diff options
Diffstat (limited to 'packages/sys-kernel/linux-sources-redcore-lts/files/0002-Make-preemptible-kernel-default.patch')
| -rw-r--r-- | packages/sys-kernel/linux-sources-redcore-lts/files/0002-Make-preemptible-kernel-default.patch | 733 |
1 files changed, 733 insertions, 0 deletions
diff --git a/packages/sys-kernel/linux-sources-redcore-lts/files/0002-Make-preemptible-kernel-default.patch b/packages/sys-kernel/linux-sources-redcore-lts/files/0002-Make-preemptible-kernel-default.patch new file mode 100644 index 0000000..69abb37 --- /dev/null +++ b/packages/sys-kernel/linux-sources-redcore-lts/files/0002-Make-preemptible-kernel-default.patch @@ -0,0 +1,733 @@ +From e8e37da685f7988182d7920a711e00dd2457af65 Mon Sep 17 00:00:00 2001 +From: Con Kolivas <kernel@kolivas.org> +Date: Sat, 29 Oct 2016 11:20:37 +1100 +Subject: [PATCH 02/16] Make preemptible kernel default. + +Make full preempt default on all arches. +--- + arch/arc/configs/tb10x_defconfig | 2 +- + arch/arm/configs/bcm2835_defconfig | 2 +- + arch/arm/configs/imx_v6_v7_defconfig | 2 +- + arch/arm/configs/mps2_defconfig | 2 +- + arch/arm/configs/mxs_defconfig | 2 +- + arch/blackfin/configs/BF518F-EZBRD_defconfig | 2 +- + arch/blackfin/configs/BF526-EZBRD_defconfig | 2 +- + arch/blackfin/configs/BF527-EZKIT-V2_defconfig | 2 +- + arch/blackfin/configs/BF527-EZKIT_defconfig | 2 +- + arch/blackfin/configs/BF527-TLL6527M_defconfig | 2 +- + arch/blackfin/configs/BF533-EZKIT_defconfig | 2 +- + arch/blackfin/configs/BF533-STAMP_defconfig | 2 +- + arch/blackfin/configs/BF537-STAMP_defconfig | 2 +- + arch/blackfin/configs/BF538-EZKIT_defconfig | 2 +- + arch/blackfin/configs/BF548-EZKIT_defconfig | 2 +- + arch/blackfin/configs/BF561-ACVILON_defconfig | 2 +- + arch/blackfin/configs/BF561-EZKIT-SMP_defconfig | 2 +- + arch/blackfin/configs/BF561-EZKIT_defconfig | 2 +- + arch/blackfin/configs/BF609-EZKIT_defconfig | 2 +- + arch/blackfin/configs/BlackStamp_defconfig | 2 +- + arch/blackfin/configs/CM-BF527_defconfig | 2 +- + arch/blackfin/configs/PNAV-10_defconfig | 2 +- + arch/blackfin/configs/SRV1_defconfig | 2 +- + arch/blackfin/configs/TCM-BF518_defconfig | 2 +- + arch/mips/configs/fuloong2e_defconfig | 3 ++- + arch/mips/configs/gpr_defconfig | 3 ++- + arch/mips/configs/ip22_defconfig | 3 ++- + arch/mips/configs/ip28_defconfig | 3 ++- + arch/mips/configs/jazz_defconfig | 3 ++- + arch/mips/configs/mtx1_defconfig | 3 ++- + arch/mips/configs/nlm_xlr_defconfig | 2 +- + arch/mips/configs/pic32mzda_defconfig | 2 +- + arch/mips/configs/pistachio_defconfig | 2 +- + arch/mips/configs/pnx8335_stb225_defconfig | 2 +- + arch/mips/configs/rm200_defconfig | 3 ++- + arch/parisc/configs/712_defconfig | 2 +- + arch/parisc/configs/c3000_defconfig | 2 +- + arch/parisc/configs/default_defconfig | 2 +- + arch/powerpc/configs/c2k_defconfig | 2 +- + arch/powerpc/configs/ppc6xx_defconfig | 2 +- + arch/score/configs/spct6600_defconfig | 2 +- + arch/sh/configs/se7712_defconfig | 2 +- + arch/sh/configs/se7721_defconfig | 2 +- + arch/sh/configs/titan_defconfig | 2 +- + arch/sparc/configs/sparc64_defconfig | 2 +- + arch/tile/configs/tilegx_defconfig | 2 +- + arch/tile/configs/tilepro_defconfig | 2 +- + arch/x86/configs/i386_defconfig | 2 +- + arch/x86/configs/x86_64_defconfig | 2 +- + kernel/Kconfig.preempt | 7 ++++--- + 50 files changed, 60 insertions(+), 52 deletions(-) + +diff --git a/arch/arc/configs/tb10x_defconfig b/arch/arc/configs/tb10x_defconfig +index f30182549395..42910f628869 100644 +--- a/arch/arc/configs/tb10x_defconfig ++++ b/arch/arc/configs/tb10x_defconfig +@@ -28,7 +28,7 @@ CONFIG_ARC_PLAT_TB10X=y + CONFIG_ARC_CACHE_LINE_SHIFT=5 + CONFIG_HZ=250 + CONFIG_ARC_BUILTIN_DTB_NAME="abilis_tb100_dvk" +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + # CONFIG_COMPACTION is not set + CONFIG_NET=y + CONFIG_PACKET=y +diff --git a/arch/arm/configs/bcm2835_defconfig b/arch/arm/configs/bcm2835_defconfig +index 43dab4890ad3..44a52166ca5e 100644 +--- a/arch/arm/configs/bcm2835_defconfig ++++ b/arch/arm/configs/bcm2835_defconfig +@@ -29,7 +29,7 @@ CONFIG_MODULE_UNLOAD=y + CONFIG_ARCH_MULTI_V6=y + CONFIG_ARCH_BCM=y + CONFIG_ARCH_BCM2835=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_AEABI=y + CONFIG_KSM=y + CONFIG_CLEANCACHE=y +diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig +index 32acac9ab81a..1482bb312987 100644 +--- a/arch/arm/configs/imx_v6_v7_defconfig ++++ b/arch/arm/configs/imx_v6_v7_defconfig +@@ -47,7 +47,7 @@ CONFIG_PCI_MSI=y + CONFIG_PCI_IMX6=y + CONFIG_SMP=y + CONFIG_ARM_PSCI=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_AEABI=y + CONFIG_HIGHMEM=y + CONFIG_CMA=y +diff --git a/arch/arm/configs/mps2_defconfig b/arch/arm/configs/mps2_defconfig +index 0bcdec7cc169..10ceaefa51e0 100644 +--- a/arch/arm/configs/mps2_defconfig ++++ b/arch/arm/configs/mps2_defconfig +@@ -18,7 +18,7 @@ CONFIG_ARCH_MPS2=y + CONFIG_SET_MEM_PARAM=y + CONFIG_DRAM_BASE=0x21000000 + CONFIG_DRAM_SIZE=0x1000000 +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + # CONFIG_ATAGS is not set + CONFIG_ZBOOT_ROM_TEXT=0x0 + CONFIG_ZBOOT_ROM_BSS=0x0 +diff --git a/arch/arm/configs/mxs_defconfig b/arch/arm/configs/mxs_defconfig +index e5822ab01b7d..3e77e02f678f 100644 +--- a/arch/arm/configs/mxs_defconfig ++++ b/arch/arm/configs/mxs_defconfig +@@ -27,7 +27,7 @@ CONFIG_BLK_DEV_INTEGRITY=y + # CONFIG_ARCH_MULTI_V7 is not set + CONFIG_ARCH_MXS=y + # CONFIG_ARM_THUMB is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_AEABI=y + CONFIG_NET=y + CONFIG_PACKET=y +diff --git a/arch/blackfin/configs/BF518F-EZBRD_defconfig b/arch/blackfin/configs/BF518F-EZBRD_defconfig +index 99c00d835f47..39b91dfa55b5 100644 +--- a/arch/blackfin/configs/BF518F-EZBRD_defconfig ++++ b/arch/blackfin/configs/BF518F-EZBRD_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF518=y + CONFIG_IRQ_TIMER0=12 + # CONFIG_CYCLES_CLOCKSOURCE is not set +diff --git a/arch/blackfin/configs/BF526-EZBRD_defconfig b/arch/blackfin/configs/BF526-EZBRD_defconfig +index e66ba31ef84d..675cadb3a0c4 100644 +--- a/arch/blackfin/configs/BF526-EZBRD_defconfig ++++ b/arch/blackfin/configs/BF526-EZBRD_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF526=y + CONFIG_IRQ_TIMER0=12 + CONFIG_BFIN526_EZBRD=y +diff --git