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. ===== include/asm-ia64/sal.h 1.19 vs edited ===== --- 1.19/include/asm-ia64/sal.h Sat Aug 16 18:31:13 2003 +++ edited/include/asm-ia64/sal.h Wed Dec 10 14:10:04 2003 @@ -71,7 +71,9 @@ # 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) - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Thu Dec 18 15:36:15 2003
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