From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
To: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Alexandre Chartre <alexandre.chartre@oracle.com>,
Dave Hansen <dave.hansen@linux.intel.com>
Subject: Re: [PATCH] x86/its: Move ITS indirect branch thunks to .text..__x86.indirect_thunk
Date: Fri, 6 Jun 2025 10:39:45 -0700 [thread overview]
Message-ID: <20250606173810.tkfj3mlojzv76z4b@desk> (raw)
In-Reply-To: <67a17ed2fc8d12111e76504c8364b1597657c29a.1749228881.git.jpoimboe@kernel.org>
On Fri, Jun 06, 2025 at 09:55:02AM -0700, Josh Poimboeuf wrote:
> The ITS mitigation includes both indirect branch thunks and return
> thunks. Both are currently placed in .text..__x86.return_thunk, which
> is appropriate for the latter but not the former.
>
> For consistency with other mitigations, move the indirect branch thunks
> to .text..__x86.indirect_thunk.
>
> Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
next prev parent reply other threads:[~2025-06-06 17:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-06 16:55 Josh Poimboeuf
2025-06-06 17:39 ` Pawan Gupta [this message]
2025-08-22 13:53 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2025-09-12 10:30 ` tip-bot2 for Josh Poimboeuf
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