a/arch/blackfin/configs/BF527-EZKIT-V2_defconfig b/arch/blackfin/configs/BF527-EZKIT-V2_defconfig +index 0207c588c19f..4c517c443af5 100644 +--- a/arch/blackfin/configs/BF527-EZKIT-V2_defconfig ++++ b/arch/blackfin/configs/BF527-EZKIT-V2_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF527=y + CONFIG_BF_REV_0_2=y + CONFIG_BFIN527_EZKIT_V2=y +diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig b/arch/blackfin/configs/BF527-EZKIT_defconfig +index 99c131ba7d90..bf8df3e6cf02 100644 +--- a/arch/blackfin/configs/BF527-EZKIT_defconfig ++++ b/arch/blackfin/configs/BF527-EZKIT_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF527=y + CONFIG_BF_REV_0_1=y + CONFIG_IRQ_USB_INT0=11 +diff --git a/arch/blackfin/configs/BF527-TLL6527M_defconfig b/arch/blackfin/configs/BF527-TLL6527M_defconfig +index cdeb51856f26..0220b3b15c53 100644 +--- a/arch/blackfin/configs/BF527-TLL6527M_defconfig ++++ b/arch/blackfin/configs/BF527-TLL6527M_defconfig +@@ -21,7 +21,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_LBDAF is not set + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF527=y + CONFIG_BF_REV_0_2=y + CONFIG_BFIN527_TLL6527M=y +diff --git a/arch/blackfin/configs/BF533-EZKIT_defconfig b/arch/blackfin/configs/BF533-EZKIT_defconfig +index ed7d2c096739..6023e3fd2c48 100644 +--- a/arch/blackfin/configs/BF533-EZKIT_defconfig ++++ b/arch/blackfin/configs/BF533-EZKIT_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BFIN533_EZKIT=y + CONFIG_TIMER0=11 + CONFIG_CLKIN_HZ=27000000 +diff --git a/arch/blackfin/configs/BF533-STAMP_defconfig b/arch/blackfin/configs/BF533-STAMP_defconfig +index 0c241f4d28d7..f5cd0f18b711 100644 +--- a/arch/blackfin/configs/BF533-STAMP_defconfig ++++ b/arch/blackfin/configs/BF533-STAMP_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_TIMER0=11 + CONFIG_HIGH_RES_TIMERS=y + CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0 +diff --git a/arch/blackfin/configs/BF537-STAMP_defconfig b/arch/blackfin/configs/BF537-STAMP_defconfig +index e5360b30e39a..48085fde7f9e 100644 +--- a/arch/blackfin/configs/BF537-STAMP_defconfig ++++ b/arch/blackfin/configs/BF537-STAMP_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF537=y + CONFIG_HIGH_RES_TIMERS=y + CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0 +diff --git a/arch/blackfin/configs/BF538-EZKIT_defconfig b/arch/blackfin/configs/BF538-EZKIT_defconfig +index 60f6fb86125c..12deeaaef3cb 100644 +--- a/arch/blackfin/configs/BF538-EZKIT_defconfig ++++ b/arch/blackfin/configs/BF538-EZKIT_defconfig +@@ -21,7 +21,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF538=y + CONFIG_IRQ_TIMER0=12 + CONFIG_IRQ_TIMER1=12 +diff --git a/arch/blackfin/configs/BF548-EZKIT_defconfig b/arch/blackfin/configs/BF548-EZKIT_defconfig +index 38cb17d218d4..6a68ffc55b5a 100644 +--- a/arch/blackfin/configs/BF548-EZKIT_defconfig ++++ b/arch/blackfin/configs/BF548-EZKIT_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF548_std=y + CONFIG_IRQ_TIMER0=11 + # CONFIG_CYCLES_CLOCKSOURCE is not set +diff --git a/arch/blackfin/configs/BF561-ACVILON_defconfig b/arch/blackfin/configs/BF561-ACVILON_defconfig +index 