display clock divider base
2020-10-20Merge branches 'clk-simplify', 'clk-ti', 'clk-tegra', 'clk-rockchip' and ↵Stephen Boyd
'clk-mediatek' into clk-next - Small non-critical fixes for TI clk driver - Support Mediatek MT8167 clks * clk-simplify: clk: mediatek: fix platform_no_drv_owner.cocci warnings clk: mediatek: mt7629: simplify the return expression of mtk_infrasys_init clk: mediatek: mt6797: simplify the return expression of mtk_infrasys_init * clk-ti: clk: ti: dra7: add missing clkctrl register for SHA2 instance clk: ti: clockdomain: fix static checker warning clk: ti: autoidle: add checks against NULL pointer reference clk: keystone: sci-clk: add 10% slack to set_rate clk: keystone: sci-clk: cache results of last query rate operation clk: keystone: sci-clk: fix parsing assigned-clock data during probe * clk-tegra: clk: tegra: Drop !provider check in tegra210_clk_emc_set_rate() * clk-rockchip: clk: rockchip: Initialize hw to error to avoid undefined behavior clk: rockchip: rk3399: Support module build clk: rockchip: fix the clk config to support module build clk: rockchip: Export some clock common APIs for module drivers clk: rockchip: Export rockchip_register_softrst() clk: rockchip: Export rockchip_clk_register_ddrclk() clk: rockchip: Use clk_hw_register_composite instead of clk_register_composite calls clk: rockchip: rk3308: drop unused mux_timer_src_p * clk-mediatek: clk: mediatek: Add MT8167 clock support dt-bindings: clock: mediatek: add bindings for MT8167 clocks clk: mediatek: add UART0 clock support
2020-10-20Merge branches 'clk-renesas', 'clk-amlogic', 'clk-allwinner', 'clk-samsung', ↵Stephen Boyd
'clk-doc' and 'clk-unused' into clk-next - Remove various unused variables in clk drivers * clk-renesas: clk: renesas: rcar-gen3: Update description for RZ/G2 clk: renesas: cpg-mssr: Add support for R-Car V3U clk: renesas: cpg-mssr: Add register pointers into struct cpg_mssr_priv clk: renesas: cpg-mssr: Use enum clk_reg_layout instead of a boolean flag dt-bindings: clock: renesas,cpg-mssr: Document r8a779a0 dt-bindings: clock: Add r8a779a0 CPG Core Clock Definitions dt-bindings: power: Add r8a779a0 SYSC power domain definitions clk: renesas: rcar-gen2: Rename vsp1-(sy|rt) clocks to vsp(s|r) clk: renesas: r8a7742: Add clk entry for VSPR * clk-amlogic: clk: meson: make shipped controller configurable clk: meson: g12a: mark fclk_div2 as critical clk: meson: axg-audio: fix g12a tdmout sclk inverter clk: meson: axg-audio: separate axg and g12a regmap tables clk: meson: add sclk-ws driver * clk-allwinner: clk: sunxi-ng: sun8i: r40: Use sigma delta modulation for audio PLL clk: sunxi-ng: add support for the Allwinner A100 CCU dt-bindings: clk: sunxi-ccu: add compatible string for A100 CCU and R-CCU * clk-samsung: clk: s2mps11: initialize driver via module_platform_driver clk: samsung: Use cached clk_hws instead of __clk_lookup() calls clk: samsung: exynos5420/5250: Add IDs to the CPU parent clk definitions clk: samsung: Add clk ID definitions for the CPU parent clocks clk: samsung: exynos5420: Avoid __clk_lookup() calls when enabling clocks clk: samsung: exynos5420: Add definition of clock ID for mout_sw_aclk_g3d clk: samsung: Keep top BPLL mux on Exynos542x enabled * clk-doc: clk: davinci: add missing kerneldoc clk: fixed: add missing kerneldoc * clk-unused: clk: socfpga: agilex: Remove unused variable 'cntr_mux' clk: si5341: drop unused 'err' variable clk: mmp: pxa1928: drop unused 'clk' variable clk: at91: drop unused at91sam9g45_pcr_layout
2020-10-20Merge tag 'for-v5.10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply Pull power supply and reset updates from Sebastian Reichel: "Power-supply core: - add wireless type - properly document current direction Battery/charger driver changes: - new fuel-gauge/charger driver for RN5T618/RN5T619 - new charger driver for BQ25980, BQ25975 and BQ25960 - bq27xxx-battery: add support for TI bq34z100 - gpio-charger: convert to GPIO descriptors - gpio-charger: add optional support for charge current limiting - max17040: add support for max17041, max17043, max17044 - max17040: add support for max17048, max17049, max17058, max17059 - smb347-charger: add DT support - smb247-charger: add SMB345 and SMB358 support - simple-battery: add temperature properties - lots of minor fixes, cleanups and DT binding YAML conversions Reset drivers: - ocelot: Add support for Sparx5" * tag 'for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (81 commits) power: reset: POWER_RESET_OCELOT_RESET should depend on Ocelot or Sparx5 