diff options
Diffstat (limited to 'drivers/char/hw_random/via-rng.c')
| -rw-r--r-- | drivers/char/hw_random/via-rng.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c index 44ce80606944..d1f5bb534e0e 100644 --- a/drivers/char/hw_random/via-rng.c +++ b/drivers/char/hw_random/via-rng.c @@ -70,21 +70,17 @@ enum { * until we have 4 bytes, thus returning a u32 at a time, * instead of the current u8-at-a-time. * - * Padlock instructions can generate a spurious DNA fault, so - * we have to call them in the context of irq_ts_save/restore() + * Padlock instructions can generate a spurious DNA fault, but the + * kernel doesn't use CR0.TS, so this doesn't matter. */ static inline u32 xstore(u32 *addr, u32 edx_in) { u32 eax_out; - int ts_state; - - ts_state = irq_ts_save(); asm(".byte 0x0F,0xA7,0xC0 /* xstore %%edi (addr=%0) */" : "=m" (*addr), "=a" (eax_out), "+d" (edx_in), "+D" (addr)); - irq_ts_restore(ts_state); return eax_out; } |