From nobody Mon Feb 9 19:33:21 2026 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 1752824600998119.4093051500355; Fri, 18 Jul 2025 00:43:20 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ucfj3-0001cF-Ie; Fri, 18 Jul 2025 03:41:49 -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 1ucfW4-0002df-B5 for qemu-devel@nongnu.org; Fri, 18 Jul 2025 03:28:25 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ucfVz-0002jh-22 for qemu-devel@nongnu.org; Fri, 18 Jul 2025 03:28:24 -0400 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8AxnOKN93lozcksAQ--.56658S3; Fri, 18 Jul 2025 15:28:13 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowJCxocKI93lo0QwcAA--.17387S9; Fri, 18 Jul 2025 15:28:12 +0800 (CST) From: Bibo Mao To: Song Gao Cc: Jiaxun Yang , qemu-devel@nongnu.org Subject: [PATCH v2 7/9] target/loongarch: Use mmu idx bitmap method when flush tlb Date: Fri, 18 Jul 2025 15:28:05 +0800 Message-Id: <20250718072807.3585466-8-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250718072807.3585466-1-maobibo@loongson.cn> References: <20250718072807.3585466-1-maobibo@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJCxocKI93lo0QwcAA--.17387S9 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_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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: 1752824603185116600 Content-Type: text/plain; charset="utf-8" With API tlb_flush_range_by_mmuidx(), bitmap method of mmu idx should be used rather than itself. Also mmu idx comes from page table entry information rather current running mode. With page table entry, global bit for MMU_KERNEL_IDX, otherwise it is MMU_USER_IDX. Signed-off-by: Bibo Mao --- target/loongarch/tcg/tlb_helper.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/target/loongarch/tcg/tlb_helper.c b/target/loongarch/tcg/tlb_h= elper.c index ca2fabfa6a..76ec469341 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 mmu_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); @@ -118,12 +117,14 @@ static void invalidate_tlb_entry(CPULoongArchState *e= nv, int index) =20 if (tlb_v0) { addr =3D (tlb_vppn << R_TLB_MISC_VPPN_SHIFT) & ~mask; /* even */ + mmu_idx =3D BIT(FIELD_EX64(tlb->tlb_entry0, TLBENTRY, PLV)); tlb_flush_range_by_mmuidx(env_cpu(env), addr, pagesize, mmu_idx, TARGET_LONG_BITS); } =20 if (tlb_v1) { addr =3D (tlb_vppn << R_TLB_MISC_VPPN_SHIFT) & pagesize; /* odd= */ + mmu_idx =3D BIT(FIELD_EX64(tlb->tlb_entry1, TLBENTRY, PLV)); tlb_flush_range_by_mmuidx(env_cpu(env), addr, pagesize, mmu_idx, TARGET_LONG_BITS); } --=20 2.39.3