Le 23/05/2023 à 11:31, Naveen N Rao a écrit :
> Christophe Leroy wrote:
>>
>> That's better, but still more time than original implementation:
>>
>> +20% to activate function tracer (was +40% with your RFC)
>> +21% to activate nop tracer (was +24% with your RFC)
>>
>> perf record (without strict
Hi,
On Wed, May 24, 2023 at 6:38 AM Petr Mladek wrote:
>
> On Fri 2023-05-19 10:18:36, Douglas Anderson wrote:
> > Do a search and replace of:
> > - NMI_WATCHDOG_ENABLED => WATCHDOG_HARDLOCKUP_ENABLED
> > - SOFT_WATCHDOG_ENABLED => WATCHDOG_SOFTOCKUP_ENABLED
> > - watchdog_nmi_ =>
On 25.05.23 17:01:01, Bjorn Helgaas wrote:
> On Thu, May 25, 2023 at 11:29:58PM +0200, Robert Richter wrote:
> > eOn 24.05.23 16:32:35, Bjorn Helgaas wrote:
> > > On Tue, May 23, 2023 at 06:22:13PM -0500, Terry Bowman wrote:
> > > > From: Robert Richter
> > > >
> > > > In Restricted CXL Device
On Thu, May 25, 2023 at 11:29:58PM +0200, Robert Richter wrote:
> eOn 24.05.23 16:32:35, Bjorn Helgaas wrote:
> > On Tue, May 23, 2023 at 06:22:13PM -0500, Terry Bowman wrote:
> > > From: Robert Richter
> > >
> > > In Restricted CXL Device (RCD) mode a CXL device is exposed as an
> > > RCiEP,
eOn 24.05.23 16:32:35, Bjorn Helgaas wrote:
> On Tue, May 23, 2023 at 06:22:13PM -0500, Terry Bowman wrote:
> > From: Robert Richter
> >
> > In Restricted CXL Device (RCD) mode a CXL device is exposed as an
> > RCiEP, but CXL downstream and upstream ports are not enumerated and
> > not visible
Hi Uwe,
On Thu, 25 May 2023 22:36:40 +0200
Uwe Kleine-König wrote:
> After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
> call-back type"), all drivers being converted to .probe_new() and then
> 03c835f498b5 ("i2c: Switch .probe() to not take an id parameter") convert
> back to
On Thu, May 25, 2023 at 01:38:54PM -0700, Vishal Moola wrote:
> On Thu, May 25, 2023 at 1:20 PM Mike Rapoport wrote:
> >
> > On Thu, May 25, 2023 at 10:00:23AM -0700, Vishal Moola wrote:
> > > On Thu, May 25, 2023 at 1:56 AM Mike Rapoport wrote:
> > > >
> > > > Hi,
> > > >
> > > > On Mon, May
After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
03c835f498b5 ("i2c: Switch .probe() to not take an id parameter")
convert back to (the new) .probe() to be able to eventually drop
.probe_new() from struct
On Thu, May 25, 2023 at 1:26 PM Mike Rapoport wrote:
>
> On Thu, May 25, 2023 at 11:04:28AM -0700, Vishal Moola wrote:
> > On Thu, May 25, 2023 at 2:10 AM Mike Rapoport wrote:
> > > > +
> > > > +static inline struct ptdesc *ptdesc_alloc(gfp_t gfp, unsigned int
> > > > order)
> > > > +{
> > > >
On Thu, May 25, 2023 at 1:20 PM Mike Rapoport wrote:
>
> On Thu, May 25, 2023 at 10:00:23AM -0700, Vishal Moola wrote:
> > On Thu, May 25, 2023 at 1:56 AM Mike Rapoport wrote:
> > >
> > > Hi,
> > >
> > > On Mon, May 01, 2023 at 12:27:56PM -0700, Vishal Moola (Oracle) wrote:
> > > > No folio
After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
03c835f498b5 ("i2c: Switch .probe() to not take an id parameter") convert
back to (the new) .probe() to be able to eventually drop .probe_new() from
struct
On Thu, May 25, 2023 at 11:04:28AM -0700, Vishal Moola wrote:
