[PATCH kexec-tools 25/32] arm: crashdump needs boot alias of crash kernel region
From: Russell King <hidden>
Date: 2016-05-03 10:23:13
Also in:
kexec
Subsystem:
the rest · Maintainer:
Linus Torvalds
When crashdumping, we need the boot memory alias of the crash kernel region rather than the system view. Arrange to check for the boot alias of the crash kernel region first, and if found, use it instead of the main alias. Signed-off-by: Russell King <redacted> --- kexec/arch/arm/kexec-zImage-arm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/kexec/arch/arm/kexec-zImage-arm.c b/kexec/arch/arm/kexec-zImage-arm.c
index 4755f06..fdd2910 100644
--- a/kexec/arch/arm/kexec-zImage-arm.c
+++ b/kexec/arch/arm/kexec-zImage-arm.c@@ -20,6 +20,7 @@ #include "kexec-arm.h" #include "../../fs2dt.h" #include "crashdump-arm.h" +#include "iomem.h" #define BOOT_PARAMS_SIZE 1536
@@ -446,7 +447,8 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len, * We put the dump capture kernel at the start of crashkernel * reserved memory. */ - if (parse_iomem_single("Crash kernel\n", &start, &end)) { + if (parse_iomem_single(CRASH_KERNEL_BOOT, &start, &end) && + parse_iomem_single(CRASH_KERNEL, &start, &end)) { /* * No crash kernel memory reserved. We cannot do more * but just bail out.
--
1.9.1