[RFC PATCH v1 3/3] arm64/apei: get error address from memory section for recovery
From: Xie XiuQi <hidden>
Date: 2017-09-01 10:31:19
Also in:
linux-acpi, lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
In some platform, when SEA triggerred, physical address might be reported by memory section, so we save it for error recovery later. Signed-off-by: Xie XiuQi <redacted> --- arch/arm64/kernel/ras.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/arch/arm64/kernel/ras.c b/arch/arm64/kernel/ras.c
index 8562ec7..2b400b8 100644
--- a/arch/arm64/kernel/ras.c
+++ b/arch/arm64/kernel/ras.c@@ -136,3 +136,20 @@ void arm_proc_error_check(struct ghes *ghes, struct cper_sec_proc_arm *err) if (!ret) set_thread_flag(TIF_SEA_NOTIFY); } + +void arch_apei_report_mem_error(struct ghes *ghes, int sev, + struct cper_sec_mem_err *mem) +{ + int ret = -1; + + if ((ghes->generic->notify.type != ACPI_HEST_NOTIFY_SEA) || + (ghes->estatus->error_severity != CPER_SEV_RECOVERABLE)) + return; + + if (mem->validation_bits & CPER_MEM_VALID_PA) { + ret = sea_save_info(mem->physical_addr); + } + + if (!ret) + set_thread_flag(TIF_SEA_NOTIFY); +}
--
1.8.3.1