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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-08-08 15:14:43 +0100 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-08-08 15:14:43 +0100 |
| commit | 67a4f5634cf869a6a476f21b94a1f09be19627d2 (patch) | |
| tree | a8f918a019f88eadf02019f61373cd83b44a9e20 | |
| parent | 1d82ec977453fe0f352b221536dd0c587b880b0f (diff) | |
| download | xen-67a4f5634cf869a6a476f21b94a1f09be19627d2.tar.gz xen-67a4f5634cf869a6a476f21b94a1f09be19627d2.tar.bz2 xen-67a4f5634cf869a6a476f21b94a1f09be19627d2.zip | |
[XEN] Implement proper __read_mostly memory arrangemengt for x86.
Signed-off-by: Keir Fraser <keir@xensource.com>
| -rw-r--r-- | xen/arch/x86/x86_32/xen.lds.S | 3 | ||||
| -rw-r--r-- | xen/arch/x86/x86_64/xen.lds.S | 3 | ||||
| -rw-r--r-- | xen/include/asm-ia64/linux-xen/asm/cache.h | 2 | ||||
| -rw-r--r-- | xen/include/asm-powerpc/cache.h | 2 | ||||
| -rw-r--r-- | xen/include/asm-x86/cache.h | 2 | ||||
| -rw-r--r-- | xen/include/xen/config.h | 1 |
6 files changed, 12 insertions, 1 deletions
diff --git a/xen/arch/x86/x86_32/xen.lds.S b/xen/arch/x86/x86_32/xen.lds.S index f58bd191f5..a44bf8701b 100644 --- a/xen/arch/x86/x86_32/xen.lds.S +++ b/xen/arch/x86/x86_32/xen.lds.S @@ -46,6 +46,9 @@ SECTIONS CONSTRUCTORS } :text + . = ALIGN(128); + .data.read_mostly : { *(.data.read_mostly) } :text + . = ALIGN(4096); /* Init code and data */ __init_begin = .; .text.init : { *(.text.init) } :text diff --git a/xen/arch/x86/x86_64/xen.lds.S b/xen/arch/x86/x86_64/xen.lds.S index 92d395d5f9..f2ab8f8aa5 100644 --- a/xen/arch/x86/x86_64/xen.lds.S +++ b/xen/arch/x86/x86_64/xen.lds.S @@ -44,6 +44,9 @@ SECTIONS CONSTRUCTORS } :text + . = ALIGN(128); + .data.read_mostly : { *(.data.read_mostly) } :text + . = ALIGN(4096); /* Init code and data */ __init_begin = .; .text.init : { *(.text.init) } :text diff --git a/xen/include/asm-ia64/linux-xen/asm/cache.h b/xen/include/asm-ia64/linux-xen/asm/cache.h index 7d4cfd5682..0db88a7044 100644 --- a/xen/include/asm-ia64/linux-xen/asm/cache.h +++ b/xen/include/asm-ia64/linux-xen/asm/cache.h @@ -32,4 +32,6 @@ #endif #endif +#define __read_mostly + #endif /* _ASM_IA64_CACHE_H */ diff --git a/xen/include/asm-powerpc/cache.h b/xen/include/asm-powerpc/cache.h index 9151f84000..db1315dcf1 100644 --- a/xen/include/asm-powerpc/cache.h +++ b/xen/include/asm-powerpc/cache.h @@ -57,4 +57,6 @@ static __inline__ void synchronize_caches(ulong start, size_t len) isync(); } +#define __read_mostly + #endif diff --git a/xen/include/asm-x86/cache.h b/xen/include/asm-x86/cache.h index 2539a6f240..f5667a14fa 100644 --- a/xen/include/asm-x86/cache.h +++ b/xen/include/asm-x86/cache.h @@ -10,4 +10,6 @@ #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + #endif diff --git a/xen/include/xen/config.h b/xen/include/xen/config.h index e38cf9e366..e3f94d5843 100644 --- a/xen/include/xen/config.h +++ b/xen/include/xen/config.h @@ -50,6 +50,5 @@ #endif /* !__ASSEMBLY__ */ #define fastcall -#define __read_mostly #endif /* __XEN_CONFIG_H__ */ |