[GIT PULL] EFI fixes
From: Ingo Molnar
Date: Fri Jun 10 2016 - 08:36:52 EST
Linus,
Please pull the latest efi-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git efi-urgent-for-linus
# HEAD: c75343972b79ef5bd44c498a63b326e37470bbfc efi/arm: Fix the format of EFI debug messages
Two fixes: a regression/crash fix, and a message output fix.
Thanks,
Ingo
------------------>
Dennis Chen (1):
efi/arm: Fix the format of EFI debug messages
Vitaly Kuznetsov (1):
efi: Fix for_each_efi_memory_desc_in_map() for empty memmaps
drivers/firmware/efi/arm-init.c | 14 ++++++--------
include/linux/efi.h | 2 +-
2 files changed, 7 insertions(+), 9 deletions(-)
diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c
index a850cbc48d8d..c49d50e68aee 100644
--- a/drivers/firmware/efi/arm-init.c
+++ b/drivers/firmware/efi/arm-init.c
@@ -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);
diff --git a/include/linux/efi.h b/include/linux/efi.h
index c2db3ca22217..f196dd0b0f2f 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -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)
/**