From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org
Cc: xin@zytor.com, Juergen Gross <jgross@suse.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
stable@vger.kernel.org
Subject: [PATCH 0/3] x86: Fix some bugs related to ITS mitigation
Date: Wed, 28 May 2025 14:35:54 +0200 [thread overview]
Message-ID: <20250528123557.12847-1-jgross@suse.com> (raw)
Running as a Xen PV guest uncovered some bugs when ITS mitigation is
active.
Juergen Gross (3):
x86/execmem: don't use PAGE_KERNEL protection for code pages
x86/mm/pat: don't collapse pages without PSE set
x86/alternative: make kernel ITS thunks read-only
arch/x86/kernel/alternative.c | 16 ++++++++++++++++
arch/x86/mm/init.c | 2 +-
arch/x86/mm/pat/set_memory.c | 3 +++
3 files changed, 20 insertions(+), 1 deletion(-)
--
2.43.0
next reply other threads:[~2025-05-28 12:36 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-28 12:35 Juergen Gross [this message]
2025-05-28 12:35 ` [PATCH 1/3] x86/execmem: don't use PAGE_KERNEL protection for code pages Juergen Gross
2025-05-28 17:27 ` Mike Rapoport
2025-05-28 18:22 ` Jürgen Groß
2025-05-30 7:44 ` Peter Zijlstra
2025-05-28 12:35 ` [PATCH 2/3] x86/mm/pat: don't collapse pages without PSE set Juergen Gross
2025-06-11 9:30 ` [tip: x86/urgent] " tip-bot2 for Juergen Gross
2025-05-28 12:35 ` [PATCH 3/3] x86/alternative: make kernel ITS thunks read-only Juergen Gross
2025-05-28 13:10 ` Peter Zijlstra
2025-05-28 13:19 ` Jürgen Groß
2025-05-28 13:22 ` Peter Zijlstra
2025-05-28 13:30 ` Jürgen Groß
2025-05-28 15:58 ` Peter Zijlstra
2025-05-28 16:17 ` Peter Zijlstra
2025-05-28 17:24 ` Mike Rapoport
2025-05-28 17:31 ` Mike Rapoport
2025-06-03 11:17 ` Mike Rapoport
2025-05-29 4:09 ` kernel test robot
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=20250528123557.12847-1-jgross@suse.com \
--to=jgross@suse.com \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=stable@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
--cc=xin@zytor.com \
/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