78f6bc79f910..e9f3ba783a4e 100644 +--- a/arch/blackfin/configs/BF561-ACVILON_defconfig ++++ b/arch/blackfin/configs/BF561-ACVILON_defconfig +@@ -20,7 +20,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_LBDAF is not set + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF561=y + CONFIG_BF_REV_0_5=y + CONFIG_IRQ_TIMER0=10 +diff --git a/arch/blackfin/configs/BF561-EZKIT-SMP_defconfig b/arch/blackfin/configs/BF561-EZKIT-SMP_defconfig +index fac8bb578249..89b75a6c3fab 100644 +--- a/arch/blackfin/configs/BF561-EZKIT-SMP_defconfig ++++ b/arch/blackfin/configs/BF561-EZKIT-SMP_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF561=y + CONFIG_SMP=y + CONFIG_IRQ_TIMER0=10 +diff --git a/arch/blackfin/configs/BF561-EZKIT_defconfig b/arch/blackfin/configs/BF561-EZKIT_defconfig +index 2a2e4d0cebc1..67b3d2f419ba 100644 +--- a/arch/blackfin/configs/BF561-EZKIT_defconfig ++++ b/arch/blackfin/configs/BF561-EZKIT_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF561=y + CONFIG_IRQ_TIMER0=10 + CONFIG_CLKIN_HZ=30000000 +diff --git a/arch/blackfin/configs/BF609-EZKIT_defconfig b/arch/blackfin/configs/BF609-EZKIT_defconfig +index 3ce77f07208a..8cc75d4218fb 100644 +--- a/arch/blackfin/configs/BF609-EZKIT_defconfig ++++ b/arch/blackfin/configs/BF609-EZKIT_defconfig +@@ -20,7 +20,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF609=y + CONFIG_PINT1_ASSIGN=0x01010000 + CONFIG_PINT2_ASSIGN=0x07000101 +diff --git a/arch/blackfin/configs/BlackStamp_defconfig b/arch/blackfin/configs/BlackStamp_defconfig +index f4a9200e1ab1..9faf0ec7007f 100644 +--- a/arch/blackfin/configs/BlackStamp_defconfig ++++ b/arch/blackfin/configs/BlackStamp_defconfig +@@ -17,7 +17,7 @@ CONFIG_MODULE_UNLOAD=y + CONFIG_MODULE_FORCE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF532=y + CONFIG_BF_REV_0_5=y + CONFIG_BLACKSTAMP=y +diff --git a/arch/blackfin/configs/CM-BF527_defconfig b/arch/blackfin/configs/CM-BF527_defconfig +index 1902bb05d086..4a1ad4fd7bb2 100644 +--- a/arch/blackfin/configs/CM-BF527_defconfig ++++ b/arch/blackfin/configs/CM-BF527_defconfig +@@ -19,7 +19,7 @@ CONFIG_MODULES=y + CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF527=y + CONFIG_BF_REV_0_1=y + CONFIG_IRQ_TIMER0=12 +diff --git a/arch/blackfin/configs/PNAV-10_defconfig b/arch/blackfin/configs/PNAV-10_defconfig +index c7926812971c..9d787e28bbe8 100644 +--- a/arch/blackfin/configs/PNAV-10_defconfig ++++ b/arch/blackfin/configs/PNAV-10_defconfig +@@ -15,7 +15,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF537=y + CONFIG_IRQ_TIMER0=12 + CONFIG_PNAV10=y +diff --git a/arch/blackfin/configs/SRV1_defconfig b/arch/blackfin/configs/SRV1_defconfig +index 23fdc57d657a..225df32dc9a8 100644 +--- a/arch/blackfin/configs/SRV1_defconfig ++++ b/arch/blackfin/configs/SRV1_defconfig +@@ -13,7 +13,7 @@ CONFIG_MMAP_ALLOW_UNINITIALIZED=y + CONFIG_MODULES=y + CONFIG_MODULE_UNLOAD=y + # CONFIG_IOSCHED_DEADLINE is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF537=y + CONFIG_IRQ_TIMER0=12 + CONFIG_BOOT_LOAD=0x400000 +diff --git a/arch/blackfin/configs/TCM-BF518_defconfig b/arch/blackfin/configs/TCM-BF518_defconfig +index e28959479fe0..425c24e43c34 100644 +--- a/arch/blackfin/configs/TCM-BF518_defconfig ++++ b/arch/blackfin/configs/TCM-BF518_defconfig +@@ -23,7 +23,7 @@ CONFIG_MODULE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + # CONFIG_IOSCHED_DEADLINE is not set + # CONFIG_IOSCHED_CFQ is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BF518=y + CONFIG_BF_REV_0_1=y + CONFIG_BFIN518F_TCM=y +diff --git a/arch/mips/configs/fuloong2e_defconfig b/arch/mips/configs/fuloong2e_defconfig +index 499f51498ecb..f7cb39b0662c 100644 +--- a/arch/mips/configs/fuloong2e_defconfig ++++ b/arch/mips/configs/fuloong2e_defconfig +@@ -2,7 +2,8 @@ CONFIG_MACH_LOONGSON64=y + CONFIG_64BIT=y + CONFIG_NO_HZ=y + CONFIG_HIGH_RES_TIMERS=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y ++CONFIG_EXPERIMENTAL=y + CONFIG_LOCALVERSION="-fuloong2e" + # CONFIG_LOCALVERSION_AUTO is not set + CONFIG_SYSVIPC=y +diff --git a/arch/mips/configs/gpr_defconfig b/arch/mips/configs/gpr_defconfig +index 55438fc9991e..db03ef4f737d 100644 +--- a/arch/mips/configs/gpr_defconfig ++++ b/arch/mips/configs/gpr_defconfig +@@ -1,7 +1,8 @@ + CONFIG_MIPS_ALCHEMY=y + CONFIG_MIPS_GPR=y + CONFIG_HIGH_RES_TIMERS=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y ++CONFIG_EXPERIMENTAL=y + # CONFIG_LOCALVERSION_AUTO is not set + CONFIG_SYSVIPC=y + CONFIG_POSIX_MQUEUE=y +diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig +index 83e8fe2064aa..93e7b167433b 100644 +--- a/arch/mips/configs/ip22_defconfig ++++ b/arch/mips/configs/ip22_defconfig +@@ -3,7 +3,8 @@ CONFIG_CPU_R5000=y + CONFIG_NO_HZ=y + CONFIG_HIGH_RES_TIMERS=y + CONFIG_HZ_1000=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y ++CONFIG_EXPERIMENTAL=y + CONFIG_SYSVIPC=y + CONFIG_IKCONFIG=y + CONFIG_IKCONFIG_PROC=y +diff --git a/arch/mips/configs/ip28_defconfig b/arch/mips/configs/ip28_defconfig +index d0a4c2cfacf8..6f0600e99c25 100644 +--- a/arch/mips/configs/ip28_defconfig ++++ b/arch/mips/configs/ip28_defconfig +@@ -1,6 +1,7 @@ + CONFIG_SGI_IP28=y + CONFIG_ARC_CONSOLE=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y ++CONFIG_EXPERIMENTAL=y + CONFIG_SYSVIPC=y + CONFIG_IKCONFIG=y + CONFIG_IKCONFIG_PROC=y +diff --git a/arch/mips/configs/jazz_defconfig b/arch/mips/configs/jazz_defconfig +index 9ad1c94376c8..1d62ce7ff5dc 100644 +--- a/arch/mips/configs/jazz_defconfig ++++ b/arch/mips/configs/jazz_defconfig +@@ -1,6 +1,7 @@ + CONFIG_MACH_JAZZ=y + CONFIG_OLIVETTI_M700=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y ++CONFIG_EXPERIMENTAL=y + CONFIG_SYSVIPC=y + CONFIG_POSIX_MQUEUE=y + CONFIG_BSD_PROCESS_ACCT=y +diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig +index c3d0d0a6e044..aa3426d5f7d7 100644 +--- a/arch/mips/configs/mtx1_defconfig ++++ b/arch/mips/configs/mtx1_defconfig +@@ -1,6 +1,7 @@ + CONFIG_MIPS_ALCHEMY=y + CONFIG_MIPS_MTX1=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y ++CONFIG_EXPERIMENTAL=y + # CONFIG_LOCALVERSION_AUTO is not set + CONFIG_SYSVIPC=y + CONFIG_POSIX_MQUEUE=y +diff --git a/arch/mips/configs/nlm_xlr_defconfig b/arch/mips/configs/nlm_xlr_defconfig +index 1e18fd7de209..b514e91e5426 