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Date: Fri, 10 Jun 2016 14:36:41 +0200 From: Ingo Molnar <mingo@...nel.org> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: linux-kernel@...r.kernel.org, Matt Fleming <matt@...eblueprint.co.uk>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Andrew Morton <akpm@...ux-foundation.org> Subject: [GIT PULL] EFI fixes 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) /**
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