Gh0st
/
linux
mirror of https://github.com/torvalds/linux.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

vdso: Drop Kconfig GENERIC_VDSO_TIME_NS 

All architectures implementing time-related functionality in the vDSO are
using the generic vDSO library which handles time namespaces properly.

Remove the now unnecessary Kconfig symbol.

Enables the use of time namespaces on architectures, which use the
generic vDSO but did not enable GENERIC_VDSO_TIME_NS, namely MIPS and arm.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/all/20250826-vdso-cleanups-v1-10-d9b65750e49f@linutronix.de
This commit is contained in:
Thomas Weißschuh 2025-08-26 08:17:13 +02:00 committed by Thomas Gleixner
parent 7b338f6d4e
commit bad53ae2dc
9 changed files with 1 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm64/Kconfig
View File

@ -162,7 +162,6 @@ config ARM64
select GENERIC_SMP_IDLE_THREAD select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL select GENERIC_TIME_VSYSCALL
select GENERIC_GETTIMEOFDAY select GENERIC_GETTIMEOFDAY
select GENERIC_VDSO_TIME_NS
select HARDIRQS_SW_RESEND select HARDIRQS_SW_RESEND
select HAS_IOPORT select HAS_IOPORT
select HAVE_MOVE_PMD select HAVE_MOVE_PMD

1
arch/loongarch/Kconfig
View File

@ -108,7 +108,6 @@ config LOONGARCH
select GENERIC_SCHED_CLOCK select GENERIC_SCHED_CLOCK
select GENERIC_SMP_IDLE_THREAD select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL select GENERIC_TIME_VSYSCALL
select GENERIC_VDSO_TIME_NS
select GPIOLIB select GPIOLIB
select HAS_IOPORT select HAS_IOPORT
select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_AUDITSYSCALL

1
arch/powerpc/Kconfig
View File

@ -207,7 +207,6 @@ config PPC
select GENERIC_PCI_IOMAP if PCI select GENERIC_PCI_IOMAP if PCI
select GENERIC_SMP_IDLE_THREAD select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL select GENERIC_TIME_VSYSCALL
select GENERIC_VDSO_TIME_NS
select HAS_IOPORT if PCI select HAS_IOPORT if PCI
select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP

1
arch/riscv/Kconfig
View File

@ -121,7 +121,6 @@ config RISCV
select GENERIC_SCHED_CLOCK select GENERIC_SCHED_CLOCK
select GENERIC_SMP_IDLE_THREAD select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL if GENERIC_GETTIMEOFDAY select GENERIC_TIME_VSYSCALL if GENERIC_GETTIMEOFDAY
select GENERIC_VDSO_TIME_NS if GENERIC_GETTIMEOFDAY
select HARDIRQS_SW_RESEND select HARDIRQS_SW_RESEND
select HAS_IOPORT if MMU select HAS_IOPORT if MMU
select HAVE_ALIGNED_STRUCT_PAGE select HAVE_ALIGNED_STRUCT_PAGE

1
arch/s390/Kconfig
View File

@ -167,7 +167,6 @@ config S390
select GENERIC_GETTIMEOFDAY select GENERIC_GETTIMEOFDAY
select GENERIC_SMP_IDLE_THREAD select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL select GENERIC_TIME_VSYSCALL
select GENERIC_VDSO_TIME_NS
select GENERIC_IOREMAP if PCI select GENERIC_IOREMAP if PCI
select HAVE_ALIGNED_STRUCT_PAGE select HAVE_ALIGNED_STRUCT_PAGE
select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_AUDITSYSCALL

1
arch/x86/Kconfig
View File

@ -181,7 +181,6 @@ config X86
select GENERIC_SMP_IDLE_THREAD select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL select GENERIC_TIME_VSYSCALL
select GENERIC_GETTIMEOFDAY select GENERIC_GETTIMEOFDAY
select GENERIC_VDSO_TIME_NS
select GENERIC_VDSO_OVERFLOW_PROTECT select GENERIC_VDSO_OVERFLOW_PROTECT
select GUP_GET_PXX_LOW_HIGH if X86_PAE select GUP_GET_PXX_LOW_HIGH if X86_PAE
select HARDIRQS_SW_RESEND select HARDIRQS_SW_RESEND

2
init/Kconfig
View File

@ -1347,7 +1347,7 @@ config UTS_NS
config TIME_NS config TIME_NS
bool "TIME namespace" bool "TIME namespace"
depends on GENERIC_VDSO_TIME_NS depends on GENERIC_GETTIMEOFDAY
default y default y
help help
In this namespace boottime and monotonic clocks can be set. In this namespace boottime and monotonic clocks can be set.

6
lib/vdso/Kconfig
View File

@ -12,12 +12,6 @@ config GENERIC_GETTIMEOFDAY
Each architecture that enables this feature has to Each architecture that enables this feature has to
provide the fallback implementation. provide the fallback implementation.
config GENERIC_VDSO_TIME_NS
bool
help
Selected by architectures which support time namespaces in the
VDSO
config GENERIC_VDSO_OVERFLOW_PROTECT config GENERIC_VDSO_OVERFLOW_PROTECT
bool bool
help help

1
tools/testing/selftests/pidfd/config
View File

@ -4,6 +4,5 @@ CONFIG_USER_NS=y
CONFIG_PID_NS=y CONFIG_PID_NS=y
CONFIG_NET_NS=y CONFIG_NET_NS=y
CONFIG_TIME_NS=y CONFIG_TIME_NS=y
CONFIG_GENERIC_VDSO_TIME_NS=y
CONFIG_CGROUPS=y CONFIG_CGROUPS=y
CONFIG_CHECKPOINT_RESTORE=y CONFIG_CHECKPOINT_RESTORE=y