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[209.51.188.17]) by mx.google.com with ESMTPS id bj12-20020a05620a190c00b007882e4e7f46si7917879qkb.263.2024.03.12.05.57.50 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 12 Mar 2024 05:57:50 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b="YiWB/H5j"; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rk1Wj-0006wL-2Q; Tue, 12 Mar 2024 08:46:42 -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 1rk1VK-0004eO-7A for qemu-devel@nongnu.org; Tue, 12 Mar 2024 08:45:16 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rk1V4-0000Wo-VN for qemu-devel@nongnu.org; Tue, 12 Mar 2024 08:45:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1710247495; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=96tWQBOQ6hzkT9ZCC1lhsflVD2DlkF3bSvTLzkWacO0=; b=YiWB/H5jnkknN7ftTxIv6JoMF0n+kN7vEwesVm3d7eydUwPGugXL3rPlQFYawcQcqpZIcB pQa/k54ZXQm/lnxGtPPtsLjKdwnHOtI+rj38SU4tItHbywyDzYHO0K1VCHhYHAKmlD1qHI jwGde6kT+eDVXDPUaTc9Pg3C5/MJ8wo= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-443-qXcBDlL0Mm-bfhiZkcv0Ww-1; Tue, 12 Mar 2024 08:44:52 -0400 X-MC-Unique: qXcBDlL0Mm-bfhiZkcv0Ww-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 57D643C0F187; Tue, 12 Mar 2024 12:44:52 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.39.192.69]) by smtp.corp.redhat.com (Postfix) with ESMTP id 63650492BC4; Tue, 12 Mar 2024 12:44:51 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org Cc: Peter Maydell , =?utf-8?q?Philippe_Mathieu-Dau?= =?utf-8?q?d=C3=A9?= , Richard Henderson Subject: [PULL 36/55] bulk: Call in place single use cpu_env() Date: Tue, 12 Mar 2024 13:43:20 +0100 Message-ID: <20240312124339.761630-37-thuth@redhat.com> In-Reply-To: <20240312124339.761630-1-thuth@redhat.com> References: <20240312124339.761630-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.687, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01, T_SPF_TEMPERROR=0.01 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org From: Philippe Mathieu-Daudé Avoid CPUArchState local variable when cpu_env() is used once. Mechanical patch using the following Coccinelle spatch script: @@ type CPUArchState; identifier env; expression cs; @@ { - CPUArchState *env = cpu_env(cs); ... when != env - env + cpu_env(cs) ... when != env } Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-ID: <20240129164514.73104-5-philmd@linaro.org> Signed-off-by: Thomas Huth --- accel/tcg/cpu-exec.c | 3 +-- linux-user/i386/cpu_loop.c | 4 ++-- target/hppa/mem_helper.c | 3 +-- target/hppa/translate.c | 3 +-- target/i386/nvmm/nvmm-all.c | 6 ++---- target/i386/whpx/whpx-all.c | 18 ++++++------------ target/loongarch/tcg/translate.c | 3 +-- target/rx/translate.c | 3 +-- target/sh4/op_helper.c | 4 +--- 9 files changed, 16 insertions(+), 31 deletions(-) diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 52239a441f..5c70748060 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -436,7 +436,6 @@ const void *HELPER(lookup_tb_ptr)(CPUArchState *env) static inline TranslationBlock * QEMU_DISABLE_CFI cpu_tb_exec(CPUState *cpu, TranslationBlock *itb, int *tb_exit) { - CPUArchState *env = cpu_env(cpu); uintptr_t ret; TranslationBlock *last_tb; const void *tb_ptr = itb->tc.ptr; @@ -446,7 +445,7 @@ cpu_tb_exec(CPUState *cpu, TranslationBlock *itb, int *tb_exit) } qemu_thread_jit_execute(); - ret = tcg_qemu_tb_exec(env, tb_ptr); + ret = tcg_qemu_tb_exec(cpu_env(cpu), tb_ptr); cpu->neg.can_do_io = true; qemu_plugin_disable_mem_helpers(cpu); /* diff --git a/linux-user/i386/cpu_loop.c b/linux-user/i386/cpu_loop.c index 