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authorGreg KH <gregkh@suse.de>2005-09-12 12:45:04 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2005-09-12 12:45:04 -0700
commitd58dde0f552a5c5c4485b962d8b6e9dd54fefb30 (patch)
treed9a7e35eb88fea6265d5aadcc3d4ed39122b052a /arch/ia64/kernel/entry.S
parent877599fdef5ea4a7dd1956e22fa9d6923add97f8 (diff)
parent2ade81473636b33aaac64495f89a7dc572c529f0 (diff)
Merge ../torvalds-2.6/
Diffstat (limited to 'arch/ia64/kernel/entry.S')
-rw-r--r--arch/ia64/kernel/entry.S25
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 3c882102450..ba0b6a1f429 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -37,7 +37,7 @@
#include <asm/cache.h>
#include <asm/errno.h>
#include <asm/kregs.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/percpu.h>
#include <asm/processor.h>
@@ -470,6 +470,29 @@ ENTRY(load_switch_stack)
br.cond.sptk.many b7
END(load_switch_stack)
+GLOBAL_ENTRY(prefetch_stack)
+ add r14 = -IA64_SWITCH_STACK_SIZE, sp
+ add r15 = IA64_TASK_THREAD_KSP_OFFSET, in0
+ ;;
+ ld8 r16 = [r15] // load next's stack pointer
+ lfetch.fault.excl [r14], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault [r16], 128
+ br.ret.sptk.many rp
+END(prefetch_switch_stack)
+
GLOBAL_ENTRY(execve)
mov r15=__NR_execve // put syscall number in place
break __BREAK_SYSCALL