From: Alistair Popple <apopple@nvidia.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Ram Tummala <rtummala@nvidia.com>,
akpm@linux-foundation.org, fengwei.yin@intel.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] mm: Fix PTE_AF handling in fault path on architectures with HW AF support
Date: Wed, 10 Jul 2024 11:02:03 +1000 [thread overview]
Message-ID: <875xtevyw6.fsf@nvdebian.thelocal> (raw)
In-Reply-To: <Zo3SN_qlYUWLAlyR@casper.infradead.org>
Matthew Wilcox <willy@infradead.org> writes:
> On Tue, Jul 09, 2024 at 05:09:42PM -0700, Ram Tummala wrote:
>> Commit 3bd786f76de2 ("mm: convert do_set_pte() to set_pte_range()")
>> replaced do_set_pte() with set_pte_range() and that introduced a regression
>> in the following faulting path of non-anonymous vmas on CPUs with HW AF
>
> At no point in this do you say what "AF" stands for.
It stands for "Access Flag", but that is specific to ARM64. As the fix
is in generic architecture independent code it would be better to use
that terminology (ie. old/young).
next prev parent reply other threads:[~2024-07-10 1:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-10 0:09 Ram Tummala
2024-07-10 0:13 ` Matthew Wilcox
2024-07-10 1:02 ` Alistair Popple [this message]
2024-07-10 1:08 ` Yin, Fengwei
2024-07-10 4:07 ` David Hildenbrand
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=875xtevyw6.fsf@nvdebian.thelocal \
--to=apopple@nvidia.com \
--cc=akpm@linux-foundation.org \
--cc=fengwei.yin@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=rtummala@nvidia.com \
--cc=stable@vger.kernel.org \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox