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OpenCloudOS-Kernel
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Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: store-init needs trailing membar.
This commit is contained in:
Linus Torvalds 2007-03-19 20:20:56 -07:00
parent a9cf7cd0d7 24d559cac4
commit 0a14fe6e5e
4 changed files with 6 additions and 0 deletions
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1
arch/sparc64/kernel/tsb.S
View File

@ -546,6 +546,7 @@ NGtsb_init:
subcc %o1, 0x100, %o1
bne,pt %xcc, 1b
add %o0, 0x100, %o0
membar #Sync
retl
wr %g2, 0x0, %asi
.size NGtsb_init, .-NGtsb_init

1
arch/sparc64/lib/NGbzero.S
View File

@ -88,6 +88,7 @@ NGbzero_loop:
bne,pt %xcc, NGbzero_loop
add %o0, 64, %o0
membar #Sync
wr %o4, 0x0, %asi
brz,pn %o1, NGbzero_done
NGbzero_medium:

2
arch/sparc64/lib/NGmemcpy.S
View File

@ -247,6 +247,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
/* fall through */
60:
membar #Sync
/* %o2 contains any final bytes still needed to be copied
* over. If anything is left, we copy it one byte at a time.
*/

2
arch/sparc64/lib/NGpage.S
View File

@ -41,6 +41,7 @@ NGcopy_user_page: /* %o0=dest, %o1=src, %o2=vaddr */
subcc %g7, 64, %g7
bne,pt %xcc, 1b
add %o0, 32, %o0
membar #Sync
retl
nop
@ -63,6 +64,7 @@ NGclear_user_page: /* %o0=dest, %o1=vaddr */
subcc %g7, 64, %g7
bne,pt %xcc, 1b
add %o0, 32, %o0
membar #Sync
retl
nop