From nobody Sat Sep 6 17:15:44 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 1757142423463419.80961743291255; Sat, 6 Sep 2025 00:07:03 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uumyu-0001IR-IH; Sat, 06 Sep 2025 03:05:05 -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 1uumyn-0001H8-14 for qemu-devel@nongnu.org; Sat, 06 Sep 2025 03:04:57 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uumyg-0003LK-18 for qemu-devel@nongnu.org; Sat, 06 Sep 2025 03:04:55 -0400 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8AxRNAN3bton1gHAA--.15131S3; Sat, 06 Sep 2025 15:04:45 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowJDx_8MJ3btoC6OBAA--.17248S3; Sat, 06 Sep 2025 15:04:44 +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 01/13] target/loongarch: Use mmu idx bitmap method when flush TLB Date: Sat, 6 Sep 2025 15:04:29 +0800 Message-Id: <20250906070441.3749413-2-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: qMiowJDx_8MJ3btoC6OBAA--.17248S3 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: 1757142425672116600 Content-Type: text/plain; charset="utf-8" With API tlb_flush_range_by_mmuidx(), bitmap of mmu idx should be used rather than itself. Also bitmap of MMU_KERNEL_IDX and MMU_USER_IDX are used rather than that of current running mmu idx when flush TLB. Signed-off-by: Bibo Mao Reviewed-by: Richard Henderson --- target/loongarch/tcg/tlb_helper.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/target/loongarch/tcg/tlb_helper.c b/target/loongarch/tcg/tlb_h= elper.c index 9365860c8c..0c31a346fe 100644 --- a/target/loongarch/tcg/tlb_helper.c +++ b/target/loongarch/tcg/tlb_helper.c @@ -101,8 +101,7 @@ static void invalidate_tlb_entry(CPULoongArchState *env= , int index) target_ulong addr, mask, pagesize; uint8_t tlb_ps; LoongArchTLB *tlb =3D &env->tlb[index]; - - int mmu_idx =3D cpu_mmu_index(env_cpu(env), false); + int idxmap =3D BIT(MMU_KERNEL_IDX) | BIT(MMU_USER_IDX); uint8_t tlb_v0 =3D FIELD_EX64(tlb->tlb_entry0, TLBENTRY, V); uint8_t tlb_v1 =3D FIELD_EX64(tlb->tlb_entry1, TLBENTRY, V); uint64_t tlb_vppn =3D FIELD_EX64(tlb->tlb_misc, TLB_MISC, VPPN); @@ -120,12 +119,12 @@ static void invalidate_tlb_entry(CPULoongArchState *e= nv, int index) =20 if (tlb_v0) { tlb_flush_range_by_mmuidx(env_cpu(env), addr, pagesize, - mmu_idx, TARGET_LONG_BITS); + idxmap, TARGET_LONG_BITS); } =20 if (tlb_v1) { tlb_flush_range_by_mmuidx(env_cpu(env), addr + pagesize, pagesize, - mmu_idx, TARGET_LONG_BITS); + idxmap, TARGET_LONG_BITS); } } =20 --=20 2.39.3