diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2017-04-19 23:05:48 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-04-23 20:31:49 +1000 |
| commit | adbcf8d74f4609e142b01520afa173bfe911122b (patch) | |
| tree | bbf780dbc1abca864c5d3ef071008478e991f601 /arch/powerpc/include | |
| parent | 1945bc4549e5cb1f9aa873ec29191aa54dc851d2 (diff) | |
powerpc/64s: Expand core idle state bits
In preparation for adding more bits to the core idle state word, move
the lock bit up, and unlock by flipping the lock bit rather than masking
off all but the thread bits.
Add branch hints for atomic operations while we're here.
Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/cpuidle.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/cpuidle.h b/arch/powerpc/include/asm/cpuidle.h index 4649ca0d28e3..dd6a63f0a10f 100644 --- a/arch/powerpc/include/asm/cpuidle.h +++ b/arch/powerpc/include/asm/cpuidle.h @@ -7,8 +7,8 @@ #define PNV_THREAD_NAP 1 #define PNV_THREAD_SLEEP 2 #define PNV_THREAD_WINKLE 3 -#define PNV_CORE_IDLE_LOCK_BIT 0x100 -#define PNV_CORE_IDLE_THREAD_BITS 0x0FF +#define PNV_CORE_IDLE_LOCK_BIT 0x10000000 +#define PNV_CORE_IDLE_THREAD_BITS 0x000000FF /* * ============================ NOTE ================================= |