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authorRob Clark <robdclark@gmail.com>2017-09-13 22:05:36 (GMT)
committerAlexander Graf <agraf@suse.de>2017-09-20 08:48:09 (GMT)
commit946160f334ddaf2dd0dfd4bc72485f9ce39dc2cd (patch)
tree3aa3178232473b99931ff1b77987b7f356bbf01b /lib
parent838ee4b4798629ed88254e431cf17d4955b793bf (diff)
downloadu-boot-946160f334ddaf2dd0dfd4bc72485f9ce39dc2cd.tar.xz
efi_loader: make pool allocations cacheline aligned
This avoids printf() spam about file reads (such as loading an image) into unaligned buffers (and the associated memcpy()). And generally seems like a good idea. Signed-off-by: Rob Clark <robdclark@gmail.com> [agraf: use __aligned] Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'lib')
-rw-r--r--lib/efi_loader/efi_memory.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c
index 9e079f1..d47759e 100644
--- a/lib/efi_loader/efi_memory.c
+++ b/lib/efi_loader/efi_memory.c
@@ -43,7 +43,7 @@ void *efi_bounce_buffer;
*/
struct efi_pool_allocation {
u64 num_pages;
- char data[];
+ char data[] __aligned(ARCH_DMA_MINALIGN);
};
/*
@@ -356,7 +356,8 @@ efi_status_t efi_allocate_pool(int pool_type, unsigned long size,
{
efi_status_t r;
efi_physical_addr_t t;
- u64 num_pages = (size + sizeof(u64) + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
+ u64 num_pages = (size + sizeof(struct efi_pool_allocation) +
+ EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
if (size == 0) {
*buffer = NULL;