On Wed, May 22, 2024 at 05:46:09PM -0400, Peter Xu wrote:
> > Now, ProcessB still has the page mapped, so upon re-accessing it,
> > it will trigger a new MCE event. memory-failure code will see that this
>
> The question is why accessing that hwpoison entry from ProcB triggers an
> MCE. Logically
Hi,
On Sat, Apr 06, 2024 at 03:52:02PM +0200, Lukas Wunner wrote:
> Deduplicate ->read() callbacks of bin_attributes which are backed by a
> simple buffer in memory:
>
> Use the newly introduced sysfs_bin_attr_simple_read() helper instead,
> either by referencing it directly or by declaring such
Hello:
This patch was applied to riscv/linux.git (fixes)
by Masami Hiramatsu (Google) :
On Wed, 1 May 2024 09:29:56 -0700 you wrote:
> If an error happens in ftrace, ftrace_kill() will prevent disarming
> kprobes. Eventually, the ftrace_ops associated with the kprobes will be
> freed, yet the kp
On Wed, 22 May 2024 16:38:01 -0400 Eric Chanudet wrote:
> x86_64 is already using the node's cpu as maximum threads. Make that the
> default for all archs setting DEFERRED_STRUCT_PAGE_INIT.
>
> This returns to the behavior prior making the function arch-specific
> with commit ecd096506922 ("mm:
On Wed, May 15, 2024 at 10:18:31PM +0200, Borislav Petkov wrote:
> So if I were to design this, I'd do it this way:
>
> 0. guest gets hw poison injected
>
> 1. it runs memory_failure() and it kills the processes using the page.
>
> 2. page is marked poisoned on the host so no other guest gets it
On Wed, May 15, 2024 at 12:21:51PM +0200, Oscar Salvador wrote:
> On Tue, May 14, 2024 at 03:34:24PM -0600, Peter Xu wrote:
> > The question is whether we can't.
> >
> > Now we reserved a swp entry just for hwpoison and it makes sense only
> > because we cached the poisoned pfn inside. My long st
On Wed, May 22, 2024 at 06:42:55PM +0530, Balasubrmanian, Vignesh wrote:
> > > +enum custom_feature {
> > > + FEATURE_XSAVE_FP = 0,
> > > + FEATURE_XSAVE_SSE = 1,
> > > + FEATURE_XSAVE_YMM = 2,
> > > + FEATURE_XSAVE_BNDREGS = 3,
> > > + FEATURE_XSAVE_BNDCSR = 4,
> > > + FEAT
On Tue, May 21, 2024 at 06:40:08PM -0700, Sean Christopherson wrote:
> Add a kvm_vcpu.scheduled_out flag to track if a vCPU is in the process of
> being scheduled out (vCPU put path), or if the vCPU is being reloaded
> after being scheduled out (vCPU load path). In the short term, this will
> allo
> On 7 May 2024, at 3:18 PM, Christophe Leroy
> wrote:
>
>
>
> Le 06/05/2024 à 14:19, Athira Rajeev a écrit :
>> Use the raw instruction code and macros to identify memory instructions,
>> extract register fields and also offset. The implementation addresses
>> the D-form, X-form, DS-form i
> On 10 May 2024, at 7:56 PM, Arnaldo Carvalho de Melo wrote:
>
> On Thu, May 09, 2024 at 10:56:23PM +0530, Athira Rajeev wrote:
>>
>>
>>> On 7 May 2024, at 3:05 PM, Christophe Leroy
>>> wrote:
>>>
>>>
>>>
>>> Le 06/05/2024 à 14:19, Athira Rajeev a écrit :
Add support to capture an
On 5/8/2024 6:32 PM, Thomas Gleixner wrote:
Caution: This message originated from an External Source. Use proper caution
when opening attachments, clicking links, or responding.
