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authorArd Biesheuvel <ardb@kernel.org>2019-12-24 16:10:15 +0100
committerIngo Molnar <mingo@kernel.org>2019-12-25 10:49:21 +0100
commit2fcdad2a80a6d6fd0f77205108232d1adc709a84 (patch)
tree4d12a5ef34b8ad820b6d3da89a967087cf9eb843 /arch/arm64/include/asm/efi.h
parent14e900c7e4033d6ee3398b9f133e1716cc072401 (diff)
efi/libstub: Get rid of 'sys_table_arg' macro parameter
The efi_call macros on ARM have a dependency on a variable 'sys_table_arg' existing in the scope of the macro instantiation. Since this variable always points to the same data structure, let's create a global getter for it and use that instead. Note that the use of a global variable with external linkage is avoided, given the problems we had in the past with early processing of the GOT tables. While at it, drop the redundant casts in the efi_table_attr and efi_call_proto macros. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Cc: Arvind Sankar <nivedita@alum.mit.edu> Cc: Borislav Petkov <bp@alien8.de> Cc: James Morse <james.morse@arm.com> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-efi@vger.kernel.org Link: https://lkml.kernel.org/r/20191224151025.32482-16-ardb@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm/efi.h')
-rw-r--r--arch/arm64/include/asm/efi.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h
index 189082c44c28..9aa518d67588 100644
--- a/arch/arm64/include/asm/efi.h
+++ b/arch/arm64/include/asm/efi.h
@@ -93,15 +93,15 @@ static inline unsigned long efi_get_max_initrd_addr(unsigned long dram_base,
return (image_addr & ~(SZ_1G - 1UL)) + (1UL << (VA_BITS_MIN - 1));
}
-#define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__)
-#define efi_call_runtime(f, ...) sys_table_arg->runtime->f(__VA_ARGS__)
+#define efi_call_early(f, ...) efi_system_table()->boottime->f(__VA_ARGS__)
+#define efi_call_runtime(f, ...) efi_system_table()->runtime->f(__VA_ARGS__)
#define efi_is_native() (true)
#define efi_table_attr(table, attr, instance) \
- ((table##_t *)instance)->attr
+ instance->attr
#define efi_call_proto(protocol, f, instance, ...) \
- ((protocol##_t *)instance)->f(instance, ##__VA_ARGS__)
+ instance->f(instance, ##__VA_ARGS__)
#define alloc_screen_info(x...) &screen_info