100644 +--- a/arch/mips/configs/nlm_xlr_defconfig ++++ b/arch/mips/configs/nlm_xlr_defconfig +@@ -5,7 +5,7 @@ CONFIG_DEFAULT_MMAP_MIN_ADDR=65536 + CONFIG_SMP=y + CONFIG_NO_HZ=y + CONFIG_HIGH_RES_TIMERS=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_KEXEC=y + CONFIG_CROSS_COMPILE="" + # CONFIG_LOCALVERSION_AUTO is not set +diff --git a/arch/mips/configs/pic32mzda_defconfig b/arch/mips/configs/pic32mzda_defconfig +index 52192c632ae8..96b087498dab 100644 +--- a/arch/mips/configs/pic32mzda_defconfig ++++ b/arch/mips/configs/pic32mzda_defconfig +@@ -1,7 +1,7 @@ + CONFIG_MACH_PIC32=y + CONFIG_DTB_PIC32_MZDA_SK=y + CONFIG_HZ_100=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + # CONFIG_SECCOMP is not set + CONFIG_SYSVIPC=y + CONFIG_NO_HZ=y +diff --git a/arch/mips/configs/pistachio_defconfig b/arch/mips/configs/pistachio_defconfig +index b22a3cf149b6..cfffca3d37f4 100644 +--- a/arch/mips/configs/pistachio_defconfig ++++ b/arch/mips/configs/pistachio_defconfig +@@ -5,7 +5,7 @@ CONFIG_MIPS_CPS=y + CONFIG_DEFAULT_MMAP_MIN_ADDR=32768 + CONFIG_ZSMALLOC=y + CONFIG_NR_CPUS=4 +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + # CONFIG_LOCALVERSION_AUTO is not set + CONFIG_DEFAULT_HOSTNAME="localhost" + CONFIG_SYSVIPC=y +diff --git a/arch/mips/configs/pnx8335_stb225_defconfig b/arch/mips/configs/pnx8335_stb225_defconfig +index 81b5eb89446c..19f8cea849a1 100644 +--- a/arch/mips/configs/pnx8335_stb225_defconfig ++++ b/arch/mips/configs/pnx8335_stb225_defconfig +@@ -3,7 +3,7 @@ CONFIG_CPU_LITTLE_ENDIAN=y + CONFIG_NO_HZ=y + CONFIG_HIGH_RES_TIMERS=y + CONFIG_HZ_128=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + # CONFIG_SECCOMP is not set + # CONFIG_LOCALVERSION_AUTO is not set + # CONFIG_SWAP is not set +diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig +index 99679e514042..2ced507a8ba7 100644 +--- a/arch/mips/configs/rm200_defconfig ++++ b/arch/mips/configs/rm200_defconfig +@@ -2,7 +2,8 @@ CONFIG_SNI_RM=y + CONFIG_CPU_LITTLE_ENDIAN=y + CONFIG_ARC_CONSOLE=y + CONFIG_HZ_1000=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y ++CONFIG_EXPERIMENTAL=y + CONFIG_SYSVIPC=y + CONFIG_POSIX_MQUEUE=y + CONFIG_BSD_PROCESS_ACCT=y +diff --git a/arch/parisc/configs/712_defconfig b/arch/parisc/configs/712_defconfig +index ccc109761f44..a6a5b0b7a9c9 100644 +--- a/arch/parisc/configs/712_defconfig ++++ b/arch/parisc/configs/712_defconfig +@@ -13,7 +13,7 @@ CONFIG_MODULES=y + CONFIG_MODULE_UNLOAD=y + CONFIG_MODULE_FORCE_UNLOAD=y + CONFIG_PA7100LC=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_GSC_LASI=y + # CONFIG_PDC_CHASSIS is not set + CONFIG_BINFMT_MISC=m +diff --git a/arch/parisc/configs/c3000_defconfig b/arch/parisc/configs/c3000_defconfig +index 8d41a73bd71b..b8e0a6662ff9 100644 +--- a/arch/parisc/configs/c3000_defconfig ++++ b/arch/parisc/configs/c3000_defconfig +@@ -13,7 +13,7 @@ CONFIG_MODULES=y + CONFIG_MODULE_UNLOAD=y + CONFIG_MODULE_FORCE_UNLOAD=y + CONFIG_PA8X00=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + # CONFIG_GSC is not set + CONFIG_PCI=y + CONFIG_PCI_LBA=y +diff --git a/arch/parisc/configs/default_defconfig