From: Peter Zijlstra <peterz@infradead.org>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: x86@kernel.org, tglx@linutronix.de, mingo@redhat.com,
bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/5] x86/alternative: make .altinstr_replacement section non-executable
Date: Sat, 12 Mar 2022 16:31:33 +0100 [thread overview]
Message-ID: <20220312153133.GE28057@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20220311144312.88466-4-adobriyan@gmail.com>
On Fri, Mar 11, 2022 at 05:43:11PM +0300, Alexey Dobriyan wrote:
> Instructions in .altinstr_replacement section aren't meant to be
> executed by CPU directly, only after being copied to the real
> instruction stream in .text/.init_text.
But who cares; the entire section is deleted right along with
.init_text.
next prev parent reply other threads:[~2022-03-12 15:31 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-11 14:43 [PATCH 1/5] x86/alternative: simplify DUMP_BYTES macro Alexey Dobriyan
2022-03-11 14:43 ` [PATCH 2/5] x86/alternative: bump MAX_PATCH_LEN Alexey Dobriyan
2022-03-11 14:43 ` [PATCH 3/5] x86/alternative: record .altinstructions section entity size Alexey Dobriyan
2022-03-12 21:17 ` Peter Zijlstra
2022-03-13 18:05 ` Alexey Dobriyan
2022-04-05 19:24 ` Thomas Gleixner
2022-04-06 8:30 ` Rasmus Villemoes
2022-03-11 14:43 ` [PATCH 4/5] x86/alternative: make .altinstr_replacement section non-executable Alexey Dobriyan
2022-03-12 15:31 ` Peter Zijlstra [this message]
2022-03-11 14:43 ` [PATCH 5/5] x86/unwind/orc: delete dead write in __orc_find() Alexey Dobriyan
2022-03-11 15:13 ` David Laight
2022-03-11 16:59 ` Alexey Dobriyan
2022-03-12 16:36 ` [PATCH 1/5] x86/alternative: simplify DUMP_BYTES macro Joe Perches
2022-03-13 0:14 ` Joe Perches
2022-03-13 18:09 ` Alexey Dobriyan
2022-03-14 3:21 ` Joe Perches
2022-04-03 22:25 ` Borislav Petkov
2022-04-05 16:36 ` Thomas Gleixner
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