diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2013-09-09 14:34:15 +0400 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-11-07 13:04:31 +0400 |
| commit | 7d0857a54aedbd47b3de503933d65ce462970bd6 (patch) | |
| tree | bb58cf17cbe9e22baae90cb299caf118e51aaa04 /arch/arc/kernel/time.c | |
| parent | 57e26e57454fae4f1d15c2e9fa965b7a8046ab34 (diff) | |
| download | linux-7d0857a54aedbd47b3de503933d65ce462970bd6.tar.xz | |
ARC: [SMP] Disallow RTSC
RTSC is strictly incore and must not be allowed in SMP configs
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/kernel/time.c')
| -rw-r--r-- | arch/arc/kernel/time.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c index 0a9b6b289c4f..e5f3a837fb35 100644 --- a/arch/arc/kernel/time.c +++ b/arch/arc/kernel/time.c @@ -63,9 +63,10 @@ int arc_counter_setup(void) { - /* RTSC insn taps into cpu clk, needs no setup */ - - /* For SMP, only allowed if cross-core-sync, hence usable as cs */ + /* + * For SMP this needs to be 0. However Kconfig glue doesn't + * enable this option for SMP configs + */ return 1; } |