diff options
Diffstat (limited to 'arch/powerpc/kexec')
| -rw-r--r-- | arch/powerpc/kexec/core.c | 15 | ||||
| -rw-r--r-- | arch/powerpc/kexec/core_64.c | 3 |
2 files changed, 12 insertions, 6 deletions
diff --git a/arch/powerpc/kexec/core.c b/arch/powerpc/kexec/core.c index 8b68d9f91a03..abf5897ae88c 100644 --- a/arch/powerpc/kexec/core.c +++ b/arch/powerpc/kexec/core.c @@ -134,11 +134,18 @@ void __init reserve_crashkernel(void) if (!crashk_res.start) { #ifdef CONFIG_PPC64 /* - * On 64bit we split the RMO in half but cap it at half of - * a small SLB (128MB) since the crash kernel needs to place - * itself and some stacks to be in the first segment. + * On the LPAR platform place the crash kernel to mid of + * RMA size (512MB or more) to ensure the crash kernel + * gets enough space to place itself and some stack to be + * in the first segment. At the same time normal kernel + * also get enough space to allocate memory for essential + * system resource in the first segment. Keep the crash + * kernel starts at 128MB offset on other platforms. */ - crashk_res.start = min(0x8000000ULL, (ppc64_rma_size / 2)); + if (firmware_has_feature(FW_FEATURE_LPAR)) + crashk_res.start = ppc64_rma_size / 2; + else + crashk_res.start = min(0x8000000ULL, (ppc64_rma_size / 2)); #else crashk_res.start = KDUMP_KERNELBASE; #endif diff --git a/arch/powerpc/kexec/core_64.c b/arch/powerpc/kexec/core_64.c index 635b5fc30b53..6cc7793b8420 100644 --- a/arch/powerpc/kexec/core_64.c +++ b/arch/powerpc/kexec/core_64.c @@ -28,7 +28,6 @@ #include <asm/prom.h> #include <asm/smp.h> #include <asm/hw_breakpoint.h> -#include <asm/asm-prototypes.h> #include <asm/svm.h> #include <asm/ultravisor.h> @@ -291,7 +290,7 @@ static union thread_union kexec_stack __init_task_data = * For similar reasons to the stack above, the kexecing CPU needs to be on a * static PACA; we switch to kexec_paca. */ -struct paca_struct kexec_paca; +static struct paca_struct kexec_paca; /* Our assembly helper, in misc_64.S */ extern void kexec_sequence(void *newstack, unsigned long start, |