b/arch/parisc/configs/default_defconfig +index 52c9050a7c5c..8d86d2e989f4 100644 +--- a/arch/parisc/configs/default_defconfig ++++ b/arch/parisc/configs/default_defconfig +@@ -14,7 +14,7 @@ CONFIG_MODULE_UNLOAD=y + CONFIG_MODULE_FORCE_UNLOAD=y + # CONFIG_BLK_DEV_BSG is not set + CONFIG_PA7100LC=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_IOMMU_CCIO=y + CONFIG_GSC_LASI=y + CONFIG_GSC_WAX=y +diff --git a/arch/powerpc/configs/c2k_defconfig b/arch/powerpc/configs/c2k_defconfig +index f1552af9eecc..f8505e6ec7b3 100644 +--- a/arch/powerpc/configs/c2k_defconfig ++++ b/arch/powerpc/configs/c2k_defconfig +@@ -29,7 +29,7 @@ CONFIG_CPU_FREQ_GOV_POWERSAVE=m + CONFIG_CPU_FREQ_GOV_ONDEMAND=m + CONFIG_GEN_RTC=y + CONFIG_HIGHMEM=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BINFMT_MISC=y + CONFIG_PM=y + CONFIG_PCI_MSI=y +diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig +index da0e8d535eb8..c016af41ab4f 100644 +--- a/arch/powerpc/configs/ppc6xx_defconfig ++++ b/arch/powerpc/configs/ppc6xx_defconfig +@@ -74,7 +74,7 @@ CONFIG_QE_GPIO=y + CONFIG_MCU_MPC8349EMITX=y + CONFIG_HIGHMEM=y + CONFIG_HZ_1000=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_BINFMT_MISC=y + CONFIG_HIBERNATION=y + CONFIG_PM_DEBUG=y +diff --git a/arch/score/configs/spct6600_defconfig b/arch/score/configs/spct6600_defconfig +index b2d8802f43b4..46434ca1fa10 100644 +--- a/arch/score/configs/spct6600_defconfig ++++ b/arch/score/configs/spct6600_defconfig +@@ -1,5 +1,5 @@ + CONFIG_HZ_100=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_EXPERIMENTAL=y + # CONFIG_LOCALVERSION_AUTO is not set + CONFIG_SYSVIPC=y +diff --git a/arch/sh/configs/se7712_defconfig b/arch/sh/configs/se7712_defconfig +index 5a1097641247..eb5fbf554e7f 100644 +--- a/arch/sh/configs/se7712_defconfig ++++ b/arch/sh/configs/se7712_defconfig +@@ -23,7 +23,7 @@ CONFIG_FLATMEM_MANUAL=y + CONFIG_SH_SOLUTION_ENGINE=y + CONFIG_SH_PCLK_FREQ=66666666 + CONFIG_HEARTBEAT=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_CMDLINE_OVERWRITE=y + CONFIG_CMDLINE="console=ttySC0,115200 root=/dev/sda1" + CONFIG_NET=y +diff --git a/arch/sh/configs/se7721_defconfig b/arch/sh/configs/se7721_defconfig +index 9c0ef13bee10..cbaa65c8bf9e 100644 +--- a/arch/sh/configs/se7721_defconfig ++++ b/arch/sh/configs/se7721_defconfig +@@ -23,7 +23,7 @@ CONFIG_FLATMEM_MANUAL=y + CONFIG_SH_7721_SOLUTION_ENGINE=y + CONFIG_SH_PCLK_FREQ=33333333 + CONFIG_HEARTBEAT=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_CMDLINE_OVERWRITE=y + CONFIG_CMDLINE="console=ttySC0,115200 root=/dev/sda2" + CONFIG_NET=y +diff --git a/arch/sh/configs/titan_defconfig b/arch/sh/configs/titan_defconfig +index ceb48e9b70f4..1a69eda6610c 100644 +--- a/arch/sh/configs/titan_defconfig ++++ b/arch/sh/configs/titan_defconfig +@@ -20,7 +20,7 @@ CONFIG_SH_TITAN=y + CONFIG_SH_PCLK_FREQ=30000000 + CONFIG_SH_DMA=y + CONFIG_SH_DMA_API=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_CMDLINE_OVERWRITE=y + CONFIG_CMDLINE="console=ttySC1,38400N81 root=/dev/nfs ip=:::::eth1:autoconf rw" + CONFIG_PCI=y +diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig +index 