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Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull EFI fixes from Ingo Molnar:
 "Two fixes: a regression/crash fix, and a message output fix"

* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi/arm: Fix the format of EFI debug messages
  efi: Fix for_each_efi_memory_desc_in_map() for empty memmaps
This commit is contained in:
Linus Torvalds 2016-06-10 10:47:22 -07:00
commit 606c17f4e9
2 changed files with 7 additions and 9 deletions
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14
drivers/firmware/efi/arm-init.c
View File

@ -174,6 +174,7 @@ static __init void reserve_regions(void)
{
efi_memory_desc_t *md;
u64 paddr, npages, size;
int resv;
if (efi_enabled(EFI_DBG))
pr_info("Processing EFI memory map:\n");
@ -190,12 +191,14 @@ static __init void reserve_regions(void)
paddr = md->phys_addr;
npages = md->num_pages;
resv = is_reserve_region(md);
if (efi_enabled(EFI_DBG)) {
char buf[64];
pr_info(" 0x%012llx-0x%012llx %s",
pr_info(" 0x%012llx-0x%012llx %s%s\n",
paddr, paddr + (npages << EFI_PAGE_SHIFT) - 1,
efi_md_typeattr_format(buf, sizeof(buf), md));
efi_md_typeattr_format(buf, sizeof(buf), md),
resv ? "*" : "");
}
memrange_efi_to_native(&paddr, &npages);
@ -204,14 +207,9 @@ static __init void reserve_regions(void)
if (is_normal_ram(md))
early_init_dt_add_memory_arch(paddr, size);
if (is_reserve_region(md)) {
if (resv)
memblock_mark_nomap(paddr, size);
if (efi_enabled(EFI_DBG))
pr_cont("*");
}
if (efi_enabled(EFI_DBG))
pr_cont("\n");
}
set_bit(EFI_MEMMAP, &efi.flags);

2
include/linux/efi.h
View File

@ -1005,7 +1005,7 @@ extern int efi_memattr_apply_permissions(struct mm_struct *mm,
/* Iterate through an efi_memory_map */
#define for_each_efi_memory_desc_in_map(m, md) \
for ((md) = (m)->map; \
(md) <= (efi_memory_desc_t *)((m)->map_end - (m)->desc_size); \
((void *)(md) + (m)->desc_size) <= (m)->map_end; \
(md) = (void *)(md) + (m)->desc_size)
/**