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| author | Sam Ravnborg <sam@ravnborg.org> | 2009-04-29 09:47:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-29 10:20:32 +0200 |
| commit | 1f6397bac55040cd520d9eaf299e155a7aa01d5f (patch) | |
| tree | 991bccc160d0e5e1825da18b4ca899d1e5f7b14f /arch/x86/kernel/vmlinux_32.lds.S | |
| parent | 448bc3ab0d03e77fee8e4264de0d001fc87bc164 (diff) | |
| download | linux-1f6397bac55040cd520d9eaf299e155a7aa01d5f.tar.gz linux-1f6397bac55040cd520d9eaf299e155a7aa01d5f.tar.bz2 linux-1f6397bac55040cd520d9eaf299e155a7aa01d5f.zip | |
x86, vmlinux.lds: unify data output sections
For 64 bit the following functional changes are introduced:
- .data.page_aligned has moved
- .data.cacheline_aligned has moved
- .data.read_mostly has moved
- ALIGN() moved out of output section for .data.cacheline_aligned
- ALIGN() moved out of output section for .data.page_aligned
Notice that 32 bit and 64 bit has different location of _edata.
.data_nosave is 32 bit only as 64 bit is special due to PERCPU.
[ Impact: 32-bit: cleanup, 64-bit: use 32-bit linker script ]
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Tim Abbott <tabbott@MIT.EDU>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
LKML-Reference: <1240991249-27117-7-git-send-email-sam@ravnborg.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/vmlinux_32.lds.S')
| -rw-r--r-- | arch/x86/kernel/vmlinux_32.lds.S | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S index 920cc6989cc7..8ade84687b2d 100644 --- a/arch/x86/kernel/vmlinux_32.lds.S +++ b/arch/x86/kernel/vmlinux_32.lds.S @@ -1,40 +1,3 @@ - /* writeable */ - . = ALIGN(PAGE_SIZE); - /* Data */ - .data : AT(ADDR(.data) - LOAD_OFFSET) { - DATA_DATA - CONSTRUCTORS - } :data - - . = ALIGN(PAGE_SIZE); - .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { - __nosave_begin = .; - *(.data.nosave) - . = ALIGN(PAGE_SIZE); - __nosave_end = .; - } - - . = ALIGN(PAGE_SIZE); - .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) { - *(.data.page_aligned) - *(.data.idt) - } - - . = ALIGN(32); - .data.cacheline_aligned : - AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) { - *(.data.cacheline_aligned) - } - - /* rarely changed data like cpu maps */ - . = ALIGN(32); - .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { - *(.data.read_mostly) - - /* End of data section */ - _edata = .; - } - /* init_task */ . = ALIGN(THREAD_SIZE); .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) { |