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powerpc/slb: Use a local to avoid multiple calls to get_slb_shadow() 

For no reason other than it looks ugly.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman 2015-08-13 17:11:18 +10:00
parent 1d15010c34
commit 26cd835ef8
1 changed files with 5 additions and 5 deletions
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10
arch/powerpc/mm/slb.c
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@ -62,16 +62,16 @@ static inline void slb_shadow_update(unsigned long ea, int ssize,
unsigned long flags,
enum slb_index index)
{
struct slb_shadow *p = get_slb_shadow();
/*
* Clear the ESID first so the entry is not valid while we are
* updating it. No write barriers are needed here, provided
* we only update the current CPU's SLB shadow buffer.
*/
get_slb_shadow()->save_area[index].esid = 0;
get_slb_shadow()->save_area[index].vsid =
cpu_to_be64(mk_vsid_data(ea, ssize, flags));
get_slb_shadow()->save_area[index].esid =
cpu_to_be64(mk_esid_data(ea, ssize, index));
p->save_area[index].esid = 0;
p->save_area[index].vsid = cpu_to_be64(mk_vsid_data(ea, ssize, flags));
p->save_area[index].esid = cpu_to_be64(mk_esid_data(ea, ssize, index));
}
static inline void slb_shadow_clear(enum slb_index index)