diff options
Diffstat (limited to 'ck-patch-for-4.19.7+.patch')
| -rw-r--r-- | ck-patch-for-4.19.7+.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/ck-patch-for-4.19.7+.patch b/ck-patch-for-4.19.7+.patch new file mode 100644 index 000000000000..39459483512e --- /dev/null +++ b/ck-patch-for-4.19.7+.patch @@ -0,0 +1,40 @@ +--- patch-4.19-ck1 2018-12-22 10:30:40.000000000 +0800 ++++ patch-4.19.7-ck1 2018-12-22 10:43:47.000000000 +0800 +@@ -5366,14 +5366,9 @@ + index 1a0be022f91d..cfa268364ec7 100644 + --- a/arch/x86/Kconfig + +++ b/arch/x86/Kconfig +-@@ -1009,10 +1009,26 @@ config SCHED_SMT +- depends on SMP +- ---help--- +- SMT scheduler support improves the CPU scheduler's decision making +-- when dealing with Intel Pentium 4 chips with HyperThreading at a +-+ when dealing with Intel P4/Core 2 chips with HyperThreading at a +- cost of slightly increased overhead in some places. If unsure say +- N here. ++@@ -1003,6 +1003,22 @@ ++ config SCHED_SMT ++ def_bool y if SMP + + +config SMT_NICE + + bool "SMT (Hyperthreading) aware nice priority and policy support" +@@ -7529,7 +7529,7 @@ + index 000000000000..02e9eebab3d9 + --- /dev/null + +++ b/kernel/sched/MuQSS.c +-@@ -0,0 +1,7366 @@ ++@@ -0,0 +1,7370 @@ + +// SPDX-License-Identifier: GPL-2.0 + +/* + + * kernel/sched/MuQSS.c, was kernel/sched.c +@@ -8543,6 +8543,10 @@ + +#define CPUIDLE_THREAD_BUSY (16) + +#define CPUIDLE_DIFF_NODE (32) + + +++#ifdef CONFIG_SCHED_SMT +++DEFINE_STATIC_KEY_FALSE(sched_smt_present); +++#endif +++ + +/* + + * The best idle CPU is chosen according to the CPUIDLE ranking above where the + + * lowest value would give the most suitable CPU to schedule p onto next. The |