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 A85D32EAE5; Thu, 11 Apr 2024 10:41:58 +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=1712832118; cv=none; b=Ktemdu/Gwgh5Kn8mBm6bqGT5Iq6DdmE6ZPsB8MiYXAq+Nd/oL5QOkMVdurC5UE1KEviaHqp0eadMbJH1iLZYxFdaNAkejdA8HqnQHQT8fBSTim+QMGBC/DeonQ3Zxmy+npGER8c8pAfsiYphV3vhHmoIEzcitzaFqcfIBCqpIik= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712832118; c=relaxed/simple; bh=vdhQePiDnXUdfrdU8pv1bc3McTnNwhsf36bP6JEyyq8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GtHVTF9DZHG7mTgbdegKJIoQWdDZN1KShvYdQOaN1Sd4bxEPp9Zg79lCiV110qt8U3TPONQQKkgA9UwvjGqyUw+4YcT6WnZarAvQahXH6OLErJsFX2/QytpzRPTsQtKnzBi6yJuxwzOXY9vB9d10HRF0/0FNSab20g8ySnBqctI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=QvUNKQ2U; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="QvUNKQ2U" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3046BC433C7; Thu, 11 Apr 2024 10:41:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1712832118; bh=vdhQePiDnXUdfrdU8pv1bc3McTnNwhsf36bP6JEyyq8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QvUNKQ2Ux7HPlGK678ixDRpzQsxvnLjzMlJqTHK29ePQVlmbZ3v9KaMvKq73TWnaQ MD7kt5SDKOza+iCrXx1cSesXTCwFC2G2rCQ2Fb/qfxpb/lMByahesAbpu7rCl+QG3i LnT8e3CUcUqy/9Cjn4b939lUfFoPssyBwHqoN9Cs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, stable@kernel.org, Ulrich Weigand , Alexander Gordeev , Sumanth Korikkar , Vasily Gorbik Subject: [PATCH 5.10 236/294] s390/entry: align system call table on 8 bytes Date: Thu, 11 Apr 2024 11:56:39 +0200 Message-ID: <20240411095442.683561724@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240411095435.633465671@linuxfoundation.org> References: <20240411095435.633465671@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sumanth Korikkar commit 378ca2d2ad410a1cd5690d06b46c5e2297f4c8c0 upstream. Align system call table on 8 bytes. With sys_call_table entry size of 8 bytes that eliminates the possibility of a system call pointer crossing cache line boundary. Cc: stable@kernel.org Suggested-by: Ulrich Weigand Reviewed-by: Alexander Gordeev Signed-off-by: Sumanth Korikkar Signed-off-by: Vasily Gorbik Signed-off-by: Greg Kroah-Hartman --- arch/s390/kernel/entry.S | 1 + 1 file changed, 1 insertion(+) --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -1298,6 +1298,7 @@ ENDPROC(stack_overflow) #endif .section .rodata, "a" + .balign 8 #define SYSCALL(esame,emu) .quad __s390x_ ## esame .globl sys_call_table sys_call_table: