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| author | Alex Thorlton <athorlton@sgi.com> | 2016-06-25 08:20:29 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-06-27 13:06:57 +0200 |
| commit | 21f866257c7027f8f49bfde83f559f9e58f9ee93 (patch) | |
| tree | 7166638ab4533b0ee0e52c9bd32eafe0940a238d /arch/x86/platform | |
| parent | d1be84a232e359ca9456c63e72cb0082d68311b6 (diff) | |
| download | linux-21f866257c7027f8f49bfde83f559f9e58f9ee93.tar.gz linux-21f866257c7027f8f49bfde83f559f9e58f9ee93.tar.bz2 linux-21f866257c7027f8f49bfde83f559f9e58f9ee93.zip | |
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@codeblueprint.co.uk>
Signed-off-by: Alex Thorlton <athorlton@sgi.com>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Roy Franz <roy.franz@linaro.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1466839230-12781-7-git-send-email-matt@codeblueprint.co.uk
[ Renamed variables to the standard __ prefix. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/platform')
| -rw-r--r-- | arch/x86/platform/efi/efi_64.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index b226b3f497f1..5cb4301c4dcf 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; \ }) |