From nobody Tue Feb 10 16:44:26 2026 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D8F1B18E766 for ; Tue, 30 Jul 2024 06:19:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722320352; cv=none; b=I6Xj539xFi2++DFP71epNBWkuP0RTWgVtsu+cnluad1RMF2tlU2A+NMawJFuj7jKp80IbCo1V3r9vepvh0cOZHctJD3I6BV1W1gGzoo5fJ8srNwHyfyYpAF33hyRsqOlTbjbt/u9kaN0gT6jHStXvKEM281dgnsAjWKES+n6St4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722320352; c=relaxed/simple; bh=RGBxeBNAsLjNI0RAMKCCiMDIOMWMS7Ex43q2Wq8lM2c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IXfRnmmnU5OWqgISP7P7AA6uWHutGczbUp1dZSDEKA0XuDFWFrOs5vTkUMFrYdhFrh/qJnlc5Ryv9/Kr0SOrq3HdKQXCd/UYV75CGluQ93bZdICBeCSVzWrkW+e5b0DYlDFRraM2Unnck/kSNBqprpwv8vA0mTY+TdDmSHyLc48= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [113.200.148.30]) by gateway (Coremail) with SMTP id _____8CxvOrYhahm00MEAA--.14883S3; Tue, 30 Jul 2024 14:19:04 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by front1 (Coremail) with SMTP id qMiowMAxX8fVhahmehYGAA--.30051S4; Tue, 30 Jul 2024 14:19:03 +0800 (CST) From: Tiezhu Yang To: Josh Poimboeuf , Peter Zijlstra , Huacai Chen Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] LoongArch: Remove STACK_FRAME_NON_STANDARD(do_syscall) Date: Tue, 30 Jul 2024 14:19:01 +0800 Message-ID: <20240730061901.21485-3-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240730061901.21485-1-yangtiezhu@loongson.cn> References: <20240730061901.21485-1-yangtiezhu@loongson.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMAxX8fVhahmehYGAA--.30051S4 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj9xXoW7JFykXw45KFyrCFWktw4fWFX_yoWfJrX_GF 1fKw1UWrWrJa12v3Z5t3W5ur4xu3WkJFsakFn29ry7Ka43Jry5Jryav345Cr1q9a1kWrZ5 WrWkX3s0v34FyosvyTuYvTs0mTUanT9S1TB71UUUUUJqnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUb3AYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6r4UJVWxJr1ln4kS14v26r1Y6r17M2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12 xvs2x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q 6rW5McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64 vIr41l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1l4IxYO2xFxVAFwI0_ Jrv_JF1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1V AY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Gr0_Xr1lIxAI cVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42 IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIev Ja73UjIFyTuYvjxU4AhLUUUUU Content-Type: text/plain; charset="utf-8" For now, it can remove STACK_FRAME_NON_STANDARD(do_syscall) because there is no objtool warning "do_syscall+0x11c: return with modified stack frame". Fixes: a0f7085f6a63 ("LoongArch: Add RANDOMIZE_KSTACK_OFFSET support") Signed-off-by: Tiezhu Yang --- arch/loongarch/kernel/syscall.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/loongarch/kernel/syscall.c b/arch/loongarch/kernel/syscal= l.c index ba5d0930a74f..168bd97540f8 100644 --- a/arch/loongarch/kernel/syscall.c +++ b/arch/loongarch/kernel/syscall.c @@ -79,7 +79,3 @@ void noinstr __no_stack_protector do_syscall(struct pt_re= gs *regs) =20 syscall_exit_to_user_mode(regs); } - -#ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET -STACK_FRAME_NON_STANDARD(do_syscall); -#endif --=20 2.42.0