rseq: Provide static branch for time slice extensions

Guard the time slice extension functionality with a static key, which can
be disabled on the kernel command line.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20251215155708.733429292@linutronix.de
This commit is contained in:
Thomas Gleixner
2025-12-15 17:52:06 +01:00
committed by Peter Zijlstra
parent d7a5da7a0f
commit f8380f9768
3 changed files with 33 additions and 0 deletions

View File

@@ -6600,6 +6600,11 @@ Kernel parameters
rootflags= [KNL] Set root filesystem mount option string
rseq_slice_ext= [KNL] RSEQ based time slice extension
Format: boolean
Control enablement of RSEQ based time slice extension.
Default is 'on'.
initramfs_options= [KNL]
Specify mount options for for the initramfs mount.