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From: Peter Zijlstra <peterz@infradead.org>
To: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
	Ingo Molnar <mingo@kernel.org>, Juergen Gross <jgross@suse.com>
Subject: Re: [PATCH v4 0/4] objtool: Fix INSN_CONTEXT_SWITCH
Date: Wed, 9 Apr 2025 16:43:45 +0200	[thread overview]
Message-ID: <20250409144345.GG9833@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <cover.1744095216.git.jpoimboe@kernel.org>

On Tue, Apr 08, 2025 at 12:02:12AM -0700, Josh Poimboeuf wrote:
> I decided to keep the "unsupported instruction in callable function"
> warning, it's not hurting anything.  As a result we now have
> INSN_SYSCALL and INSN_SYSRET.
> 
> v4:
> - split up patches
> - don't get rid of "unsupported instruction in callable function" warning
> - split INSN_CONTEXT_SWITCH -> INSN_SYSCALL / INSN_SYSRET
> 
> v3: https://lore.kernel.org/9b23e4413873bee38961e628b0c73f6d3a26d494.1743799705.git.jpoimboe@kernel.org
> 
> Josh Poimboeuf (4):
>   objtool: Fix INSN_CONTEXT_SWITCH handling in validate_unret()
>   objtool: Split INSN_CONTEXT_SWITCH into INSN_SYSCALL and INSN_SYSRET
>   objtool: Stop UNRET validation on UD2
>   objtool, xen: Fix INSN_SYSCALL / INSN_SYSRET semantics

This looks nice, thanks for doing that. Belated:

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

      parent reply	other threads:[~2025-04-09 14:43 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-08  7:02 [PATCH v4 0/4] objtool: Fix INSN_CONTEXT_SWITCH Josh Poimboeuf
2025-04-08  7:02 ` [PATCH v4 1/4] objtool: Fix INSN_CONTEXT_SWITCH handling in validate_unret() Josh Poimboeuf
2025-04-08  8:12   ` [tip: objtool/urgent] " tip-bot2 for Josh Poimboeuf
2025-04-08  7:02 ` [PATCH v4 2/4] objtool: Split INSN_CONTEXT_SWITCH into INSN_SYSCALL and INSN_SYSRET Josh Poimboeuf
2025-04-08  8:12   ` [tip: objtool/urgent] " tip-bot2 for Josh Poimboeuf
2025-04-08  7:02 ` [PATCH v4 3/4] objtool: Stop UNRET validation on UD2 Josh Poimboeuf
2025-04-08  8:12   ` [tip: objtool/urgent] " tip-bot2 for Josh Poimboeuf
2025-04-08  7:02 ` [PATCH v4 4/4] objtool, xen: Fix INSN_SYSCALL / INSN_SYSRET semantics Josh Poimboeuf
2025-04-08  8:12   ` [tip: objtool/urgent] " tip-bot2 for Josh Poimboeuf
2025-04-08  7:11 ` [PATCH v4 0/4] objtool: Fix INSN_CONTEXT_SWITCH Ingo Molnar
2025-04-08  7:15   ` Ingo Molnar
2025-04-09 14:43 ` Peter Zijlstra [this message]

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