diff options
Diffstat (limited to 'arch/powerpc/kernel/fadump.c')
| -rw-r--r-- | arch/powerpc/kernel/fadump.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 7d47d4bb7d6e..7e7056382d98 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -313,6 +313,10 @@ static unsigned long get_fadump_area_size(void) size += sizeof(struct elf_phdr) * (memblock_num_regions(memory) + 2); size = PAGE_ALIGN(size); + + /* This is to hold kernel metadata on platforms that support it */ + size += (fw_dump.ops->fadump_get_metadata_size ? + fw_dump.ops->fadump_get_metadata_size() : 0); return size; } @@ -348,6 +352,7 @@ int __init fadump_reserve_mem(void) pr_info("Firmware-Assisted Dump is not supported on this hardware\n"); goto error_out; } + /* * Initialize boot memory size * If dump is active then we have already calculated the size during @@ -426,8 +431,21 @@ int __init fadump_reserve_mem(void) base += size; } - if ((base > (mem_boundary - size)) || - memblock_reserve(base, size)) { + if (base > (mem_boundary - size)) { + pr_err("Failed to find memory chunk for reservation!\n"); + goto error_out; + } + fw_dump.reserve_dump_area_start = base; + + /* + * Calculate the kernel metadata address and register it with + * f/w if the platform supports. + */ + if (fw_dump.ops->fadump_setup_metadata && + (fw_dump.ops->fadump_setup_metadata(&fw_dump) < 0)) + goto error_out; + + if (memblock_reserve(base, size)) { pr_err("Failed to reserve memory!\n"); goto error_out; } @@ -435,7 +453,6 @@ int __init fadump_reserve_mem(void) pr_info("Reserved %lldMB of memory at %#016llx (System RAM: %lldMB)\n", (size >> 20), base, (memblock_phys_mem_size() >> 20)); - fw_dump.reserve_dump_area_start = base; ret = fadump_cma_init(); } |