From: Andrew Donnellan <ajd@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, akpm@linux-foundation.org,
maddy@linux.ibm.com
Cc: x86@kernel.org, linux-mm@kvack.org,
linux-riscv@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, pasha.tatashin@soleen.com,
sweettea-kernel@dorminy.me, christophe.leroy@csgroup.eu
Subject: Re: [PATCH v14 00/11] Support page table check on PowerPC
Date: Mon, 12 May 2025 15:04:55 +1000 [thread overview]
Message-ID: <7f40b03a926145e79c060f5a0cfdab829b2a5f1c.camel@linux.ibm.com> (raw)
In-Reply-To: <20250411054354.511145-1-ajd@linux.ibm.com>
On Fri, 2025-04-11 at 15:43 +1000, Andrew Donnellan wrote:
> Support page table check on all PowerPC platforms. This works by
> serialising assignments, reassignments and clears of page table
> entries at each level in order to ensure that anonymous mappings
> have at most one writable consumer, and likewise that file-backed
> mappings are not simultaneously also anonymous mappings.
>
> In order to support this infrastructure, a number of stubs must be
> defined for all powerpc platforms. Additionally, separate
> set_pte_at()
> and set_pte_at_unchecked(), to allow for internal, uninstrumented
> mappings.
>
> (This series was written by Rohan McLure, who has left IBM and is no
> longer
> working on powerpc.)
Anything more we need to get this merged?
Thanks,
--
Andrew Donnellan OzLabs, ADL Canberra
ajd@linux.ibm.com IBM Australia Limited
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2025-05-12 5:56 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-11 5:43 [PATCH v14 00/11] Support page table check on PowerPC Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 01/11] mm/page_table_check: Reinstate address parameter in [__]page_table_check_pud_set() Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 02/11] mm/page_table_check: Reinstate address parameter in [__]page_table_check_pmd_set() Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 03/11] mm/page_table_check: Provide addr parameter to page_table_check_pte_set() Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 04/11] mm/page_table_check: Reinstate address parameter in [__]page_table_check_pud_clear() Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 05/11] mm/page_table_check: Reinstate address parameter in [__]page_table_check_pmd_clear() Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 06/11] mm/page_table_check: Reinstate address parameter in [__]page_table_check_pte_clear() Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 07/11] mm: Provide address parameter to p{te,md,ud}_user_accessible_page() Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 08/11] powerpc: mm: Add pud_pfn() stub Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 09/11] powerpc: mm: Implement *_user_accessible_page() for ptes Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 10/11] powerpc: mm: Use set_pte_at_unchecked() for internal usages Andrew Donnellan
2025-04-11 5:43 ` [PATCH v14 11/11] powerpc: mm: Support page table check Andrew Donnellan
2025-04-11 9:10 ` [PATCH v14 00/11] Support page table check on PowerPC Ingo Molnar
2025-05-12 5:04 ` Andrew Donnellan [this message]
2025-06-10 7:33 ` Christophe Leroy
2025-06-11 3:16 ` Andrew Donnellan
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=7f40b03a926145e79c060f5a0cfdab829b2a5f1c.camel@linux.ibm.com \
--to=ajd@linux.ibm.com \
--cc=akpm@linux-foundation.org \
--cc=christophe.leroy@csgroup.eu \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-riscv@lists.infradead.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=maddy@linux.ibm.com \
--cc=pasha.tatashin@soleen.com \
--cc=sweettea-kernel@dorminy.me \
--cc=x86@kernel.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;
as well as URLs for NNTP newsgroup(s).