From nobody Sat Sep 6 17:21:09 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1757142672448799.2055337531614; Sat, 6 Sep 2025 00:11:12 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uun4A-0000Zq-DY; Sat, 06 Sep 2025 03:10:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uun49-0000ZN-3G for qemu-devel@nongnu.org; Sat, 06 Sep 2025 03:10:29 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uun3y-0004MZ-1F for qemu-devel@nongnu.org; Sat, 06 Sep 2025 03:10:28 -0400 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8Dx_79W3rtoKlkHAA--.15079S3; Sat, 06 Sep 2025 15:10:14 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowJAxfcFV3rtou6aBAA--.28852S2; Sat, 06 Sep 2025 15:10:13 +0800 (CST) From: Bibo Mao To: Song Gao , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Cc: Jiaxun Yang , qemu-devel@nongnu.org Subject: [PATCH v4 11/13] target/loongarch: Invalid tlb entry in invalidate_tlb() Date: Sat, 6 Sep 2025 15:10:13 +0800 Message-Id: <20250906071013.3749513-1-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250906070441.3749413-1-maobibo@loongson.cn> References: <20250906070441.3749413-1-maobibo@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJAxfcFV3rtou6aBAA--.28852S2 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=114.242.206.163; envelope-from=maobibo@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1757142673563124100 Content-Type: text/plain; charset="utf-8" Invalid tlb entry in function invalidate_tlb(), and its usage is simple and easy to use. Signed-off-by: Bibo Mao --- target/loongarch/tcg/tlb_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/loongarch/tcg/tlb_helper.c b/target/loongarch/tcg/tlb_h= elper.c index 7a85d9ca55..b777f68f71 100644 --- a/target/loongarch/tcg/tlb_helper.c +++ b/target/loongarch/tcg/tlb_helper.c @@ -123,6 +123,7 @@ static void invalidate_tlb_entry(CPULoongArchState *env= , int index) return; } =20 + tlb->tlb_misc =3D FIELD_DP64(tlb->tlb_misc, TLB_MISC, E, 0); tlb_ps =3D FIELD_EX64(tlb->tlb_misc, TLB_MISC, PS); pagesize =3D MAKE_64BIT_MASK(tlb_ps, 1); mask =3D MAKE_64BIT_MASK(0, tlb_ps + 1); @@ -338,7 +339,6 @@ void helper_tlbwr(CPULoongArchState *env) old =3D env->tlb + index; if (FIELD_EX64(env->CSR_TLBIDX, CSR_TLBIDX, NE)) { invalidate_tlb(env, index); - old->tlb_misc =3D FIELD_DP64(old->tlb_misc, TLB_MISC, E, 0); return; } =20 --=20 2.39.3