[PATCH] vfs: Remove second variable named error in __dentry_path (no replies)
In commit 232d2d60aa5469bb097f55728f65146bd49c1d25 Author: Waiman Long <Waiman.Long@hp.com> Date: Mon Sep 9 12:18:13 2013 -0400 dcache: Translating dentry into pathname without taking...
View Articlelinux-next: manual merge of the imx-mxs tree with the arm tree (no replies)
Hi Shawn, Today's linux-next merge of the imx-mxs tree got conflicts in arch/arm/boot/dts/Makefile, arch/arm/boot/dts/imx6dl-hummingboard.dts, arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi and...
View Article[PATCH] Add HID's to hid-microsoft driver of Surface Type/Touch Cover 2 to...
The below patch fixes a bug 64811 (https://bugzilla.kernel.org/show_bug.cgi?id=64811) of the Microsoft Surface Type/Touch cover 2 devices being detected as a multitouch device. The fix adds the HID of...
View ArticleDirty deleted files cause pointless I/O storms (unless truncated first) (no...
The code below runs quickly for a few iterations, and then it slows down and the whole system becomes laggy for far too long. Removing the sync_file_range call results in no I/O being performed at all...
View Article[PATCH v8 0/6] MCS Lock: MCS lock code cleanup and optimizations (no replies)
This update to the patch series reorganize the order of the patches by fixing MCS lock barrier leakage first before making standalone MCS lock and unlock functions. We also changed the hooks to...
View Article[PATCH v8 1/6] MCS Lock: Barrier corrections (no replies)
From: Waiman Long <Waiman.Long@hp.com> This patch corrects the way memory barriers are used in the MCS lock with smp_load_acquire and smp_store_release fucnction. It removes ones that are not...
View Article[PATCH v8 5/6] MCS Lock: allow architectures to hook in to contended (no...
From: Will Deacon <will.deacon@arm.com> When contended, architectures may be able to reduce the polling overhead in ways which aren't expressible using a simple relax() primitive. This patch...
View Article[PATCH v8 6/6] MCS Lock: Allow architecture specific asm files to be used for...
From: Peter Zijlstra <peterz@infradead.org> This patch allows each architecture to add its specific assembly optimized arch_mcs_spin_lock_contended and arch_mcs_spinlock_uncontended for MCS lock...
View Article[PATCH v8 3/6] MCS Lock: optimizations and extra comments (no replies)
From: Jason Low <jason.low2@hp.com> Remove unnecessary operation to assign locked status to 1 if lock is acquired without contention as this value will not be checked by lock holder again and...
View Article[PATCH v8 2/6] MCS Lock: Restructure the MCS lock defines and locking (no...
We will need the MCS lock code for doing optimistic spinning for rwsem and queue rwlock. Extracting the MCS code from mutex.c and put into its own file allow us to reuse this code easily. Note that...
View Article[PATCH v8 4/6] MCS Lock: Move mcs_lock/unlock function into its own (no replies)
From: Waiman Long <Waiman.Long@hp.com> Create a new mcs_spinlock.c file to contain the mcs_spin_lock() and mcs_spin_unlock() function. Signed-off-by: Waiman Long <Waiman.Long@hp.com>...
View ArticleBacklight driver for MacBook Air 6,1 and 6,2 (no replies)
Hi Andrew and CCs I've put together (rather quickly) a driver for directly handling the backlight driver chip (LM8550) on the 2013 MacBook Air. It is needed to work around a bug (likely in firmware)...
View Articlelinux-next: manual merge of the sound-asoc tree with the tree (no replies)
Hi all, Today's linux-next merge of the sound-asoc tree got a conflict in sound/soc/soc-compress.c between commit 2a99ef0fdb35 ("ASoC: compress: Add suport for DPCM into compressed audio") from the...
View Article[PATCH v4] ACPI: Fix acpi_evaluate_object() return value check (no replies)
Since acpi_evaluate_object() returns acpi_status and not plain int, ACPI_FAILURE() should be used for checking its return value. Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by:...
View ArticleRe: [PATCH v2] mm/zswap: Check all pool pages instead of one pool pages (1...
Thanks for your review. 2014/1/21 Minchan Kim <minchan@kernel.org>: > Hello Cai, > > On Mon, Jan 20, 2014 at 03:50:18PM +0800, Cai Liu wrote: >> zswap can support multiple...
View Article[PATCH] cpufreq: Align all CPUs to the same frequency if using shared clock...
Some SMP systems want to make all the possible CPUs share the clock, if the CPUs init frequencies aren't the same, we need to align all the CPUs to the same frequency while CPUs registing to avoid...
View ArticleDID YOU GET OUR E-MAIL? (no replies)
You were among the lucky beneficiary selected to receive the sum of £850,000.00GBP (Eight Hundred & Fifty Thousand Pounds Sterling's) as charity donations/aid from the Coca-Cola Foundation to...
View ArticleDeadlock between cpu_hotplug_begin and cpu_add_remove_lock (2 replies)
This arises out of a report from a tester that offlining a CPU never finished on a system they were testing. This was on a POWER8 running a 3.10.x kernel, but the issue is still present in mainline...
View Articlemutual exculsion between clk_prepare_enable /clk_disable_unprepare and...
Hi, Mike We met a issue between clk_prepare_enable /clk_disable_unprepare and clk_set_parent. As we know, clk preprare/unprare will grab preprare lock, and clk enable/disable will grab enable lock....
View Article[PATCH Resend] PM: Remove unnecessary !! (no replies)
Double ! or !! are normally required to get 0 or 1 out of a expression. A comparision always returns 0 or 1 and hence there is no need to apply double ! over it again. Signed-off-by: Viresh Kumar...
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