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That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefan Weil Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" We do not need or want to be allocating page sized quanta. Signed-off-by: Richard Henderson --- Cc: Stefan Weil --- util/oslib-win32.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/util/oslib-win32.c b/util/oslib-win32.c index c654dafd93..8d838bf342 100644 --- a/util/oslib-win32.c +++ b/util/oslib-win32.c @@ -56,10 +56,8 @@ void *qemu_try_memalign(size_t alignment, size_t size) { void *ptr; =20 - if (!size) { - abort(); - } - ptr =3D VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE); + assert(size !=3D 0); + ptr =3D _aligned_malloc(alignment, size); trace_qemu_memalign(alignment, size, ptr); return ptr; } @@ -93,9 +91,7 @@ void *qemu_anon_ram_alloc(size_t size, uint64_t *align, b= ool shared) void qemu_vfree(void *ptr) { trace_qemu_vfree(ptr); - if (ptr) { - VirtualFree(ptr, 0, MEM_RELEASE); - } + _aligned_free(ptr); } =20 void qemu_anon_ram_free(void *ptr, size_t size) --=20 2.25.1 From nobody Fri Apr 19 05:41:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; 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Tue, 15 Sep 2020 17:46:42 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 2/6] qom: Allow objects to be allocated with increased alignment Date: Tue, 15 Sep 2020 17:46:34 -0700 Message-Id: <20200916004638.2444147-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200916004638.2444147-1-richard.henderson@linaro.org> References: <20200916004638.2444147-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::444; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x444.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eduardo Habkost Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) It turns out that some hosts have a default malloc alignment less than that required for vectors. We assume that, with compiler annotation on CPUArchState, that we can properly align the vector portion of the guest state. Fix the alignment of the allocation by using qemu_memalloc when required. Signed-off-by: Richard Henderson --- Cc: Paolo Bonzini Cc: "Daniel P. Berrang=C3=A9" Cc: Eduardo Habkost --- include/qom/object.h | 5 +++++ qom/object.c | 36 +++++++++++++++++++++++++++++++++--- 2 files changed, 38 insertions(+), 3 deletions(-) diff --git a/include/qom/object.h b/include/qom/object.h index 056f67ab3b..5709c36859 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -691,6 +691,7 @@ struct Object .parent =3D TYPE_##PARENT_MODULE_OBJ_NAME, \ .name =3D TYPE_##MODULE_OBJ_NAME, \ .instance_size =3D sizeof(ModuleObjName), \ + .instance_align =3D __alignof__(ModuleObjName), \ .instance_init =3D module_obj_name##_init, \ .instance_finalize =3D module_obj_name##_finalize, \ .class_size =3D sizeof(ModuleObjName##Class), \ @@ -770,6 +771,9 @@ struct Object * @instance_size: The size of the object (derivative of #Object). If * @instance_size is 0, then the size of the object will be the size of = the * parent object. + * @instance_align: The required alignment of the object. If @instance_al= ign + * is 0, then normal malloc alignment is sufficient; if non-zero, then we + * must use qemu_memalign for allocation. * @instance_init: This function is called to initialize an object. The p= arent * class will have already been initialized so the type is only responsi= ble * for initializing its own members. @@ -807,6 +811,7 @@ struct TypeInfo const char *parent; =20 size_t instance_size; + size_t instance_align; void (*instance_init)(Object *obj); void (*instance_post_init)(Object *obj); void (*instance_finalize)(Object *obj); diff --git a/qom/object.c b/qom/object.c index 387efb25eb..fcc15f6d88 100644 --- a/qom/object.c +++ b/qom/object.c @@ -50,6 +50,7 @@ struct TypeImpl size_t class_size; =20 size_t instance_size; + size_t instance_align; =20 void (*class_init)(ObjectClass *klass, void *data); void (*class_base_init)(ObjectClass *klass, void *data); @@ -114,6 +115,7 @@ static TypeImpl *type_new(const TypeInfo *info) =20 ti->class_size =3D info->class_size; ti->instance_size =3D info->instance_size; + ti->instance_align =3D info->instance_align; =20 ti->class_init =3D info->class_init; ti->class_base_init =3D info->class_base_init; @@ -688,16 +690,44 @@ static void object_finalize(void *data) } } =20 +/* Find the minimum alignment guaranteed by the system malloc. */ +#if __STDC_VERSION__ >=3D 201112L +typddef max_align_t qemu_max_align_t; +#else +typedef union { + long l; + void *p; + double d; + long double ld; +} qemu_max_align_t; +#endif + static Object *object_new_with_type(Type type) { Object *obj; + size_t size, align; + void (*obj_free)(void *); =20 g_assert(type !