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 AA55E295502 for ; Wed, 14 May 2025 20:13:11 +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=1747253591; cv=none; b=mPo34peScn5w4yZaWyg+/+A3X9YAuXZZc3qNh67jks4Jf8gStZzEG59jLtqK0DczZRX615IYJbCGX4OIWGFS8H+VfBW46638YDwbp6iQXeTe/PkmJK7qRlc1Ltdqm933qtQ2XoXs4cc7vWw4XW20JH/kVZmNN1gsThpldV2SGQc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747253591; c=relaxed/simple; bh=CGxFCtwK/rpc9EPB8hcezGUD3Pwf1dc7aom8yhpMl68=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=efR2Liihk99bcIMPoAYKrPDNoxp0vzmcKLwmXtgunPjZHPpZ4l0+XHiVaFMIzbxxrrAWjI6ZRuPIdNSFubEqqGpm2lkQjByU6hEqWDRqPWhes7vaOHR2hBx8QMnWV7+hwazGyZd3sqlUx5PJpkYGKJVwSluCjLOryIYcsyplujg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QzLVDc9O; 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="QzLVDc9O" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4CF5C4CEE3; Wed, 14 May 2025 20:13:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747253591; bh=CGxFCtwK/rpc9EPB8hcezGUD3Pwf1dc7aom8yhpMl68=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QzLVDc9Oz4EVMj3kP0egtt6HitzAG9b+xON3Cs7okNRTrowrcLIEa2XAWPXQ/Y+f1 qX4dwDoT0W5njf+W/i4P7c04133dPJRAL1Ors/+31DVE29kAH8p3Hk1FRSkNMwzXv6 8qv+Jlx++/0vWsfUI+CAaXyJW/AvBvxlCTPvB832J4q7bBhZbFzFPwn69vnZZTxwHj YFkYHAhI7PvKQTYj4rzqO/t82bZk2OL4XlhdJUz6ZHPwzuSPWyTq6iX66/Hkdnv3tH iiLg++rbRNd0ei+yw+R95Fm/A5OdyblZ8sV8t7NOlQXIiXh3gTI4RjpWRP0Op2SsDn rxrB8wvfxOvfw== From: Sasha Levin To: stable@vger.kernel.org Cc: Pawan Gupta , Sasha Levin Subject: Re: [PATCH 5.15 v2 01/14] x86,nospec: Simplify {JMP,CALL}_NOSPEC Date: Wed, 14 May 2025 16:13:08 -0400 Message-Id: <20250514105300-50f9d7308880365d@stable.kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250513-its-5-15-v2-1-90690efdc7e0@linux.intel.com> References: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Sasha's backport helper bot ] Hi, ✅ All tests passed successfully. No issues detected. No action required from the submitter. The upstream commit SHA1 provided is correct: 09d09531a51a24635bc3331f56d92ee7092f5516 WARNING: Author mismatch between patch and upstream commit: Backport author: Pawan Gupta Commit author: Peter Zijlstra Status in newer kernel trees: 6.14.y | Present (exact SHA1) 6.12.y | Present (exact SHA1) 6.6.y | Present (exact SHA1) 6.1.y | Present (exact SHA1) Note: The patch differs from the upstream commit: --- 1: 09d09531a51a2 ! 1: 2ae24144e7424 x86,nospec: Simplify {JMP,CALL}_NOSPEC @@ Metadata ## Commit message ## x86,nospec: Simplify {JMP,CALL}_NOSPEC + commit 09d09531a51a24635bc3331f56d92ee7092f5516 upstream. + Have {JMP,CALL}_NOSPEC generate the same code GCC does for indirect calls and rely on the objtool retpoline patching infrastructure. @@ Commit message compiler generated retpolines are not. Signed-off-by: Peter Zijlstra (Intel) + Signed-off-by: Pawan Gupta ## arch/x86/include/asm/nospec-branch.h ## @@ --- Results of testing on various branches: | Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | stable/linux-5.15.y | Success | Success |