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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1760631989; 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=RU7Man4KnRGIbs9jMvnj9ufvxV6EUPeaR+Ae0LV/CMk=; b=Hu946loDZ9z6tnUuUJO+4hgLFEfyzHxkPx/Azn39BqcbhsPGPUhbNtmqVbUPo2ULje4A18 qf2bIhjCd/OyatcnJ+8v/PCYpassWjJsmExuhE2xM8hpOUPBSPKQ0gEfVtxyUhWpInqdTa hTN/nHB0aiKbhdXtEFIcMaH1XaF5qrs= X-MC-Unique: GPgSTenWN-SFRTepFfT9oQ-1 X-Mimecast-MFC-AGG-ID: GPgSTenWN-SFRTepFfT9oQ_1760631985 From: Thomas Huth To: qemu-devel@nongnu.org Cc: Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL 09/10] target/s390x/mmu_helper: Simplify s390_cpu_virt_mem_rw() logic Date: Thu, 16 Oct 2025 18:26:00 +0200 Message-ID: <20251016162601.442557-10-thuth@redhat.com> In-Reply-To: <20251016162601.442557-1-thuth@redhat.com> References: <20251016162601.442557-1-thuth@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 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=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1760632111415154100 From: Philippe Mathieu-Daud=C3=A9 In order to simplify the next commit, move the trigger_access_exception() call after the address_space_rw() calls. No logical change intended. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Thomas Huth Message-ID: <20251008141410.99865-2-philmd@linaro.org> Signed-off-by: Thomas Huth --- target/s390x/mmu_helper.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c index 487c41bf933..22d3d4a97df 100644 --- a/target/s390x/mmu_helper.c +++ b/target/s390x/mmu_helper.c @@ -541,9 +541,7 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uin= t8_t ar, void *hostbuf, pages =3D g_malloc(nr_pages * sizeof(*pages)); =20 ret =3D translate_pages(cpu, laddr, nr_pages, pages, is_write, &tec); - if (ret) { - trigger_access_exception(&cpu->env, ret, tec); - } else if (hostbuf !=3D NULL) { + if (ret =3D=3D 0 && hostbuf !=3D NULL) { AddressSpace *as =3D CPU(cpu)->as; =20 /* Copy data by stepping through the area page by page */ @@ -556,6 +554,9 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uin= t8_t ar, void *hostbuf, len -=3D currlen; } } + if (ret) { + trigger_access_exception(&cpu->env, ret, tec); + } =20 g_free(pages); return ret; --=20 2.51.0