Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'sched-rt-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RT enablement from Thomas Gleixner:
"Enable PREEMPT_RT on supported architectures:
After twenty years of development we finally reached the point to
enable PREEMPT_RT support in the mainline kernel.
All prerequisites are merged, so enable it on the supported
architectures ARM64, RISCV and X86(32/64-bit)"
* tag 'sched-rt-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
riscv: Allow to enable PREEMPT_RT.
arm64: Allow to enable PREEMPT_RT.
x86: Allow to enable PREEMPT_RT.
+3
+1
arch/arm64/Kconfig
+1
arch/arm64/Kconfig
···
101
101
select ARCH_SUPPORTS_NUMA_BALANCING
102
102
select ARCH_SUPPORTS_PAGE_TABLE_CHECK
103
103
select ARCH_SUPPORTS_PER_VMA_LOCK
104
+
select ARCH_SUPPORTS_RT
104
105
select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
105
106
select ARCH_WANT_COMPAT_IPC_PARSE_VERSION if COMPAT
106
107
select ARCH_WANT_DEFAULT_BPF_JIT
+1
arch/riscv/Kconfig
+1
arch/riscv/Kconfig
···
65
65
select ARCH_SUPPORTS_LTO_CLANG_THIN if LLD_VERSION >= 140000
66
66
select ARCH_SUPPORTS_PAGE_TABLE_CHECK if MMU
67
67
select ARCH_SUPPORTS_PER_VMA_LOCK if MMU
68
+
select ARCH_SUPPORTS_RT
68
69
select ARCH_SUPPORTS_SHADOW_CALL_STACK if HAVE_SHADOW_CALL_STACK
69
70
select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
70
71
select ARCH_USE_MEMTEST
+1
arch/x86/Kconfig
+1
arch/x86/Kconfig
···
124
124
select ARCH_USES_CFI_TRAPS if X86_64 && CFI_CLANG
125
125
select ARCH_SUPPORTS_LTO_CLANG
126
126
select ARCH_SUPPORTS_LTO_CLANG_THIN
127
+
select ARCH_SUPPORTS_RT
127
128
select ARCH_USE_BUILTIN_BSWAP
128
129
select ARCH_USE_CMPXCHG_LOCKREF if X86_CMPXCHG64
129
130
select ARCH_USE_MEMTEST