> On Thu, May 25, 2023 at 2:10 AM Mike Rapoport wrote:
> > > +
> > > +static inline struct ptdesc *ptdesc_alloc(gfp_t gfp, unsigned int order)
> > > +{
> > > + struct page *page = alloc_pages(gfp | __GFP_COMP, order);
> > > +
> > >
On Thu, May 25, 2023 at 10:00:23AM -0700, Vishal Moola wrote:
> On Thu, May 25, 2023 at 1:56 AM Mike Rapoport wrote:
> >
> > Hi,
> >
> > On Mon, May 01, 2023 at 12:27:56PM -0700, Vishal Moola (Oracle) wrote:
> > > No folio equivalents for page type operations have been defined, so
> > > define
Hi,
On Thu, May 25, 2023 at 9:27 AM Petr Mladek wrote:
>
> On Fri 2023-05-19 10:18:38, Douglas Anderson wrote:
> > Implement a hardlockup detector that doesn't doesn't need any extra
> > arch-specific support code to detect lockups. Instead of using
> > something arch-specific we will use the
On 5/24/23 02:29, David Rientjes wrote:
On Tue, 23 May 2023, Vlastimil Babka wrote:
As discussed at LSF/MM [1] [2] and with no objections raised there,
deprecate the SLAB allocator. Rename the user-visible option so that
users with CONFIG_SLAB=y get a new prompt with explanation during make
On Thu, May 25, 2023 at 2:19 AM Mike Rapoport wrote:
>
> On Mon, May 01, 2023 at 12:28:08PM -0700, Vishal Moola (Oracle) wrote:
> > Creates ptdesc_pte_ctor(), ptdesc_pmd_ctor(), ptdesc_pte_dtor(), and
> > ptdesc_pmd_dtor() and make the original pgtable constructor/destructors
> > wrappers.
>
> I
On Thu, May 25, 2023 at 2:10 AM Mike Rapoport wrote:
>
> On Mon, May 01, 2023 at 12:28:00PM -0700, Vishal Moola (Oracle) wrote:
> > Introduce utility functions setting the foundation for ptdescs. These
> > will also assist in the splitting out of ptdesc from struct page.
> >
> > ptdesc_alloc() is
On Thu, May 25, 2023 at 1:58 AM Mike Rapoport wrote:
>
> On Mon, May 01, 2023 at 12:27:57PM -0700, Vishal Moola (Oracle) wrote:
> > s390 uses page->index to keep track of page tables for the guest address
> > space. In an attempt to consolidate the usage of page fields in s390,
> > replace
On Thu, May 25, 2023 at 1:56 AM Mike Rapoport wrote:
>
> Hi,
>
> On Mon, May 01, 2023 at 12:27:56PM -0700, Vishal Moola (Oracle) wrote:
> > No folio equivalents for page type operations have been defined, so
> > define them for later folio conversions.
>
> Can you please elaborate why would we
On Tue, May 16, 2023 at 10:02:31PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann
>
> The prototype was hidden on x86, which causes a warning:
>
> kernel/irq_work.c:72:13: error: no previous prototype for
> 'arch_irq_work_raise' [-Werror=missing-prototypes]
>
> Fix this by providing it in
On Tue, May 09, 2023 at 09:45:57PM -0700, Hugh Dickins wrote:
> pte_alloc_map() expects to be followed by pte_unmap(), but hugetlb omits
> that: to keep balance in future, use the recently added pte_alloc_huge()
> instead; with pte_offset_huge() a better name for pte_offset_kernel().
>
>
On Tue, May 09, 2023 at 09:43:47PM -0700, Hugh Dickins wrote:
> In rare transient cases, not yet made possible, pte_offset_map() and
> pte_offset_map_lock() may not find a page table: handle appropriately.
