aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/kexec-bzimage64.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/kexec-bzimage64.c')
-rw-r--r--arch/x86/kernel/kexec-bzimage64.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c
index 278cd07228dd..1f3b77367948 100644
--- a/arch/x86/kernel/kexec-bzimage64.c
+++ b/arch/x86/kernel/kexec-bzimage64.c
@@ -167,6 +167,9 @@ setup_efi_state(struct boot_params *params, unsigned long params_load_addr,
struct efi_info *current_ei = &boot_params.efi_info;
struct efi_info *ei = &params->efi_info;
+ if (!efi_enabled(EFI_RUNTIME_SERVICES))
+ return 0;
+
if (!current_ei->efi_memmap_size)
return 0;
@@ -215,6 +218,9 @@ setup_boot_parameters(struct kimage *image, struct boot_params *params,
params->screen_info.ext_mem_k = 0;
params->alt_mem_k = 0;
+ /* Always fill in RSDP: it is either 0 or a valid value */
+ params->acpi_rsdp_addr = boot_params.acpi_rsdp_addr;
+
/* Default APM info */
memset(&params->apm_bios_info, 0, sizeof(params->apm_bios_info));
@@ -253,7 +259,6 @@ setup_boot_parameters(struct kimage *image, struct boot_params *params,
setup_efi_state(params, params_load_addr, efi_map_offset, efi_map_sz,
efi_setup_data_offset);
#endif
-
/* Setup EDD info */
memcpy(params->eddbuf, boot_params.eddbuf,
EDDMAXNR * sizeof(struct edd_info));
@@ -434,6 +439,7 @@ static void *bzImage64_load(struct kimage *image, char *kernel,
kbuf.memsz = PAGE_ALIGN(header->init_size);
kbuf.buf_align = header->kernel_alignment;
kbuf.buf_min = MIN_KERNEL_LOAD_ADDR;
+ kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
ret = kexec_add_buffer(&kbuf);
if (ret)
goto out_free_params;
@@ -448,6 +454,7 @@ static void *bzImage64_load(struct kimage *image, char *kernel,
kbuf.bufsz = kbuf.memsz = initrd_len;
kbuf.buf_align = PAGE_SIZE;
kbuf.buf_min = MIN_INITRD_LOAD_ADDR;
+ kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
ret = kexec_add_buffer(&kbuf);
if (ret)
goto out_free_params;