On Wed, May 30 2018 at 10:46P -0400,
Mikulas Patocka wrote:
>
>
> On Wed, 30 May 2018, Mike Snitzer wrote:
>
> > > > Fine I'll deal with it. reordering the fields eliminated holes in the
> > > > structure and reduced struct members spanning cache lines.
> > >
> > > And what about this?
> > >
On Wed, May 30 2018 at 10:09P -0400,
Mikulas Patocka wrote:
> And what about this?
> #define WC_MODE_PMEM(wc)((wc)->pmem_mode)
>
> The code that I had just allowed the compiler to optimize out
> persistent-memory code if we have DM_WRITECACHE_ONLY_SSD defined - and you
Hello,
I would like to know about the Experimental message of Filesystem DAX.
DAX enabled. Warning: EXPERIMENTAL, use at your own risk
AFAIK, the final issue of Filesystem DAX is met
On Wed, May 30, 2018 at 1:13 AM, Jan Kara wrote:
> On Tue 29-05-18 18:38:41, Dan Williams wrote:
>> On Wed, May 23, 2018 at 1:40 AM, Jan Kara wrote:
>> > On Tue 22-05-18 07:39:57, Dan Williams wrote:
>> >> In support of enabling memory_failure() handling for filesystem-dax
>> >> mappings, set ->i
On Wed, May 30, 2018 at 8:58 AM, Dan Williams wrote:
> On Wed, May 30, 2018 at 6:07 AM, Mikulas Patocka wrote:
>>
>>
>> On Mon, 28 May 2018, Dan Williams wrote:
>>
>>> On Mon, May 28, 2018 at 6:32 AM, Mikulas Patocka
>>> wrote:
>>> >
>>> >
>>> > On Sat, 26 May 2018, Dan Williams wrote:
>>> >
>>
Hi Dan,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v4.17-rc7 next-20180530]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits
On Wed, May 30, 2018 at 06:31:42PM +0100, Robin Murphy wrote:
> On 30/05/18 18:00, Mikulas Patocka wrote:
> > Hi
> >
> > I'd like to ask what's the purpose of dmb(osh) in the function
> > arch_wb_cache_pmem in arch/arm64/mm/flush.c?
> >
> > void arch_wb_cache_pmem(void *addr, size_t size)
> > {
>
On 30/05/18 18:00, Mikulas Patocka wrote:
Hi
I'd like to ask what's the purpose of dmb(osh) in the function
arch_wb_cache_pmem in arch/arm64/mm/flush.c?
void arch_wb_cache_pmem(void *addr, size_t size)
{
/* Ensure order against any prior non-cacheable writes */
dmb(osh);
Hi
I'd like to ask what's the purpose of dmb(osh) in the function
arch_wb_cache_pmem in arch/arm64/mm/flush.c?
void arch_wb_cache_pmem(void *addr, size_t size)
{
/* Ensure order against any prior non-cacheable writes */
dmb(osh);
__clean_dcache_area_pop(addr, size);
}
Th
On Wed, May 30, 2018 at 6:07 AM, Mikulas Patocka wrote:
>
>
> On Mon, 28 May 2018, Dan Williams wrote:
>
>> On Mon, May 28, 2018 at 6:32 AM, Mikulas Patocka wrote:
>> >
>> >
>> > On Sat, 26 May 2018, Dan Williams wrote:
>> >
>> >> On Sat, May 26, 2018 at 12:02 AM, Mikulas Patocka
>> >> wrote:
>
On Wed, 30 May 2018, Mike Snitzer wrote:
> On Wed, May 30 2018 at 10:09am -0400,
> Mikulas Patocka wrote:
>
> >
> >
> > On Wed, 30 May 2018, Mike Snitzer wrote:
> >
> > > On Wed, May 30 2018 at 9:33am -0400,
> > > Mikulas Patocka wrote:
> > >
> > > >
> > > >
> > > > On Wed, 30 May 201
On Wed, May 30 2018 at 10:09am -0400,
Mikulas Patocka wrote:
>
>
> On Wed, 30 May 2018, Mike Snitzer wrote:
>
> > On Wed, May 30 2018 at 9:33am -0400,
> > Mikulas Patocka wrote:
> >
> > >
> > >
> > > On Wed, 30 May 2018, Mike Snitzer wrote:
> > >
> > > > On Wed, May 30 2018 at 9:21am -0
On Wed, 30 May 2018, Mike Snitzer wrote:
