Commit-ID: 21f866257c7027f8f49bfde83f559f9e58f9ee93
Gitweb: http://git.kernel.org/tip/21f866257c7027f8f49bfde83f559f9e58f9ee93
Author: Alex Thorlton <athorlton@xxxxxxx>
AuthorDate: Sat, 25 Jun 2016 08:20:29 +0100
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 27 Jun 2016 13:06:57 +0200
x86/efi: Update efi_thunk() to use the the arch_efi_call_virt*() macros
Currently, the efi_thunk macro has some semi-duplicated code in it that
can be replaced with the arch_efi_call_virt_setup/teardown macros. This
commit simply replaces the duplicated code with those macros.
Suggested-by: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Alex Thorlton <athorlton@xxxxxxx>
Signed-off-by: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
Cc: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Dimitri Sivanich <sivanich@xxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Roy Franz <roy.franz@xxxxxxxxxx>
Cc: Russ Anderson <rja@xxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-efi@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1466839230-12781-7-git-send-email-matt@xxxxxxxxxxxxxxxxxxx
[ Renamed variables to the standard __ prefix. ]
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/platform/efi/efi_64.c | 21 ++++++++-------------
1 file changed, 8 insertions(+), 13 deletions(-)
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index b226b3f..5cb4301 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -466,22 +466,17 @@ extern efi_status_t efi64_thunk(u32, ...);
#define efi_thunk(f, ...) \
({ \
efi_status_t __s; \
- unsigned long flags; \
- u32 func; \
+ unsigned long __flags; \
+ u32 __func; \
\
- efi_sync_low_kernel_mappings(); \
- local_irq_save(flags); \
+ local_irq_save(__flags); \
+ arch_efi_call_virt_setup(); \
\
- efi_scratch.prev_cr3 = read_cr3(); \
- write_cr3((unsigned long)efi_scratch.efi_pgt); \
- __flush_tlb_all(); \
+ __func = runtime_service32(f); \
+ __s = efi64_thunk(__func, __VA_ARGS__); \
\
- func = runtime_service32(f); \
- __s = efi64_thunk(func, __VA_ARGS__); \
- \
- write_cr3(efi_scratch.prev_cr3); \
- __flush_tlb_all(); \
- local_irq_restore(flags); \
+ arch_efi_call_virt_teardown(); \
+ local_irq_restore(__flags); \
\
__s; \
})
--
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