42ecb4bf0a..92beb6830c 100644 --- a/linux-user/i386/cpu_loop.c +++ b/linux-user/i386/cpu_loop.c @@ -323,8 +323,8 @@ void cpu_loop(CPUX86State *env) static void target_cpu_free(void *obj) { - CPUArchState *env = cpu_env(obj); - target_munmap(env->gdt.base, sizeof(uint64_t) * TARGET_GDT_ENTRIES); + target_munmap(cpu_env(obj)->gdt.base, + sizeof(uint64_t) * TARGET_GDT_ENTRIES); g_free(obj); } diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index 3fc895c1c2..80f51e753f 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -538,7 +538,6 @@ void HELPER(iitlbt_pa20)(CPUHPPAState *env, target_ulong r1, target_ulong r2) /* Purge (Insn/Data) TLB. */ static void ptlb_work(CPUState *cpu, run_on_cpu_data data) { - CPUHPPAState *env = cpu_env(cpu); vaddr start = data.target_ptr; vaddr end; @@ -552,7 +551,7 @@ static void ptlb_work(CPUState *cpu, run_on_cpu_data data) end = (vaddr)TARGET_PAGE_SIZE << (2 * end); end = start + end - 1; - hppa_flush_tlb_range(env, start, end); + hppa_flush_tlb_range(cpu_env(cpu), start, end); } /* This is local to the current cpu. */ diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 01f3188656..eb2046c5ad 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -3811,8 +3811,7 @@ static bool trans_b_gate(DisasContext *ctx, arg_b_gate *a) #ifndef CONFIG_USER_ONLY if (ctx->tb_flags & PSW_C) { - CPUHPPAState *env = cpu_env(ctx->cs); - int type = hppa_artype_for_page(env, ctx->base.pc_next); + int type = hppa_artype_for_page(cpu_env(ctx->cs), ctx->base.pc_next); /* If we could not find a TLB entry, then we need to generate an ITLB miss exception so the kernel will provide it. The resulting TLB fill operation will invalidate this TB and diff --git a/target/i386/nvmm/nvmm-all.c b/target/i386/nvmm/nvmm-all.c index cfdca91123..49a3a3b916 100644 --- a/target/i386/nvmm/nvmm-all.c +++ b/target/i386/nvmm/nvmm-all.c @@ -340,7 +340,6 @@ nvmm_get_registers(CPUState *cpu) static bool nvmm_can_take_int(CPUState *cpu) { - CPUX86State *env = cpu_env(cpu); AccelCPUState *qcpu = cpu->accel; struct nvmm_vcpu *vcpu = &qcpu->vcpu; struct nvmm_machine *mach = get_nvmm_mach(); @@ -349,7 +348,7 @@ nvmm_can_take_int(CPUState *cpu) return false; } - if (qcpu->int_shadow || !(env->eflags & IF_MASK)) { + if (qcpu->int_shadow || !(cpu_env(cpu)->eflags & IF_MASK)) { struct nvmm_x64_state *state = vcpu->state; /* Exit on interrupt window. */ @@ -645,13 +644,12 @@ static int nvmm_handle_halted(struct nvmm_machine *mach, CPUState *cpu, struct nvmm_vcpu_exit *exit) { - CPUX86State *env = cpu_env(cpu); int ret = 0; bql_lock(); if (!((cpu->interrupt_request & CPU_INTERRUPT_HARD) && - (env->eflags & IF_MASK)) && + (cpu_env(cpu)->eflags & IF_MASK)) && !(cpu->interrupt_request & CPU_INTERRUPT_NMI)) { cpu->exception_index = EXCP_HLT; cpu->halted = true; diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index a7262654ac..31eec7048c 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -300,7 +300,6 @@ static SegmentCache whpx_seg_h2q(const WHV_X64_SEGMENT_REGISTER *hs) /* X64 Extended Control Registers */ static void whpx_set_xcrs(CPUState *cpu) { - CPUX86State *env = cpu_env(cpu); HRESULT hr; struct whpx_state *whpx = &whpx_global; WHV_REGISTER_VALUE xcr0; @@ -311,7 +310,7 @@ static void whpx_set_xcrs(CPUState *cpu) } /* Only xcr0 is supported by the hypervisor currently */ - xcr0.Reg64 = env->xcr0; + xcr0.Reg64 = cpu_env(cpu)->xcr0; hr = whp_dispatch.WHvSetVirtualProcessorRegisters( whpx->partition, cpu->cpu_index, &xcr0_name, 1, &xcr0); if (FAILED(hr)) { @@ -321,7 +320,6 @@ static void whpx_set_xcrs(CPUState *cpu) static int