{"id":2216012,"url":"http://patchwork.ozlabs.org/api/patches/2216012/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260325164453.72127-20-pbonzini@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260325164453.72127-20-pbonzini@redhat.com>","list_archive_url":null,"date":"2026-03-25T16:44:53","name":"[PULL,19/19] target/i386: emulate: follow priv_check_exempt","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"627229fac607ec402b9e1830241c4ccab5a9448e","submitter":{"id":2701,"url":"http://patchwork.ozlabs.org/api/people/2701/?format=json","name":"Paolo Bonzini","email":"pbonzini@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260325164453.72127-20-pbonzini@redhat.com/mbox/","series":[{"id":497473,"url":"http://patchwork.ozlabs.org/api/series/497473/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497473","date":"2026-03-25T16:44:34","name":"[PULL,01/19] tests/functional: preserve PYTHONPATH entries","version":1,"mbox":"http://patchwork.ozlabs.org/series/497473/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2216012/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2216012/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 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DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-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":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Mohamed Mediouni \n\nFollow priv_check_exempt flag argument for\nx86_write_mem_priv/x86_read_mem_priv.\n\nSigned-off-by: Mohamed Mediouni \nLink: https://lore.kernel.org/r/20260324230016.80914-3-mohamed@unpredictable.fr\nSigned-off-by: Paolo Bonzini \n---\n target/i386/emulate/x86_mmu.c | 14 ++++++++++++--\n 1 file changed, 12 insertions(+), 2 deletions(-)","diff":"diff --git a/target/i386/emulate/x86_mmu.c b/target/i386/emulate/x86_mmu.c\nindex 1aa373f5b38..c69ae96acb7 100644\n--- a/target/i386/emulate/x86_mmu.c\n+++ b/target/i386/emulate/x86_mmu.c\n@@ -263,14 +263,19 @@ static MMUTranslateResult x86_write_mem_ex(CPUState *cpu, void *data, target_ulo\n CPUX86State *env = &x86_cpu->env;\n \n MMUTranslateResult translate_res = MMU_TRANSLATE_SUCCESS;\n+ MMUTranslateFlags translate_flags = MMU_TRANSLATE_VALIDATE_WRITE;\n MemTxResult mem_tx_res;\n uint64_t gpa;\n \n+ if (priv_check_exempt) {\n+ translate_flags |= MMU_TRANSLATE_PRIV_CHECKS_EXEMPT;\n+ }\n+\n while (bytes > 0) {\n /* copy page */\n int copy = MIN(bytes, 0x1000 - (gva & 0xfff));\n \n- translate_res = mmu_gva_to_gpa(cpu, gva, &gpa, MMU_TRANSLATE_VALIDATE_WRITE);\n+ translate_res = mmu_gva_to_gpa(cpu, gva, &gpa, translate_flags);\n if (translate_res) {\n int error_code = translate_res_to_error_code(translate_res, true, is_user(cpu));\n env->cr[2] = gva;\n@@ -311,14 +316,19 @@ static MMUTranslateResult x86_read_mem_ex(CPUState *cpu, void *data, target_ulon\n CPUX86State *env = &x86_cpu->env;\n \n MMUTranslateResult translate_res = MMU_TRANSLATE_SUCCESS;\n+ MMUTranslateFlags translate_flags = 0;\n MemTxResult mem_tx_res;\n uint64_t gpa;\n \n+ if (priv_check_exempt) {\n+ translate_flags |= MMU_TRANSLATE_PRIV_CHECKS_EXEMPT;\n+ }\n+\n while (bytes > 0) {\n /* copy page */\n int copy = MIN(bytes, 0x1000 - (gva & 0xfff));\n \n- translate_res = mmu_gva_to_gpa(cpu, gva, &gpa, 0);\n+ translate_res = mmu_gva_to_gpa(cpu, gva, &gpa, translate_flags);\n if (translate_res) {\n int error_code = translate_res_to_error_code(translate_res, false, is_user(cpu));\n env->cr[2] = gva;\n","prefixes":["PULL","19/19"]}