From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 716C725FA0D for ; Tue, 8 Apr 2025 07:02:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744095746; cv=none; b=rop3V/n6ZpbqIusp/8paRSkcwlHBU9zkzO9h4Uh/Y/SVG4JY3J19cMkxOzYwngc8z2z5Elbu7RoVdYH4uDUderPspCeJF4jYwgz1gSJag4BkbxbbGWkTFCot+npn6xzLg7Wq9d0Zs0OSNl5rCXTFcyxryn38/RsXBY2cr7fMmiA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744095746; c=relaxed/simple; bh=8Bs2exazEOSYlhHnMS9ABkVQB539MAMkQeivRftqwEk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=DeU8h0bEM5Ji/eu463O/1bOqq5GOHibhin34ekUFpbELDBXgHMAsDYMFjwWX2y7OPWItxFHOqKn455tCf4+RM2nAmE7Qm+xk0f++p8QhpTuhsucZ1OXR5NXrFd52dLA7sTd0Ug3bSAeKOcPN0H3c4MIMRWZOVFDwJCnOtvX+s2A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=idibb8rz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="idibb8rz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AEBE6C4CEE5; Tue, 8 Apr 2025 07:02:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744095745; bh=8Bs2exazEOSYlhHnMS9ABkVQB539MAMkQeivRftqwEk=; h=From:To:Cc:Subject:Date:From; b=idibb8rzK8OryoRxuO5Zsc5I/g7csmTzdAahRluI+Nxolx7shqUvmufgumHTosC2i d2t+hIvm6C0j5tC7tcWEDCLEfKkeHIvexynN4+eLovuYVfBHojN36XHIG23aAD+1sZ X9EocWrCp5p/67eb0e14cvHrrBNu3q6siamKIl3YHZSomi8lYg9PmJiTCJ4qtbBH7S cJhd7aRYzg8sjxEPA/Rkapw3L+O4D5OJ4/8kEnmvGn7dyE94jOvoaME07jZjZ248N/ nHvstUuXdHVtMTWsbzHAVkSsHsZ09BsPd/vVKif4cnzLy7plH4KCwdkyeEIL1c5fLp KSfeSARaLDOMg== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Juergen Gross Subject: [PATCH v4 0/4] objtool: Fix INSN_CONTEXT_SWITCH Date: Tue, 8 Apr 2025 00:02:12 -0700 Message-ID: X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 arch/x86/xen/xen-asm.S | 4 +--- tools/objtool/arch/x86/decode.c | 18 ++++++++++------- tools/objtool/check.c | 29 +++++++++++++++++++++------- tools/objtool/include/objtool/arch.h | 3 ++- 4 files changed, 36 insertions(+), 18 deletions(-) -- 2.49.0