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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1759817386; 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=w8IYKKBCxd4zknSaeSpWUy8oz0F7UunXAIvJf0fWR40=; b=RwugaeNSNcwNW5RBvQ4m7IYRICyD4IEjNNGePJie17FXHgOLbuN29/m0pucepM6YdRFvSv 6BjuB4mUm+IekfHnuRuEz8Rwa36z5sOHNjl0fwGAbktHG7B/7Uyy2r1nuexq/ncZNmkILW ZJaZDpqv1tBk1v0f+gBwwF8/Ry3cOFo= X-MC-Unique: q7A829CsPrShzVYPns7-RA-1 X-Mimecast-MFC-AGG-ID: q7A829CsPrShzVYPns7-RA_1759817316 From: Gavin Shan To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, mst@redhat.com, imammedo@redhat.com, anisinha@redhat.com, gengdongjiu1@gmail.com, peter.maydell@linaro.org, pbonzini@redhat.com, mchehab+huawei@kernel.org, Jonathan.Cameron@huawei.com, shan.gavin@gmail.com Subject: [PATCH RESEND v2 2/3] kvm/arm/kvm: Introduce helper push_ghes_memory_errors() Date: Tue, 7 Oct 2025 16:08:09 +1000 Message-ID: <20251007060810.258536-3-gshan@redhat.com> In-Reply-To: <20251007060810.258536-1-gshan@redhat.com> References: <20251007060810.258536-1-gshan@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Introduce helper push_ghes_memory_errors(), which sends ACPI GHES memory errors, injects SEA exception or aborts on errors. This function will be extended to support multiple ACPI GHES memory errors in the next path. No functional changes intended. Signed-off-by: Gavin Shan --- target/arm/kvm.c | 36 ++++++++++++++++++++++++------------ 1 file changed, 24 insertions(+), 12 deletions(-) diff --git a/target/arm/kvm.c b/target/arm/kvm.c index 9a47ac9e3a..c5d5b3b16e 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -2429,12 +2429,34 @@ int kvm_arch_get_registers(CPUState *cs, Error **er= rp) return ret; } =20 +static void push_ghes_memory_errors(CPUState *c, AcpiGhesState *ags, + uint64_t paddr) +{ + GArray *addresses =3D g_array_new(false, false, sizeof(paddr)); + int ret; + + kvm_cpu_synchronize_state(c); + g_array_append_vals(addresses, &paddr, 1); + ret =3D acpi_ghes_memory_errors(ags, ACPI_HEST_SRC_ID_SYNC, addresses); + if (ret) { + goto error; + } + + kvm_inject_arm_sea(c); + + g_array_free(addresses, true); + + return; +error: + error_report("failed to record the error"); + abort(); +} + void kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr) { ram_addr_t ram_addr; hwaddr paddr; AcpiGhesState *ags; - GArray *addresses; =20 assert(code =3D=3D BUS_MCEERR_AR || code =3D=3D BUS_MCEERR_AO); =20 @@ -2443,7 +2465,6 @@ void kvm_arch_on_sigbus_vcpu(CPUState *c, int code, v= oid *addr) ram_addr =3D qemu_ram_addr_from_host(addr); if (ram_addr !=3D RAM_ADDR_INVALID && kvm_physical_memory_addr_from_host(c->kvm_state, addr, &paddr)= ) { - addresses =3D g_array_new(false, false, sizeof(paddr)); kvm_hwpoison_page_add(ram_addr); /* * If this is a BUS_MCEERR_AR, we know we have been called @@ -2456,19 +2477,10 @@ void kvm_arch_on_sigbus_vcpu(CPUState *c, int code,= void *addr) * later from the main thread, so doing the injection of * the error would be more complicated. */ - g_array_append_vals(addresses, &paddr, 1); if (code =3D=3D BUS_MCEERR_AR) { - kvm_cpu_synchronize_state(c); - if (!acpi_ghes_memory_errors(ags, ACPI_HEST_SRC_ID_SYNC, - addresses)) { - kvm_inject_arm_sea(c); - } else { - error_report("failed to record the error"); - abort(); - } + push_ghes_memory_errors(c, ags, paddr); } =20 - g_array_free(addresses, true); return; } if (code =3D=3D BUS_MCEERR_AO) { --=20 2.51.0