power: supply: bq25980: Fix uninitialized wd_reg_val and overrun power: supply: ltc2941: Fix ptr to enum cast power: supply: test-power: revise parameter printing to use sprintf power: supply: charger-manager: fix incorrect check on charging_duration_ms power: supply: max17040: Fix ptr to enum cast power: supply: bq25980: Fix uninitialized wd_reg_val power: supply: bq25980: remove redundant zero check on ret power: reset: ocelot: Add support for Sparx5 dt-bindings: reset: ocelot: Add Sparx5 support power: supply: sbs-battery: keep error code when get_property() fails power: supply: bq25980: Add support for the BQ259xx family dt-binding: bq25980: Add the bq25980 flash charger power: supply: fix spelling mistake "unprecise" -> "imprecise" power: supply: test_power: add missing newlines when printing parameters by sysfs power: supply: pm2301: drop duplicated i2c_device_id power: supply: charger-manager: drop unused charger assignment power: supply: rt9455: skip 'struct acpi_device_id' when !CONFIG_ACPI power: supply: goldfish: skip 'struct acpi_device_id' when !CONFIG_ACPI power: supply: bq25890: skip 'struct acpi_device_id' when !CONFIG_ACPI ...
2020-10-20PM: runtime: Fix typo in pm_runtime_set_active() helper commentBean Huo
This patch is to fix typo in the comment of helper pm_runtime_set_active(). Signed-off-by: Bean Huo <beanhuo@micron.com> [ rjw: Subject edit ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-10-20PM: domains: Fix build error for genpd notifiersUlf Hansson
The __raw_notifier_call_chain() was recently removed and replaced with raw_notifier_call_chain_robust(). Recent changes to genpd didn't take that into account, which causes a build error. Let's fix this by converting to the raw_notifier_call_chain_robust() in genpd. Reported-by: kernel test robot <lkp@intel.com> Reported-by: Lina Iyer <ilina@codeaurora.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-10-20nfc: remove unneeded breakTom Rix
A break is not needed if it is preceded by a return Signed-off-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/20201019191500.9264-1-trix@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20net: remove unneeded breakTom Rix
A break is not needed if it is preceded by a return or goto Signed-off-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/20201019172607.31622-1-trix@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20SUNRPC: fix copying of multiple pages in gss_read_proxy_verf()Martijn de Gouw
When the passed token is longer than 4032 bytes, the remaining part of the token must be copied from the rqstp->rq_arg.pages. But the copy must make sure it happens in a consecutive way. With the existing code, the first memcpy copies 'length' bytes from argv->iobase, but since the header is in front, this never fills the whole first page of in_token->pages. The mecpy in the loop copies the following bytes, but starts writing at the next page of in_token->pages. This leaves the last bytes of page 0 unwritten. Symptoms were that users with many groups were not able to access NFS exports, when using Active Directory as the KDC. Signed-off-by: Martijn de Gouw <martijn.de.gouw@prodrive-technologies.com> Fixes: 5866efa8cbfb "SUNRPC: Fix svcauth_gss_proxy_init()" Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-10-20sunrpc: raise kernel RPC channel buffer sizeRoberto Bergantinos Corpas
Its possible that using AUTH_SYS and mountd manage-gids option a user may hit the 8k RPC channel buffer limit. This have been observed on field, causing unanswered RPCs on clients after mountd fails to write on channel : rpc.mountd[11231]: auth_unix_gid: error writing reply Userland nfs-utils uses a buffer size of 32k (RPC_CHAN_BUF_SIZE), so lets match those two. Signed-off-by: Roberto Bergantinos Corpas <rbergant@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-10-20Merge tag 'drm-next-2020-10-19' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm fixes from Dave Airlie: "Some fixes queued up already for i915 and amdgpu, I've also included the fix for the clang warning you've seen. i915: - set all unused color plane offsets to ~0xfff again (Ville) - fix TGL DKL PHY DP vswing handling (Ville) amdgpu: - DCN clang warning fix - eDP fix - BACO fix - kernel documentation fixes - SMU7 mclk fix - VCN1 hw bug workaround amdkfd: - kvfree vs kfree fix" * tag 'drm-next-2020-10-19' of git://anongit.freedesktop.org/drm/drm: drm/amd/display: Fix incorrect dsc force enable logic drm/amdkfd: Use kvfree in destroy_crat_image drm/amdgpu: vcn and jpeg ring synchronization drm/amd/pm: increase mclk switch threshold to 200 us docs: amdgpu: fix a warning when building the documentation drm/amd/display: kernel-doc: document force_timing_sync drm/amdgpu/swsmu: init the baco mutex in early_init drm/amd/display: Fix module load hangs when connected to an eDP drm/i915: Set all unused color plane offsets to ~0xfff again drm/i915: Fix TGL DKL PHY DP vswing handling
