[PATCH v4 5/6] arch: introduce memremap_cache() and memremap_wt()
Existing users of ioremap_cache() are mapping memory that is known in advance to not have i/o side effects. These users are forced to cast away the __iomem annotation, or otherwise neglect to fix the...
View Article[PATCH v4 6/6] arch, x86: pmem api for ensuring durability of persistent...
From: Ross Zwisler <ross.zwisler@linux.intel.com> Based on an original patch by Ross Zwisler [1]. Writes to persistent memory have the potential to be posted to cpu cache, cpu write buffers, and...
View Article[PATCH v4 4/6] devm: fix ioremap_cache() usage
Provide devm_ioremap_cache() and fix up devm_ioremap_resource() to actually provide cacheable mappings. On archs that implement ioremap_cache() devm_ioremap_resource() is always silently falling back...
View ArticleRe: [PATCH v2] powerpc: support sizes greater than an unsigned long
On Thu, 2015-06-11 at 19:10 +0300, Cristian Stoica wrote: > On 06/11/2015 06:38 PM, Greg KH wrote: > > On Thu, Jun 11, 2015 at 05:42:00PM +0300, Cristian Stoica wrote: > > > >...
View Article[PATCH v2] selinux: reduce locking overhead in inode_free_security()
The inode_free_security() function just took the superblock's isec_lock before checking and trying to remove the inode security struct from the linked list. In many cases, the list was empty and so...
View ArticleRe: High performance HAProxy
Hi Willy, Many thanks for your time and all the suggestions. This looks great. I imagine we are going to try those and experiment for the next few days. I guess we'll hold off on the process binding...
View ArticleRe: [RFC PATCH v2] arm DMA: Fix allocation from CMA for coherent DMA
On Thu, Jun 11, 2015 at 4:26 PM, Catalin Marinas <catalin.marinas@arm.com> wrote: > On Wed, Jun 10, 2015 at 09:34:43PM +0200, Lorenzo Nava wrote: >> On Wed, Jun 10, 2015 at 6:28 PM,...
View ArticleRe: [PATCH 11/18] seqcount: Introduce raw_write_seqcount_barrier()
On Thu, Jun 11, 2015 at 08:33:41AM -0700, Paul E. McKenney wrote: > On Thu, Jun 11, 2015 at 02:46:47PM +0200, Peter Zijlstra wrote: > > Introduce raw_write_seqcount_barrier(), a new construct...
View ArticleRe: [rtc-linux] RE: [PATCH V3 1/4] mfd: da9062: DA9062 MFD core driver
Hi, On 11/06/2015 at 09:27:45 +0000, Opensource [Steve Twiss] wrote : > > Thanks for replying so quickly. > > > I'm still not particularly happy with this. Can yo speak to your H/W >...
View ArticleRe: [PATCH v2] MAINTAINERS: ARM64: EXYNOS: Extend entry for ARM64 DTS
Hi Krzysztof, On Sat, Jun 6, 2015 at 3:02 AM, Krzysztof Kozlowski <k.kozlowski@samsung.com> wrote: > Extend the Exynos entry to ARM64 device tree sources. > > Cc: Catalin Marinas...
View ArticleRe: [PATCH 07/12] x86/virt/guest/xen: Remove use of pgd_list from the Xen...
On 06/12, Ingo Molnar wrote: > > * Linus Torvalds <torvalds@linux-foundation.org> wrote: > > > So I think the only issue is that ->mm can become NULL when the thread group >...
View ArticleRE: [PATCH 1/1] perf,tools: add time out to force stop endless mmap processing
> > On 6/12/15 12:19 PM, Liang, Kan wrote: > >>> [perf]$ sudo ./perf record -e instructions:pp --pid 14560 Reading > >>> /proc/14560/maps cost 13.12690599 s ^C[ perf...
View ArticleRe: [PATCH] staging: comedi: replace ENOSYS by proper error codes
On Fri, Jun 12, 2015 at 10:20:38PM +0200, julien.dehee@gmail.com wrote: > From: Julien Dehee <julien.dehee@gmail.com> > > comedi/comedi_fops.c > use ENODEV following open manual >...
View ArticleRe: [PATCH v7 06/10] trace: Add lock-free tracing_map
On Mon, 8 Jun 2015 16:32:05 -0500 Tom Zanussi <tom.zanussi@linux.intel.com> wrote: > +/** > + * tracing_map_read_sum - Return the value of a tracing_map_elt's sum > + * @elt: The...
View ArticleRe: [PATCH v7 06/10] trace: Add lock-free tracing_map
On Mon, 8 Jun 2015 16:32:05 -0500 Tom Zanussi <tom.zanussi@linux.intel.com> wrote: > +/** > + * tracing_map_init - Allocate and clear a map's tracing_map_elts > + * @map: The...
View ArticleRe: [PATCH 1/1] perf,tools: add time out to force stop endless mmap processing
On 6/12/15 2:39 PM, Liang, Kan wrote: > Here are the test results. > Please note that I get "synthesized threads took..." after the test case exit. > It means both way have the same issue....
View ArticleRe: [PATCH 07/12] x86/virt/guest/xen: Remove use of pgd_list from the Xen...
On 06/12, Oleg Nesterov wrote: > > On 06/12, Ingo Molnar wrote: > > > > * Linus Torvalds <torvalds@linux-foundation.org> wrote: > > > > > So I think the only...
View ArticleRe: [PATCH non-pretimeout 3/7] ARM64: add SBSA Generic Watchdog device node...
On 06/10/2015 12:47 PM, fu.wei@linaro.org wrote: > + reg = <0x0 0xe0bb0000 0 0x10000>, > + <0x0 0xe0bc0000 0 0x10000>; I think the sizes are wrong. They should be 0x1000 instead of...
View ArticleRe: [PATCH] staging: comedi: replace ENOSYS by proper error codes
On Fri, 12 Jun 2015 13:43:27 -0700 Greg KH <gregkh@linuxfoundation.org> wrote: > On Fri, Jun 12, 2015 at 10:20:38PM +0200, julien.dehee@gmail.com wrote: > > From: Julien Dehee...
View ArticleRe: [PATCH 17/20] [SCSI] mpt3sas: Use alloc_ordered_workqueue() API instead...
On 06/12/2015 05:42 AM, Sreekanth Reddy wrote: .... > +#if defined(alloc_ordered_workqueue) > + ioc->firmware_event_thread = alloc_ordered_workqueue( > + ioc->firmware_event_name,...
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