> On Wed, May 30 2018 at 9:33am -0400,
> Mikulas Patocka wrote:
>
> >
> >
> > On Wed, 30 May 2018, Mike Snitzer wrote:
> >
> > > On Wed, May 30 2018 at 9:21am -0400,
> > > Mikulas Patocka wrote:
> > >
> > > >
> > > >
> > > > On Wed, 30 May 201
On Wed, May 30 2018 at 9:33am -0400,
Mikulas Patocka wrote:
>
>
> On Wed, 30 May 2018, Mike Snitzer wrote:
>
> > On Wed, May 30 2018 at 9:21am -0400,
> > Mikulas Patocka wrote:
> >
> > >
> > >
> > > On Wed, 30 May 2018, Mike Snitzer wrote:
> > >
> > > > That is really great news, can yo
Jeff Moyer writes:
> Dan Williams writes:
>
>> When I read your patch I came away with the impression that ARM had
>> not added memcpy_flushcache() yet and you were working around that
>> fact. Now that I look, ARM *does* define memcpy_flushcache() and
>> you're avoiding it. You use memcpy+arch_
On Wed, 30 May 2018, Jeff Moyer wrote:
> Dan Williams writes:
>
> > When I read your patch I came away with the impression that ARM had
> > not added memcpy_flushcache() yet and you were working around that
> > fact. Now that I look, ARM *does* define memcpy_flushcache() and
> > you're avoidi
Dan Williams writes:
> When I read your patch I came away with the impression that ARM had
> not added memcpy_flushcache() yet and you were working around that
> fact. Now that I look, ARM *does* define memcpy_flushcache() and
> you're avoiding it. You use memcpy+arch_wb_pmem where arch_wb_pmem o
On Wed, 30 May 2018, Mike Snitzer wrote:
> On Wed, May 30 2018 at 9:21am -0400,
> Mikulas Patocka wrote:
>
> >
> >
> > On Wed, 30 May 2018, Mike Snitzer wrote:
> >
> > > That is really great news, can you submit an incremental patch that
> > > layers ontop of the linux-dm.git 'dm-4.18' br
On Wed, May 30 2018 at 9:21am -0400,
Mikulas Patocka wrote:
>
>
> On Wed, 30 May 2018, Mike Snitzer wrote:
>
> > That is really great news, can you submit an incremental patch that
> > layers ontop of the linux-dm.git 'dm-4.18' branch?
> >
> > Thanks,
> > Mike
>
> I've sent the current vers
On Wed, 30 May 2018, Mike Snitzer wrote:
> That is really great news, can you submit an incremental patch that
> layers ontop of the linux-dm.git 'dm-4.18' branch?
>
> Thanks,
> Mike
I've sent the current version that I have. I fixed the bugs that were
reported here (missing DAX, dm_bufio_cl
On Wed, May 30 2018 at 9:07am -0400,
Mikulas Patocka wrote:
>
>
> On Mon, 28 May 2018, Dan Williams wrote:
>
> > On Mon, May 28, 2018 at 6:32 AM, Mikulas Patocka
> > wrote:
> > >
> > > I measured it (with nvme backing store) and late cache flushing has 12%
> > > better performance than eage
On Mon, 28 May 2018, Dan Williams wrote:
> On Mon, May 28, 2018 at 6:32 AM, Mikulas Patocka wrote:
> >
> >
> > On Sat, 26 May 2018, Dan Williams wrote:
> >
> >> On Sat, May 26, 2018 at 12:02 AM, Mikulas Patocka
> >> wrote:
> >> >
> >> >
> >> > On Fri, 25 May 2018, Dan Williams wrote:
> >> >
On Tue 29-05-18 18:38:41, Dan Williams wrote:
> On Wed, May 23, 2018 at 1:40 AM, Jan Kara wrote:
> > On Tue 22-05-18 07:39:57, Dan Williams wrote:
> >> In support of enabling memory_failure() handling for filesystem-dax
> >> mappings, set ->index to the pgoff of the page. The rmap implementation
>
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