4d4e1cc6402f..04bea1d28ba7 100644 +--- a/arch/sparc/configs/sparc64_defconfig ++++ b/arch/sparc/configs/sparc64_defconfig +@@ -22,7 +22,7 @@ CONFIG_NO_HZ=y + CONFIG_HIGH_RES_TIMERS=y + CONFIG_NUMA=y + CONFIG_DEFAULT_MMAP_MIN_ADDR=8192 +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_SUN_LDOMS=y + CONFIG_PCI=y + CONFIG_PCI_MSI=y +diff --git a/arch/tile/configs/tilegx_defconfig b/arch/tile/configs/tilegx_defconfig +index 9f94435cc44f..aa78ee6cd5eb 100644 +--- a/arch/tile/configs/tilegx_defconfig ++++ b/arch/tile/configs/tilegx_defconfig +@@ -47,7 +47,7 @@ CONFIG_CFQ_GROUP_IOSCHED=y + CONFIG_NR_CPUS=100 + CONFIG_HZ_100=y + # CONFIG_COMPACTION is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_TILE_PCI_IO=y + CONFIG_PCI_DEBUG=y + # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +diff --git a/arch/tile/configs/tilepro_defconfig b/arch/tile/configs/tilepro_defconfig +index 1c5bd4f8ffca..38005862062c 100644 +--- a/arch/tile/configs/tilepro_defconfig ++++ b/arch/tile/configs/tilepro_defconfig +@@ -44,7 +44,7 @@ CONFIG_KARMA_PARTITION=y + CONFIG_CFQ_GROUP_IOSCHED=y + CONFIG_HZ_100=y + # CONFIG_COMPACTION is not set +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_PCI_DEBUG=y + # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set + CONFIG_BINFMT_MISC=y +diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig +index 0eb9f92f3717..e5890ae917e5 100644 +--- a/arch/x86/configs/i386_defconfig ++++ b/arch/x86/configs/i386_defconfig +@@ -41,7 +41,7 @@ CONFIG_SMP=y + CONFIG_X86_GENERIC=y + CONFIG_HPET_TIMER=y + CONFIG_SCHED_SMT=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y + CONFIG_X86_MCE=y + CONFIG_X86_REBOOTFIXUPS=y +diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig +index 4a4b16e56d35..7452dcadda74 100644 +--- a/arch/x86/configs/x86_64_defconfig ++++ b/arch/x86/configs/x86_64_defconfig +@@ -40,7 +40,7 @@ CONFIG_SMP=y + CONFIG_CALGARY_IOMMU=y + CONFIG_NR_CPUS=64 + CONFIG_SCHED_SMT=y +-CONFIG_PREEMPT_VOLUNTARY=y ++CONFIG_PREEMPT=y + CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y + CONFIG_X86_MCE=y + CONFIG_MICROCODE=y +diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt +index 3f9c97419f02..1dc79ec7ad09 100644 +--- a/kernel/Kconfig.preempt ++++ b/kernel/Kconfig.preempt +@@ -1,7 +1,7 @@ + + choice + prompt "Preemption Model" +- default PREEMPT_NONE ++ default PREEMPT + + config PREEMPT_NONE + bool "No Forced Preemption (Server)" +@@ -17,7 +17,7 @@ config PREEMPT_NONE + latencies. + + config PREEMPT_VOLUNTARY +- bool "Voluntary Kernel Preemption (Desktop)" ++ bool "Voluntary Kernel Preemption (Nothing)" + help + This option reduces the latency of the kernel by adding more + "explicit preemption points" to the kernel code. These new +@@ -31,7 +31,8 @@ config PREEMPT_VOLUNTARY + applications to run more 'smoothly' even when the system is + under load. + +- Select this if you are building a kernel for a desktop system. ++ Select this for no system in particular (choose Preemptible ++ instead on a desktop if you know what's good for you). + + config PREEMPT + bool "Preemptible Kernel (Low-Latency Desktop)" +-- +2.11.0 + |