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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-09 12:16:59 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-09 12:16:59 +0100 |
| commit | eca217b36e5d7d4377493d5cedd89105e66a5a72 (patch) | |
| tree | 71f0ecd5225c3033d509b77a23ad7bc576cf0ab6 /include | |
| parent | xen: set irq_chip disable (diff) | |
| parent | xen: use direct ops on 64-bit (diff) | |
| download | linux-eca217b36e5d7d4377493d5cedd89105e66a5a72.tar.xz linux-eca217b36e5d7d4377493d5cedd89105e66a5a72.zip | |
Merge branch 'x86/paravirt' into x86/apic
Conflicts:
arch/x86/mach-voyager/voyager_smp.c
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index f3180a85c66a..5406e70aba86 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -445,24 +445,22 @@ * section in the linker script will go there too. @phdr should have * a leading colon. * - * This macro defines three symbols, __per_cpu_load, __per_cpu_start - * and __per_cpu_end. The first one is the vaddr of loaded percpu - * init data. __per_cpu_start equals @vaddr and __per_cpu_end is the - * end offset. + * Note that this macros defines __per_cpu_load as an absolute symbol. + * If there is no need to put the percpu section at a predetermined + * address, use PERCPU(). */ #define PERCPU_VADDR(vaddr, phdr) \ - VMLINUX_SYMBOL(__per_cpu_load_abs) = .; \ - .data.percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load_abs) \ + VMLINUX_SYMBOL(__per_cpu_load) = .; \ + .data.percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \ - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__per_cpu_start) = .; \ - VMLINUX_SYMBOL(__per_cpu_load) = LOADADDR(.data.percpu) + LOAD_OFFSET;\ *(.data.percpu.first) \ *(.data.percpu.page_aligned) \ *(.data.percpu) \ *(.data.percpu.shared_aligned) \ VMLINUX_SYMBOL(__per_cpu_end) = .; \ } phdr \ - . = VMLINUX_SYMBOL(__per_cpu_load_abs) + SIZEOF(.data.percpu); + . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data.percpu); /** * PERCPU - define output section for percpu area, simple version @@ -471,7 +469,20 @@ * Align to @align and outputs output section for percpu area. This * macro doesn't maniuplate @vaddr or @phdr and __per_cpu_load and * __per_cpu_start will be identical. + * + * This macro is equivalent to ALIGN(align); PERCPU_VADDR( , ) except + * that __per_cpu_load is defined as a relative symbol against + * .data.percpu which is required for relocatable x86_32 + * configuration. */ #define PERCPU(align) \ . = ALIGN(align); \ - PERCPU_VADDR( , ) + .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__per_cpu_load) = .; \ + VMLINUX_SYMBOL(__per_cpu_start) = .; \ + *(.data.percpu.first) \ + *(.data.percpu.page_aligned) \ + *(.data.percpu) \ + *(.data.percpu.shared_aligned) \ + VMLINUX_SYMBOL(__per_cpu_end) = .; \ + } |