2011-03-30 09:41:10

by Xuetao Guan

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Subject: [PATCH] unicore32 ldscript fix: add cacheline parameter to PERCPU() macro


Also, adjust cacheline parameter of RW_DATA_SECTION and EXCEPTION_TABLE

Signed-off-by: Guan Xuetao <[email protected]>
---
arch/unicore32/kernel/vmlinux.lds.S | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/unicore32/kernel/vmlinux.lds.S b/arch/unicore32/kernel/vmlinux.lds.S
index 0b4eb89..9bf7f7a 100644
--- a/arch/unicore32/kernel/vmlinux.lds.S
+++ b/arch/unicore32/kernel/vmlinux.lds.S
@@ -14,6 +14,7 @@
#include <asm/thread_info.h>
#include <asm/memory.h>
#include <asm/page.h>
+#include <asm/cache.h>

OUTPUT_ARCH(unicore32)
ENTRY(stext)
@@ -29,7 +30,7 @@ SECTIONS
HEAD_TEXT_SECTION
INIT_TEXT_SECTION(PAGE_SIZE)
INIT_DATA_SECTION(16)
- PERCPU(PAGE_SIZE)
+ PERCPU(L1_CACHE_BYTES, PAGE_SIZE)
__init_end = .;

_stext = .;
@@ -45,10 +46,10 @@ SECTIONS

_sdata = .;
RO_DATA_SECTION(PAGE_SIZE)
- RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
+ RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .;

- EXCEPTION_TABLE(32)
+ EXCEPTION_TABLE(L1_CACHE_BYTES)
NOTES

BSS_SECTION(0, 0, 0)
--
1.6.2.2


2011-03-30 09:32:10

by Arnd Bergmann

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Subject: Re: [PATCH] unicore32 ldscript fix: add cacheline parameter to PERCPU() macro

On Wednesday 30 March 2011, Guan Xuetao wrote:
>
> Also, adjust cacheline parameter of RW_DATA_SECTION and EXCEPTION_TABLE
>
> Signed-off-by: Guan Xuetao <[email protected]>

Acked-by: Arnd Bergmann <[email protected]>