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[IA64] Don't alloc empty frame in ia64_switch_mode_phys 

I think ia64_switch_mode_phys and ia64_switch_mode_virt
does not need to alloc an empty frame.
An empty frame is required by loadrs but flushrs
does not need that.

Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Zou Nan hai 2006-07-26 07:36:40 +08:00 committed by Tony Luck
parent acb15c85de
commit e55ce45615
1 changed files with 0 additions and 2 deletions
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2
arch/ia64/kernel/head.S
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@ -853,7 +853,6 @@ END(__ia64_init_fpu)
*/
GLOBAL_ENTRY(ia64_switch_mode_phys)
{
alloc r2=ar.pfs,0,0,0,0
rsm psr.i | psr.ic // disable interrupts and interrupt collection
mov r15=ip
}
@ -902,7 +901,6 @@ END(ia64_switch_mode_phys)
*/
GLOBAL_ENTRY(ia64_switch_mode_virt)
{
alloc r2=ar.pfs,0,0,0,0
rsm psr.i | psr.ic // disable interrupts and interrupt collection
mov r15=ip
}