On Fri, Mar 4, 2022 at 12:38 PM wrote:
>
> From: Ira Weiny
>
> The function run_dax() was missing a prototype when compiling with
> warnings.
>
> Add bus.h to fix this.
>
Always include the warning and the compiler in the changelog. I
suspect you hit this with LLVM and not gcc?
super.c has no
On Fri, Mar 4, 2022 at 12:47 PM wrote:
>
> From: Ira Weiny
>
> struct dax_device has a member named ops which was undocumented.
>
> Add the kdoc.
>
Applied, but I fixed up the subject prefix to just "dax:" since this
is shared between the fs-dax and device-dax.
On Mon, Mar 7, 2022 at 9:27 PM kajoljain wrote:
>
> Hi Dan,
> Can you take this patch-set if it looks fine to you.
>
Pushed out to my libnvdimm-pending branch for a 0day confirmation
before heading over to linux-next.
On Wed, Mar 9, 2022 at 10:33 AM Jonathan Cameron
wrote:
>
> On Mon, 28 Feb 2022 18:49:17 -0800
> Dan Williams wrote:
>
> > Update CONFIG_PROVE_CXL_LOCKING to use the common device-core helpers
> > for device_lock validation.
> >
> > When CONFIG_PROVE_LOCKING is enabled and
On Wed, Mar 9, 2022 at 10:22 AM Jonathan Cameron
wrote:
>
> On Mon, 28 Feb 2022 18:49:06 -0800
> Dan Williams wrote:
>
> > In preparation for moving lockdep_mutex nested lock acquisition into the
> > core, remove the cxl_device_lock() wrapper, but preserve
> > cxl_lock_class() that will be used
On Wed, Mar 2, 2022 at 12:30 AM Muchun Song wrote:
>
> The only user (DAX) of range parameter of follow_invalidate_pte()
> is gone, it safe to remove the range paramter and make it static
> to simlify the code.
>
Looks good, I suspect this savings is still valid if the "just use
On Wed, Mar 2, 2022 at 12:30 AM Muchun Song wrote:
>
> Currently dax_mapping_entry_mkclean() fails to clean and write protect
> the pte entry within a DAX PMD entry during an *sync operation. This
> can result in data loss in the following sequence:
>
> 1) process A mmap write to DAX PMD,
On Wed, Mar 9, 2022 at 4:26 PM Dan Williams wrote:
>
> On Wed, Mar 2, 2022 at 12:29 AM Muchun Song wrote:
> >
> > The page_mkclean_one() is supposed to be used with the pfn that has a
> > associated struct page, but not all the pfns (e.g. DAX) have a struct
> > page. Introduce a new function
On Wed, Mar 2, 2022 at 12:29 AM Muchun Song wrote:
>
> The page_mkclean_one() is supposed to be used with the pfn that has a
> associated struct page, but not all the pfns (e.g. DAX) have a struct
> page. Introduce a new function pfn_mkclean_range() to cleans the PTEs
> (including PMDs) mapped
On Wed, Mar 2, 2022 at 12:29 AM Muchun Song wrote:
>
> The flush_cache_page() only remove a PAGE_SIZE sized range from the cache.
> However, it does not cover the full pages in a THP except a head page.
> Replace it with flush_cache_range() to fix this issue.
This needs to clarify that this is
On Wed, Mar 2, 2022 at 12:29 AM Muchun Song wrote:
>
> The flush_cache_page() only remove a PAGE_SIZE sized range from the cache.
> However, it does not cover the full pages in a THP except a head page.
> Replace it with flush_cache_range() to fix this issue. At least, no
> problems were found
On Wed, Mar 9, 2022 at 10:27 AM Jonathan Cameron
wrote:
>
> On Mon, 28 Feb 2022 18:49:11 -0800
> Dan Williams wrote:
>
> > MAX_LOCKDEP_SUBCLASSES limits the depth of the CXL topology that can be
> > validated by lockdep. Given that the cxl_test topology is already at
> > this limit collapse some
On Wed, Mar 9, 2022 at 10:19 AM Jonathan Cameron
wrote:
>
> On Mon, 28 Feb 2022 18:49:00 -0800
> Dan Williams wrote:
>
> > In preparation for upleveling device_lock() lockdep annotation support into
> > the core, provide a helper to retrieve the lock class. This lock_class
> > will be used with
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