>
> Signed-off-by: Hugh Dickins
Acked-by: Catalin Marinas
On 5/23/23 01:59, Herve Codina wrote:
> In order to compile tsa.c and qmc.c, CONFIG_CPM must be set.
>
> Without this dependency, the linker fails with some missing
> symbols for COMPILE_TEST configurations that need QMC without
> enabling CPM.
>
> Signed-off-by: Herve Codina
> Reported-by:
On Fri 2023-05-19 10:18:38, Douglas Anderson wrote:
> Implement a hardlockup detector that doesn't doesn't need any extra
> arch-specific support code to detect lockups. Instead of using
> something arch-specific we will use the buddy system, where each CPU
> watches out for another one.
The recently added P10 AES/GCM code added some files containing
CRYPTOGAMS perl-asm code which are near duplicates of the p8 files
found in drivers/crypto/vmx.
In particular the newly added files produce functions with identical
names to the existing code.
When the kernel is built with
Hello Michael,
Here are the changes in v2 of the patch
1. added some wording to change log to specify why we are seeing the
issue now. Also added "CC: sta...@vger.kernel.org"
2. changed "limit" to unsigned long. I have kept "rpages" as "long"
Thanks,
Gaurav
On 5/25/23 9:34 AM, Gaurav
As of now, in tce_freemulti_pSeriesLP(), there is no limit on how many TCEs
are passed to H_STUFF_TCE hcall. This was not an issue until now. Newer
firmware releases have started enforcing this requirement.
The interface has been in it's current form since the beginning.
Cc:
Joel Stanley writes:
> On Mon, 15 May 2023 at 12:48, Michael Ellerman wrote:
>>
>> When VSX is disabled, eg. microwatt_defconfig, the build fails with:
>>
>> In function ‘enable_kernel_vsx’,
>> inlined from ‘vsx_begin’ at
>> arch/powerpc/crypto/aes-gcm-p10-glue.c:68:2,
>> inlined
On Mon, May 01, 2023 at 12:28:08PM -0700, Vishal Moola (Oracle) wrote:
> Creates ptdesc_pte_ctor(), ptdesc_pmd_ctor(), ptdesc_pte_dtor(), and
> ptdesc_pmd_dtor() and make the original pgtable constructor/destructors
> wrappers.
I think pgtable_pXY_ctor/dtor names would be better.
>
On Mon, May 01, 2023 at 12:28:00PM -0700, Vishal Moola (Oracle) wrote:
> Introduce utility functions setting the foundation for ptdescs. These
> will also assist in the splitting out of ptdesc from struct page.
>
> ptdesc_alloc() is defined to allocate new ptdesc pages as compound
> pages. This
On Mon, May 01, 2023 at 12:27:57PM -0700, Vishal Moola (Oracle) wrote:
> s390 uses page->index to keep track of page tables for the guest address
> space. In an attempt to consolidate the usage of page fields in s390,
> replace _pt_pad_2 with _pt_s390_gaddr to replace page->index in gmap.
>
>
Hi,
On Mon, May 01, 2023 at 12:27:56PM -0700, Vishal Moola (Oracle) wrote:
> No folio equivalents for page type operations have been defined, so
> define them for later folio conversions.
Can you please elaborate why would we need folios for page table descriptors?
> Also changes the
Hi Arnd,
On Mon, Mar 27, 2023 at 1:14 PM Arnd Bergmann wrote:
>
> From: Arnd Bergmann
>
> After a long discussion about adding SoC specific semantics for when
> to flush caches in drivers/soc/ drivers that we determined to be
> fundamentally flawed[1], I volunteered to try to move that logic
On Tue, 23 May 2023 18:49:14 -0700 (PDT)
Hugh Dickins wrote:
> On Tue, 23 May 2023, Claudio Imbrenda wrote:
> >
> > so if I understand the above correctly, pte_offset_map_lock will only
> > fail if the whole page table has disappeared, and in that case, it will
> > never reappear with zero
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