2020-10-20cifs: make const array static, makes object smallerColin Ian King
Don't populate const array smb3_create_tag_posix on the stack but instead make it static. Makes the object code smaller by 50 bytes. Before: text data bss dec hex filename 150184 47167 0 197351 302e7 fs/cifs/smb2pdu.o After: text data bss dec hex filename 150070 47231 0 197301 302b5 fs/cifs/smb2pdu.o (gcc version 10.2.0) Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2020-10-20SMB3.1.1: Fix ids returned in POSIX query dirSteve French
We were setting the uid/gid to the default in each dir entry in the parsing of the POSIX query dir response, rather than attempting to map the user and group SIDs returned by the server to well known SIDs (or upcall if not found). CC: Stable <stable@vger.kernel.org> Reviewed-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2020-10-20smb3: add dynamic trace point to trace when credits obtainedSteve French
SMB3 crediting is used for flow control, and it can be useful to trace for problem determination how many credits were acquired and for which operation. Here is an example ("trace-cmd record -e *add_credits"): cifsd-9522    [010] ....  5995.202712: smb3_add_credits: server=localhost current_mid=0x12 credits=373 credits_to_add=10 cifsd-9522    [010] ....  5995.204040: smb3_add_credits: server=localhost current_mid=0x15 credits=400 credits_to_add=30 Reviewed-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2020-10-20Merge tag 'iommu-fix-v5.10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fix from Joerg Roedel: "Fix a build regression with !CONFIG_IOMMU_API" * tag 'iommu-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/vt-d: Don't dereference iommu_device if IOMMU_API is not built
2020-10-20clk: imx8mq: Fix usdhc parents orderAbel Vesa
According to the latest RM (see Table 5-1. Clock Root Table), both usdhc root clocks have the parent order as follows: 000 - 25M_REF_CLK 001 - SYSTEM_PLL1_DIV2 010 - SYSTEM_PLL1_CLK 011 - SYSTEM_PLL2_DIV2 100 - SYSTEM_PLL3_CLK 101 - SYSTEM_PLL1_DIV3 110 - AUDIO_PLL2_CLK 111 - SYSTEM_PLL1_DIV8 So the audio_pll2_out and sys3_pll_out have to be swapped. Fixes: b80522040cd3 ("clk: imx: Add clock driver for i.MX8MQ CCM") Signed-off-by: Abel Vesa <abel.vesa@nxp.com> Reported-by: Cosmin Stefan Stoica <cosmin.stoica@nxp.com> Link: https://lore.kernel.org/r/1602753944-30757-1-git-send-email-abel.vesa@nxp.com Reviewed-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-10-20clk: qcom: gdsc: Keep RETAIN_FF bit set if gdsc is already onStephen Boyd
If the GDSC is enabled out of boot but doesn't have the retain ff bit set we will get confusing results where the registers that are powered by the GDSC lose their contents on the first power off of the GDSC but thereafter they retain their contents. This is because gdsc_init() fails to make sure the RETAIN_FF bit is set when it probes the GDSC the first time and thus powering off the GDSC causes the register contents to be reset. We do set the RETAIN_FF bit the next time we power on the GDSC, see gdsc_enable(), so that subsequent GDSC power off's don't lose register contents state. Forcibly set the bit at device probe time so that the kernel's assumed view of the GDSC is consistent with the state of the hardware. This fixes a problem where the audio PLL doesn't work on sc7180 when the bootloader leaves the lpass_core_hm GDSC enabled at boot (e.g. to make a noise) but critically doesn't set the RETAIN_FF bit. Cc: Douglas Anderson <dianders@chromium.org> Cc: Taniya Das <tdas@codeaurora.org> Cc: Rajendra Nayak <rnayak@codeaurora.org> Fixes: 173722995cdb ("clk: qcom: gdsc: Add support to enable retention of GSDCR") Signed-off-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20201017020137.1251319-1-sboyd@kernel.org Reviewed-by: Taniya Das <tdas@codeaurora.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Tested-by: Douglas Anderson <dianders@chromium.org>
