Messages in this thread Patch in this message | | | From | Yinghai Lu <> | Subject | [PATCH 01/42] x86, kasl: Remove not needed parameter for choose_kernel_location | Date | Tue, 7 Jul 2015 13:19:47 -0700 |
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real_mode is global variable, so we do not need to pass it around.
Signed-off-by: Yinghai Lu <yinghai@kernel.org> --- arch/x86/boot/compressed/aslr.c | 5 ++--- arch/x86/boot/compressed/misc.c | 2 +- arch/x86/boot/compressed/misc.h | 6 ++---- 3 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c index d7b1f65..71520c4 100644 --- a/arch/x86/boot/compressed/aslr.c +++ b/arch/x86/boot/compressed/aslr.c @@ -295,8 +295,7 @@ static unsigned long find_random_addr(unsigned long minimum, return slots_fetch_random(); } -unsigned char *choose_kernel_location(struct boot_params *boot_params, - unsigned char *input, +unsigned char *choose_kernel_location(unsigned char *input, unsigned long input_size, unsigned char *output, unsigned long output_size) @@ -316,7 +315,7 @@ unsigned char *choose_kernel_location(struct boot_params *boot_params, } #endif - boot_params->hdr.loadflags |= KASLR_FLAG; + real_mode->hdr.loadflags |= KASLR_FLAG; /* Record the various known unsafe memory ranges. */ mem_avoid_init((unsigned long)input, input_size, diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index a107b93..ebf72ce 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -404,7 +404,7 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap, * the entire decompressed kernel plus relocation table, or the * entire decompressed kernel plus .bss and .brk sections. */ - output = choose_kernel_location(real_mode, input_data, input_len, output, + output = choose_kernel_location(input_data, input_len, output, output_len > run_size ? output_len : run_size); diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h index 805d25c..8c96cc5 100644 --- a/arch/x86/boot/compressed/misc.h +++ b/arch/x86/boot/compressed/misc.h @@ -56,8 +56,7 @@ int cmdline_find_option_bool(const char *option); #if CONFIG_RANDOMIZE_BASE /* aslr.c */ -unsigned char *choose_kernel_location(struct boot_params *boot_params, - unsigned char *input, +unsigned char *choose_kernel_location(unsigned char *input, unsigned long input_size, unsigned char *output, unsigned long output_size); @@ -65,8 +64,7 @@ unsigned char *choose_kernel_location(struct boot_params *boot_params, bool has_cpuflag(int flag); #else static inline -unsigned char *choose_kernel_location(struct boot_params *boot_params, - unsigned char *input, +unsigned char *choose_kernel_location(unsigned char *input, unsigned long input_size, unsigned char *output, unsigned long output_size) -- 1.8.4.5
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