Commit e6d4485d authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by David Mosberger

[PATCH] ia64: Prevent SAL calls from being preempted

(SAL_CALL_REENTRANT): Disable preemption around the SAL call to
make sure we don't get rescheduled on a different CPU.
parent a1796f45
......@@ -71,7 +71,9 @@ extern spinlock_t sal_lock;
# define SAL_CALL_REENTRANT(result,args...) do { \
struct ia64_fpreg __ia64_scs_fr[6]; \
ia64_save_scratch_fpregs(__ia64_scs_fr); \
preempt_disable(); \
__SAL_CALL(result, args); \
preempt_enable(); \
ia64_load_scratch_fpregs(__ia64_scs_fr); \
} while (0)
......
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