2020-10-20Merge tag 'for-linus-5.10b-rc1b-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull more xen updates from Juergen Gross: - A single patch to fix the Xen security issue XSA-331 (malicious guests can DoS dom0 by triggering NULL-pointer dereferences or access to stale data). - A larger series to fix the Xen security issue XSA-332 (malicious guests can DoS dom0 by sending events at high frequency leading to dom0's vcpus being busy in IRQ handling for elongated times). * tag 'for-linus-5.10b-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/events: block rogue events for some time xen/events: defer eoi in case of excessive number of events xen/events: use a common cpu hotplug hook for event channels xen/events: switch user event channels to lateeoi model xen/pciback: use lateeoi irq binding xen/pvcallsback: use lateeoi irq binding xen/scsiback: use lateeoi irq binding xen/netback: use lateeoi irq binding xen/blkback: use lateeoi irq binding xen/events: add a new "late EOI" evtchn framework xen/events: fix race in evtchn_fifo_unmask() xen/events: add a proper barrier to 2-level uevent unmasking xen/events: avoid removing an event channel while handling it
2020-10-20Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-armLinus Torvalds
Pull ARM updates from Russell King: - handle inexact watchpoint addresses (Douglas Anderson) - decompressor serial debug cleanups (Linus Walleij) - update L2 cache prefetch bits (Guillaume Tucker) - add text offset and malloc size to the decompressor kexec data * tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: add malloc size to decompressor kexec size structure ARM: add TEXT_OFFSET to decompressor kexec image structure ARM: 9007/1: l2c: fix prefetch bits init in L2X0_AUX_CTRL using DT values ARM: 9010/1: uncompress: Print the location of appended DTB ARM: 9009/1: uncompress: Enable debug in head.S ARM: 9008/1: uncompress: Drop excess whitespace print ARM: 9006/1: uncompress: Wait for ready and busy in debug prints ARM: 9005/1: debug: Select flow control for all debug UARTs ARM: 9004/1: debug: Split waituart to CTS and TXRDY ARM: 9003/1: uncompress: Delete unused debug macros ARM: 8997/2: hw_breakpoint: Handle inexact watchpoint addresses
2020-10-20vfio iommu type1: Fix memory leak in vfio_iommu_type1_pin_pagesXiaoyang Xu
pfn is not added to pfn_list when vfio_add_to_pfn_list fails. vfio_unpin_page_external will exit directly without calling vfio_iova_put_vfio_pfn. This will lead to a memory leak. Fixes: a54eb55045ae ("vfio iommu type1: Add support for mediated devices") Signed-off-by: Xiaoyang Xu <xuxiaoyang2@huawei.com> [aw: simplified logic, add Fixes] Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2020-10-20Merge tag 'arc-5.10-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC updates from Vineet Gupta: "The bulk of ARC pull request is removal of EZChip NPS platform which was suffering from constant bitrot. In recent years EZChip has gone though multiple successive acquisitions and I guess things and people move on. I would like to take this opportunity to recognize and thank all those good folks (Gilad, Noam, Ofer...) for contributing major bits to ARC port (SMP, Big Endian). Summary: - drop support for EZChip NPS platform - misc other fixes" * tag 'arc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: arc: include/asm: fix typos of "themselves" ARC: SMP: fix typo and use "come up" instead of "comeup" ARC: [dts] fix the errors detected by dtbs_check arc: plat-hsdk: fix kconfig dependency warning when !RESET_CONTROLLER ARC: [plat-eznps]: Drop support for EZChip NPS platform
2020-10-20PCI: v3-semi: Remove unneeded breakTom Rix
A break is not needed if it is preceded by a return Link: https://lore.kernel.org/r/20201019190249.7825-1-trix@redhat.com Signed-off-by: Tom Rix <trix@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2020-10-21kbuild: Use uname for LINUX_COMPILE_HOST detectionChris Down
`hostname` may not be present on some systems as it's not mandated by POSIX/SUSv4. This isn't just a theoretical problem: on Arch Linux, `hostname` is provided by `inetutils`, which isn't part of the base distribution. ./scripts/mkcompile_h: line 38: hostname: command not found Use `uname -n` instead, which is more likely to be available (and mandated by standards). Signed-off-by: Chris Down <chris@chrisdown.name> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-10-21kbuild: Only add -fno-var-tracking-assignments for old GCC versionsMark Wielaard
