[RFC PATCH v1 10/10] riscv: Enable APEI and NMI safe cmpxchg options required for RAS

Himanshu Chauhan hchauhan at ventanamicro.com
Thu Feb 27 04:36:28 PST 2025


Enable the APEI option so that APEI GHES options are visible.
Enable SAFE_CMPXCHG option required for GHES error handling.

Signed-off-by: Himanshu Chauhan <hchauhan at ventanamicro.com>
---
 arch/riscv/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 7612c52e9b1e..baf97a4f6830 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -54,6 +54,7 @@ config RISCV
 	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 	select ARCH_HAS_UBSAN
 	select ARCH_HAS_VDSO_TIME_DATA
+	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select ARCH_KEEP_MEMBLOCK if ACPI
 	select ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE	if 64BIT && MMU
 	select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
@@ -175,6 +176,7 @@ config RISCV
 	select HAVE_MOVE_PUD
 	select HAVE_PAGE_SIZE_4KB
 	select HAVE_PCI
+	select HAVE_ACPI_APEI if ACPI
 	select HAVE_PERF_EVENTS
 	select HAVE_PERF_REGS
 	select HAVE_PERF_USER_STACK_DUMP
-- 
2.43.0




More information about the linux-riscv mailing list