Merge branch 'merge'

This commit is contained in:
Paul Mackerras
2006-08-01 10:37:25 +10:00
1510 changed files with 22961 additions and 13521 deletions

View File

@ -501,7 +501,8 @@ static void pseries_dedicated_idle_sleep(void)
}
/*
* Cede if the other thread is not idle, so that it can
* If not SMT, cede processor. If CPU is running SMT
* cede if the other thread is not idle, so that it can
* go single-threaded. If the other thread is idle,
* we ask the hypervisor if it has pending work it
* wants to do and cede if it does. Otherwise we keep
@ -514,7 +515,8 @@ static void pseries_dedicated_idle_sleep(void)
* very low priority. The cede enables interrupts, which
* doesn't matter here.
*/
if (!lppaca[cpu ^ 1].idle || poll_pending() == H_PENDING)
if (!cpu_has_feature(CPU_FTR_SMT) || !lppaca[cpu ^ 1].idle
|| poll_pending() == H_PENDING)
cede_processor();
out: