From e91948fd84086020072e022d5463036033d449c1 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Fri, 16 Mar 2007 17:47:07 +1100 Subject: [PATCH] [POWERPC] Minor paca optimisation Move the slb_shadow_ptr field into the first cache line since it is (like everything there) read-only after boot. It is in fact statically initialised and thereafter only read. Signed-off-by: Stephen Rothwell Acked-by: Michael Neuling Signed-off-by: Paul Mackerras --- include/asm-powerpc/paca.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h index 0d3adc09c8..4de851d91f 100644 --- a/include/asm-powerpc/paca.h +++ b/include/asm-powerpc/paca.h @@ -70,6 +70,7 @@ struct paca_struct { s16 hw_cpu_id; /* Physical processor number */ u8 cpu_start; /* At startup, processor spins until */ /* this becomes non-zero. */ + struct slb_shadow *slb_shadow_ptr; /* * Now, starting in cacheline 2, the exception save areas @@ -101,8 +102,6 @@ struct paca_struct { u64 user_time; /* accumulated usermode TB ticks */ u64 system_time; /* accumulated system TB ticks */ u64 startpurr; /* PURR/TB value snapshot */ - - struct slb_shadow *slb_shadow_ptr; }; extern struct paca_struct paca[]; -- 2.39.5