whpx_set_tsc(CPUState *cpu) { - CPUX86State *env = cpu_env(cpu); WHV_REGISTER_NAME tsc_reg = WHvX64RegisterTsc; WHV_REGISTER_VALUE tsc_val; HRESULT hr; @@ -345,7 +343,7 @@ static int whpx_set_tsc(CPUState *cpu) } } - tsc_val.Reg64 = env->tsc; + tsc_val.Reg64 = cpu_env(cpu)->tsc; hr = whp_dispatch.WHvSetVirtualProcessorRegisters( whpx->partition, cpu->cpu_index, &tsc_reg, 1, &tsc_val); if (FAILED(hr)) { @@ -556,7 +554,6 @@ static void whpx_set_registers(CPUState *cpu, int level) static int whpx_get_tsc(CPUState *cpu) { - CPUX86State *env = cpu_env(cpu); WHV_REGISTER_NAME tsc_reg = WHvX64RegisterTsc; WHV_REGISTER_VALUE tsc_val; HRESULT hr; @@ -569,14 +566,13 @@ static int whpx_get_tsc(CPUState *cpu) return -1; } - env->tsc = tsc_val.Reg64; + cpu_env(cpu)->tsc = tsc_val.Reg64; return 0; } /* X64 Extended Control Registers */ static void whpx_get_xcrs(CPUState *cpu) { - CPUX86State *env = cpu_env(cpu); HRESULT hr; struct whpx_state *whpx = &whpx_global; WHV_REGISTER_VALUE xcr0; @@ -594,7 +590,7 @@ static void whpx_get_xcrs(CPUState *cpu) return; } - env->xcr0 = xcr0.Reg64; + cpu_env(cpu)->xcr0 = xcr0.Reg64; } static void whpx_get_registers(CPUState *cpu) @@ -1400,8 +1396,7 @@ static vaddr whpx_vcpu_get_pc(CPUState *cpu, bool exit_context_valid) { if (cpu->vcpu_dirty) { /* The CPU registers have been modified by other parts of QEMU. */ - CPUArchState *env = cpu_env(cpu); - return env->eip; + return cpu_env(cpu)->eip; } else if (exit_context_valid) { /* * The CPU registers have not been modified by neither other parts @@ -1439,12 +1434,11 @@ static vaddr whpx_vcpu_get_pc(CPUState *cpu, bool exit_context_valid) static int whpx_handle_halt(CPUState *cpu) { - CPUX86State *env = cpu_env(cpu); int ret = 0; bql_lock(); if (!((cpu->interrupt_request & CPU_INTERRUPT_HARD) && - (env->eflags & IF_MASK)) && + (cpu_env(cpu)->eflags & IF_MASK)) && !(cpu->interrupt_request & CPU_INTERRUPT_NMI)) { cpu->exception_index = EXCP_HLT; cpu->halted = true; diff --git a/target/loongarch/tcg/translate.c b/target/loongarch/tcg/translate.c index 58674cb268..7567712655 100644 --- a/target/loongarch/tcg/translate.c +++ b/target/loongarch/tcg/translate.c @@ -282,10 +282,9 @@ static uint64_t make_address_pc(DisasContext *ctx, uint64_t addr) static void loongarch_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) { - CPULoongArchState *env = cpu_env(cs); DisasContext *ctx = container_of(dcbase, DisasContext, base); - ctx->opcode = translator_ldl(env, &ctx->base, ctx->base.pc_next); + ctx->opcode = translator_ldl(cpu_env(cs), &ctx->base, ctx->base.pc_next); if (!decode(ctx, ctx->opcode)) { qemu_log_mask(LOG_UNIMP, "Error: unknown opcode. " diff --git a/target/rx/translate.c b/target/rx/translate.c index 2265bd14ac..f6bf68e00e 100644 --- a/target/rx/translate.c +++ b/target/rx/translate.c @@ -2195,9 +2195,8 @@ static bool trans_WAIT(DisasContext *ctx, arg_WAIT *a) static void rx_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) { - CPURXState *env = cpu_env(cs); DisasContext *ctx = container_of(dcbase, DisasContext, base); - ctx->env = env; + ctx->env = cpu_env(cs); ctx->tb_flags = ctx->base.tb->flags; } diff --git a/target/sh4/op_helper.c b/target/sh4/op_helper.c index 54d390fe1f..4559d0d376 100644 --- a/target/sh4/op_helper.c +++ b/target/sh4/op_helper.c @@ -29,9 +29,7 @@ void superh_cpu_do_unaligned_access(CPUState *cs, vaddr addr, MMUAccessType access_type, int mmu_idx, uintptr_t retaddr) { - CPUSH4State *env = cpu_env(cs); - - env->tea = addr; + cpu_env(cs)->tea = addr; switch (access_type) { case MMU_INST_FETCH: case MMU_DATA_LOAD: