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| author | Ravikiran G Thirumalai <kiran@scalex86.org> | 2006-04-07 19:50:09 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-09 11:53:52 -0700 |
| commit | e405d067298b2b960bf20318e91ed842157c65bc (patch) | |
| tree | edb9bf3a90c70e7b7d490504f7ea695b39aa6a08 | |
| parent | 3d34ee6891e274dfb6a22930546d37738cdbe9c4 (diff) | |
| download | linux-3.10-e405d067298b2b960bf20318e91ed842157c65bc.tar.gz linux-3.10-e405d067298b2b960bf20318e91ed842157c65bc.tar.bz2 linux-3.10-e405d067298b2b960bf20318e91ed842157c65bc.zip | |
[PATCH] x86_64: Fixup read_mostly section on internode cache line size for vSMP
Fixup the read mostly section to start at internode cacheline boundary.
Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/x86_64/Kconfig | 5 | ||||
| -rw-r--r-- | arch/x86_64/kernel/vmlinux.lds.S | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 4310b4a311a..7df2fe1844b 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -136,6 +136,11 @@ config X86_L1_CACHE_SHIFT default "7" if GENERIC_CPU || MPSC default "6" if MK8 +config X86_INTERNODE_CACHE_BYTES + int + default "4096" if X86_VSMP + default X86_L1_CACHE_BYTES if !X86_VSMP + config X86_TSC bool default y diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S index 39ff0708f80..b81f473c4a1 100644 --- a/arch/x86_64/kernel/vmlinux.lds.S +++ b/arch/x86_64/kernel/vmlinux.lds.S @@ -65,7 +65,7 @@ SECTIONS .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) { *(.data.cacheline_aligned) } - . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); + . = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES); .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { *(.data.read_mostly) } |