x86/sched: Remove SD_ASYM_PACKING from the SMT domain flags

ricardon · Peter Zijlstra · commit 995998ebdebd · 2023-05-08T10:58:37.000+02:00
There is no difference between any of the SMT siblings of a physical core. Do not do asym_packing load balancing at this level. Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Zhang Rui <rui.zhang@intel.com> Link: https://lore.kernel.org/r/20230406203148.19182-11-ricardo.neri-calderon@linux.intel.com
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
@@ -552,7 +552,7 @@ static int x86_core_flags(void)
 #ifdef CONFIG_SCHED_SMT
 static int x86_smt_flags(void)
 {
-	return cpu_smt_flags() | x86_sched_itmt_flags();
+	return cpu_smt_flags();
 }
 #endif
 #ifdef CONFIG_SCHED_CLUSTER

Original file line number	Diff line number	Diff line change
`@@ -552,7 +552,7 @@ static int x86_core_flags(void)`
`552`	`552`	`#ifdef CONFIG_SCHED_SMT`
`553`	`553`	`static int x86_smt_flags(void)`
`554`	`554`	`{`
`555`		`- return cpu_smt_flags() \| x86_sched_itmt_flags();`
	`555`	`+ return cpu_smt_flags();`
`556`	`556`	`}`
`557`	`557`	`#endif`
`558`	`558`	`#ifdef CONFIG_SCHED_CLUSTER`