From patchwork Thu Mar 9 10:35:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiang W X-Patchwork-Id: 1754584 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=opensbi-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=O9IS5cgB; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=126.com header.i=@126.com header.a=rsa-sha256 header.s=s110527 header.b=A5f05qru; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PXRkR49Wgz1yWp for ; Thu, 9 Mar 2023 22:27:58 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=mc/q2d1BPbIOGxAANaQDblaIClsgjA+6x6FfU4ukP2w=; b=O9IS5cgBQXt23z Gnv897abm+I095CjQRoz3luzkZdxFchxVVp9aQsoHD3a4ogsRanHTaIUpaCifOThFkVaX50KQpkho hBNzDeXJYDOSz2cVijpqIka/FPlbLBxr4OjtGi16JXNecn0AfaVUTvdSdUQLB5w8hC1RtqChlRcbg zkBdorK4hFwwbVaduwngEv+6ZzjTSSwVeswyCtoNxbdmREwFdbKebBuZurROk9QcyqsWxrrPOEkgV Zt4+QllGfo2bTTHFU6RxzoNLefbdC9CMxkeBxAESHkRXrPiU4tBK7ccLqg43rm9GrqBbPBIsC60TX g2tuMD8WJIVJ2uVWY6iA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1paEQr-009Uq6-IF; Thu, 09 Mar 2023 11:27:37 +0000 Received: from m126.mail.126.com ([220.181.12.28]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1paE6v-009KW0-Kh for opensbi@lists.infradead.org; Thu, 09 Mar 2023 11:07:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=YknTr sDSYDJK/r1ugpGHH45Dh3XB9k8aMpTKP5SYG5c=; b=A5f05qrujrx04R1onwMzF 0MzX79hn1U3SkLv/SxP9ZM9Ced6To0eZ56qRHSRh+uZ4ja5ZZ4NgTP07/Jmx9OvL wO+H9oTiPaElSpjhV5CiyvEeBXhFmRd6AG4VB27CEy4HCFVT6Sf+ESa4Rvtf6CEw p7mly5wtTb2GfMpA7Fn8Jc= Received: from x390.lan (unknown [58.246.230.147]) by zwqz-smtp-mta-g0-1 (Coremail) with SMTP id _____wBXl9t3tglkaMM5Aw--.12680S2; Thu, 09 Mar 2023 18:35:36 +0800 (CST) From: Xiang W To: opensbi@lists.infradead.org Cc: schwab@suse.de, Xiang W Subject: [PATCH v2] lib: sbi_scratch: Optimize the alignment code for alloc size Date: Thu, 9 Mar 2023 18:35:28 +0800 Message-Id: <20230309103528.78775-1-wxjstz@126.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-CM-TRANSID: _____wBXl9t3tglkaMM5Aw--.12680S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrZr4kZr48KFWkKw1UCw4fuFg_yoW3Grg_JF W8twnrKrsxXF4kXr1IyFyavr4jvw4q9a1UW3WrAr9xGr4Uuay3Wan5Xw1DGF15WFnFka12 ywsrJrZ2yr13GjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xRZiSdDUUUUU== X-Originating-IP: [58.246.230.147] X-CM-SenderInfo: pz0m23b26rjloofrz/1tbiJh4tOlpD8OCdzwAAs0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230309_030702_115659_50034D54 X-CRM114-Status: UNSURE ( 7.60 ) X-CRM114-Notice: Please train this message. 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Content preview: Signed-off-by: Xiang W --- Changes in v2: - Added type conversion as suggested by Andreas Schwab to prevent errors when extending sign bits lib/sbi/sbi_scratch.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Content analysis details: (-0.2 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [wxjstz[at]126.com] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: opensbi@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "opensbi" Errors-To: opensbi-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Signed-off-by: Xiang W Reviewed-by: Anup Patel --- Changes in v2: - Added type conversion as suggested by Andreas Schwab to prevent errors when extending sign bits lib/sbi/sbi_scratch.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/sbi/sbi_scratch.c b/lib/sbi/sbi_scratch.c index 87b34c6..55ebdbb 100644 --- a/lib/sbi/sbi_scratch.c +++ b/lib/sbi/sbi_scratch.c @@ -59,8 +59,8 @@ unsigned long sbi_scratch_alloc_offset(unsigned long size) if (!size) return 0; - if (size & (__SIZEOF_POINTER__ - 1)) - size = (size & ~(__SIZEOF_POINTER__ - 1)) + __SIZEOF_POINTER__; + size += __SIZEOF_POINTER__ - 1; + size &= ~((unsigned long)__SIZEOF_POINTER__ - 1); spin_lock(&extra_lock);