On Tue, May 07 2024 at 15:23, Vignesh Balasubramanian wrote:
+struct xfeat_component {
+ u32 xfeat_type;
+
On Wed, May 22, 2024 at 11:13:53AM +1000, Nicholas Piggin wrote:
> From the mm/ side of things, hugetlb page tables are always walked via
> the huge vma which knows the page size and could align address... I
> guess except for fast gup? Which should be read-only. So okay you do
> need to replicate
+Peter Z. who added that commit.
Le 22/05/2024 à 10:32, Christophe Leroy a écrit :
>
>
> Le 21/05/2024 à 11:26, Oscar Salvador a écrit :
>> On Tue, May 21, 2024 at 10:48:21AM +1000, Michael Ellerman wrote:
>>> Yeah I can. Does it actually cause a bug at runtime (I assume so)?
>>
>> No, currently
On 17/05/24 1:26 pm, Artem Savkov wrote:
Add jit support for unconditional byte swap. Tested using BSWAP tests
from test_bpf module.
Signed-off-by: Artem Savkov
---
arch/powerpc/net/bpf_jit_comp64.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/net/bpf
Edward Liaw writes:
> _GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent
> redefinition warnings.
Most of these tests build with -Werror, so the duplicate define is
actually a hard error. Can you put this patch earlier in the series at
least?
cheers
> Signed-off-by: Edward Li
Le 21/05/2024 à 11:39, Oscar Salvador a écrit :
> On Fri, May 17, 2024 at 08:59:57PM +0200, Christophe Leroy wrote:
>> On powerpc 8xx, when a page is 8M size, the information is in the PMD
>> entry. So provide it to pte_leaf_size().
>>
>> Signed-off-by: Christophe Leroy
>
> Overall looks good t
Le 22/05/2024 à 03:13, Nicholas Piggin a écrit :
> On Tue May 21, 2024 at 2:43 AM AEST, Christophe Leroy wrote:
>>
>>
>> Le 20/05/2024 à 14:54, Nicholas Piggin a écrit :
>>> On Sat May 18, 2024 at 5:00 AM AEST, Christophe Leroy wrote:
On book3s/64, the only user of hugepd is hash in 4k mode.
Le 17/05/2024 à 16:27, Oscar Salvador a écrit :
> On Mon, Mar 25, 2024 at 03:55:53PM +0100, Christophe Leroy wrote:
>> This series reimplements hugepages with hugepd on powerpc 8xx.
>>
>> Unlike most architectures, powerpc 8xx HW requires a two-level
>> pagetable topology for all page sizes. So a
Doorbell emulation is broken for KVM on PowerVM guests as support for
DPDES was not added in the initial patch series. Due to this, a KVM on
PowerVM guest cannot be booted with the XICS interrupt controller as
doorbells are to be setup in the initial probe path when using XICS
(pSeries_smp_probe())
Le 20/05/2024 à 19:42, Oscar Salvador a écrit :
> On Mon, May 20, 2024 at 04:31:39PM +, Christophe Leroy wrote:
>> Hi Oscar, hi Michael,
>>
>> Le 20/05/2024 à 11:14, Oscar Salvador a écrit :
>>> On Fri, May 17, 2024 at 09:00:00PM +0200, Christophe Leroy wrote:
set_huge_pte_at() expects t
Le 21/05/2024 à 13:57, Oscar Salvador a écrit :
> On Mon, May 20, 2024 at 04:24:51PM +, Christophe Leroy wrote:
>> I had a quick look at that document and it seems to provide a good
>> summary of MMU features and principles. However there are some
>> theoritical information which is not fully
Le 21/05/2024 à 11:26, Oscar Salvador a écrit :
> On Tue, May 21, 2024 at 10:48:21AM +1000, Michael Ellerman wrote:
>> Yeah I can. Does it actually cause a bug at runtime (I assume so)?
>
> No, currently set_huge_pte_at() from 8xx ignores the 'sz' parameter.
> But it will be used after this seri
Doorbell emulation is broken for KVM on PowerVM guests as support for
DPDES was not added in the initial patch series. Due to this, a KVM on
PowerVM guest cannot be booted with the XICS interrupt controller as
doorbells are to be setup in the initial probe path when using XICS
(pSeries_smp_probe())
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