Some old GCC versions between 4.5.0 and 4.9.1 might miscompile code with -fvar-tracking-assingments (which is enabled by default with -g -O2). Commit 2062afb4f804 ("Fix gcc-4.9.0 miscompilation of load_balance() in scheduler") added -fno-var-tracking-assignments unconditionally to work around this. But newer versions of GCC no longer have this bug, so only add it for versions of GCC before 5.0. This allows various tools such as a perf probe or gdb debuggers or systemtap to resolve variable locations using dwarf locations in more code. Signed-off-by: Mark Wielaard <mark@klomp.org> Acked-by: Ian Rogers <irogers@google.com> Reviewed-by: Andi Kleen <andi@firstfloor.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-10-21kbuild: remove leftover comment for filechk utilityRasmus Villemoes
After commit 43fee2b23895 ("kbuild: do not redirect the first prerequisite for filechk"), the rule is no longer automatically passed $< as stdin, so remove the stale comment. Fixes: 43fee2b23895 ("kbuild: do not redirect the first prerequisite for filechk") Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-10-21treewide: remove DISABLE_LTOSami Tolvanen
This change removes all instances of DISABLE_LTO from Makefiles, as they are currently unused, and the preferred method of disabling LTO is to filter out the flags instead. Note added by Masahiro Yamada: DISABLE_LTO was added as preparation for GCC LTO, but GCC LTO was not pulled into the mainline. (https://lkml.org/lkml/2014/4/8/272) Suggested-by: Kees Cook <keescook@chromium.org> Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-10-20selftests/timens: Add a test for futex()Andrei Vagin
Output on success: 1..2 ok 1 futex with the 0 clockid ok 2 futex with the 1 clockid # Totals: pass:2 fail:0 xfail:0 xpass:0 skip:0 error:0 Signed-off-by: Andrei Vagin <avagin@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20201015160020.293748-2-avagin@gmail.com
2020-10-20futex: Adjust absolute futex timeouts with per time namespace offsetAndrei Vagin
For all commands except FUTEX_WAIT, the timeout is interpreted as an absolute value. This absolute value is inside the task's time namespace and has to be converted to the host's time. Fixes: 5a590f35add9 ("posix-clocks: Wire up clock_gettime() with timens offsets") Reported-by: Hans van der Laan <j.h.vanderlaan@student.utwente.nl> Signed-off-by: Andrei Vagin <avagin@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20201015160020.293748-1-avagin@gmail.com
2020-10-20arm64: spectre-v2: Favour CPU-specific mitigation at EL2Will Deacon
Spectre-v2 can be mitigated on Falkor CPUs either by calling into firmware or by issuing a magic, CPU-specific sequence of branches. Although the latter is faster, the size of the code sequence means that it cannot be used in the EL2 vectors, and so there is a need for both mitigations to co-exist in order to achieve optimal performance. Change the mitigation selection logic for Spectre-v2 so that the CPU-specific mitigation is used only when the firmware mitigation is also available, rather than when a firmware mitigation is unavailable. Cc: Marc Zyngier <maz@kernel.org> Signed-off-by: Will Deacon <will@kernel.org>
2020-10-20block: remove unused members for io_contextYufen Yu
After removing blk-sq code, there is no user of nr_batch_requests and last_waited in kernel. Signed-off-by: Yufen Yu <yuyufen@huawei.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-10-20blk-mq: remove the calling of local_memory_node()Xianting Tian
We don't need to check whether the node is memoryless numa node before calling allocator interface. SLUB(and SLAB,SLOB) relies on the page allocator to pick a node. Page allocator should deal with memoryless nodes just fine. It has zonelists constructed for each possible nodes. And it will automatically fall back into a node which is closest to the requested node. As long as __GFP_THISNODE is not enforced of course. The code comments of kmem_cache_alloc_node() of SLAB also showed this: * Fallback to other node is possible if __GFP_THISNODE is not set. blk-mq code doesn't set __GFP_THISNODE, so we can remove the calling of local_memory_node(). Signed-off-by: Xianting Tian <tian.xianting@h3c.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-10-20powerpc/64s: Remove TM from Power10 featuresJordan Niethe
ISA v3.1 removes transactional memory and hence it should not be present in cpu_features or cpu_user_features2. Remove CPU_FTR_TM_COMP from CPU_FTRS_POWER10. Remove PPC_FEATURE2_HTM_COMP and PPC_FEATURE2_HTM_NOSC_COMP from COMMON_USER2_POWER10. Fixes: a3ea40d5c736 ("powerpc: Add POWER10 architected mode") Signed-off-by: Jordan Niethe <jniethe5@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200827035529.900-1-jniethe5@gmail.com
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