=3D NULL); type_initialize(type); =20 - obj =3D g_malloc(type->instance_size); - object_initialize_with_type(obj, type->instance_size, type); - obj->free =3D g_free; + size =3D type->instance_size; + align =3D type->instance_align; + + /* + * Do not use qemu_memalign unless required. Depending on the + * implementation, extra alignment implies extra overhead. + */ + if (likely(align <=3D __alignof__(qemu_max_align_t))) { + obj =3D g_malloc(size); + obj_free =3D g_free; + } else { + obj =3D qemu_memalign(align, size); + obj_free =3D qemu_vfree; + } + + object_initialize_with_type(obj, size, type); + obj->free =3D obj_free; =20 return obj; } --=20 2.25.1 From nobody Fri Apr 19 05:41:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1600217325; cv=none; d=zohomail.com; s=zohoarc; b=L4VEJTdRV2vSIf6Cvuj72WCdo4hizcmm0D/tWGrQxU3uS+DpbPuLGdbe17b4NSbuu/223fRscFh41jWlYQVzklxNVnipTXyMTzPEplfpFT9TNfedgCoA635gQklI9zCNz90hiBVY6BIeHmvmY6TYst4nf7HKjOHzjfekmk+pPbo= ARC-Message-Signature: i=1; a=rsa-sha256; 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Tue, 15 Sep 2020 17:46:44 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 3/6] target/arm: Set instance_align on CPUARM TypeInfo Date: Tue, 15 Sep 2020 17:46:35 -0700 Message-Id: <20200916004638.2444147-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200916004638.2444147-1-richard.henderson@linaro.org> References: <20200916004638.2444147-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::644; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x644.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Fix alignment of CPUARMState.vfp.zregs. Signed-off-by: Richard Henderson --- Cc: Peter Maydell Cc: qemu-arm@nongnu.org --- target/arm/cpu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 7b5ea65fab..a7643deab4 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -2290,6 +2290,7 @@ void arm_cpu_register(const ARMCPUInfo *info) TypeInfo type_info =3D { .parent =3D TYPE_ARM_CPU, .instance_size =3D sizeof(ARMCPU), + .instance_align =3D __alignof__(ARMCPU), .instance_init =3D arm_cpu_instance_init, .class_size =3D sizeof(ARMCPUClass), .class_init =3D info->class_init ?: cpu_register_class_init, @@ -2305,6 +2306,7 @@ static const TypeInfo arm_cpu_type_info =3D { .name =3D TYPE_ARM_CPU, .parent =3D TYPE_CPU, .instance_size =3D sizeof(ARMCPU), + .instance_align =3D __alignof__(ARMCPU), .instance_init =3D arm_cpu_initfn, .instance_finalize =3D arm_cpu_finalizefn, .abstract =3D true, --=20 2.25.1 From nobody Fri Apr 19 05:41:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::442; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x442.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-ppc@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Fix alignment of CPUPPCState.vsr. Signed-off-by: Richard Henderson Acked-by: David Gibson --- Cc: David Gibson Cc: qemu-ppc@nongnu.org --- target/ppc/translate_init.c.inc | 1 + 1 file changed, 1 insertion(+) diff --git a/target/ppc/translate_init.c.inc b/target/ppc/translate_init.c.= inc index 230a062d29..accb4f2fae 100644 --- a/target/ppc/translate_init.c.inc +++ b/target/ppc/translate_init.c.inc @@ -10960,6 +10960,7 @@ static const TypeInfo ppc_cpu_type_info =3D { .name =3D TYPE_POWERPC_CPU, .parent =3D TYPE_CPU, .instance_size =3D sizeof(PowerPCCPU), + .instance_align =3D __alignof__(PowerPCCPU), .instance_init =3D ppc_cpu_instance_init, .instance_finalize =3D ppc_cpu_instance_finalize, .abstract =3D true, --=20 2.25.1 From nobody Fri Apr 19 05:41:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; 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Tue, 15 Sep 2020 17:46:46 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 5/6] target/riscv: Set instance_align on RISCVCPU TypeInfo Date: Tue, 15 Sep 2020 17:46:37 -0700 Message-Id: <20200916004638.2444147-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200916004638.2444147-1-richard.henderson@linaro.org> References: <20200916004638.2444147-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::102e; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102e.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-riscv@nongnu.org, Alistair Francis Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Fix alignment of CPURISCVState.vreg. Signed-off-by: Richard Henderson Reviewed-by: Alistair Francis --- Cc: Alistair Francis Cc: qemu-riscv@nongnu.org --- target/riscv/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 57c006df5d..0bbfd7f457 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -628,6 +628,7 @@ static const TypeInfo riscv_cpu_type_infos[] =3D { .name =3D TYPE_RISCV_CPU, .parent =3D TYPE_CPU, .instance_size =3D sizeof(RISCVCPU), + .instance_align =3D __alignof__(RISCVCPU), .instance_init =3D riscv_cpu_init, .abstract =3D true, .class_size =3D sizeof(RISCVCPUClass), --=20 2.25.1 From nobody Fri Apr 19 05:41:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1600217444; cv=none; 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Tue, 15 Sep 2020 17:46:47 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 6/6] target/s390x: Set instance_align on S390CPU TypeInfo Date: Tue, 15 Sep 2020 17:46:38 -0700 Message-Id: <20200916004638.2444147-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200916004638.2444147-1-richard.henderson@linaro.org> References: <20200916004638.2444147-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::442; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x442.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-s390x@nongnu.org, Cornelia Huck , David Hildenbrand Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Fix alignment of CPUS390XState.vregs. Signed-off-by: Richard Henderson --- Cc: David Hildenbrand Cc: Cornelia Huck Cc: qemu-s390x@nongnu.org --- target/s390x/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index 749cd548f0..e350edc9f5 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -517,6 +517,7 @@ static const TypeInfo s390_cpu_type_info =3D { .name =3D TYPE_S390_CPU, .parent =3D TYPE_CPU, .instance_size =3D sizeof(S390CPU), + .instance_align =3D __alignof__(S390CPU), .instance_init =3D s390_cpu_initfn, .instance_finalize =3D s390_cpu_finalize, .abstract =3D true, --=20 2.25.1