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| author | Yinghai Lu <yinghai@kernel.org> | 2013-01-24 12:20:08 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-29 19:32:57 -0800 |
| commit | d1af6d045fba6b070fa81f54dfe9227214be99ea (patch) | |
| tree | 47f4176e5475726702b7ea9cf87fca1f38211bbf | |
| parent | 8ee2f2dfdbdfe1851fcc0191b2d4faa4c26a39fb (diff) | |
| download | op-kernel-dev-d1af6d045fba6b070fa81f54dfe9227214be99ea.zip op-kernel-dev-d1af6d045fba6b070fa81f54dfe9227214be99ea.tar.gz | |
x86, boot: Not need to check setup_header version for setup_data
That is for bootloaders.
setup_data is in setup_header, and bootloader is copying that from bzImage.
So for old bootloader should keep that as 0 already.
old kexec-tools till now for elf image set setup_data to 0, so it is ok.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1359058816-7615-28-git-send-email-yinghai@kernel.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| -rw-r--r-- | arch/x86/kernel/setup.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 519f2bc..b80bee1 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -439,8 +439,6 @@ static void __init parse_setup_data(void) struct setup_data *data; u64 pa_data; - if (boot_params.hdr.version < 0x0209) - return; pa_data = boot_params.hdr.setup_data; while (pa_data) { u32 data_len, map_len; @@ -476,8 +474,6 @@ static void __init e820_reserve_setup_data(void) u64 pa_data; int found = 0; - if (boot_params.hdr.version < 0x0209) - return; pa_data = boot_params.hdr.setup_data; while (pa_data) { data = early_memremap(pa_data, sizeof(*data)); @@ -501,8 +497,6 @@ static void __init memblock_x86_reserve_range_setup_data(void) struct setup_data *data; u64 pa_data; - if (boot_params.hdr.version < 0x0209) - return; pa_data = boot_params.hdr.setup_data; while (pa_data) { data = early_memremap(pa_data, sizeof(*data)); |
