On Sun, May 21, 2023 at 11:31:23PM +0100, Jiaxun Yang wrote: > hlt,nohlt paramaters are useful when debugging cpuidle > related issues. > > Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> > --- > Documentation/admin-guide/kernel-parameters.txt | 4 ++-- > arch/mips/Kconfig | 1 + > 2 files changed, 3 insertions(+), 2 deletions(-) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index 515cd1f88ea2..9c502d3aa0cd 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -3694,8 +3694,8 @@ > > nohibernate [HIBERNATION] Disable hibernation and resume. > > - nohlt [ARM,ARM64,MICROBLAZE,SH] Forces the kernel to busy wait > - in do_idle() and not use the arch_cpu_idle() > + nohlt [ARM,ARM64,MICROBLAZE,MIPS,SH] Forces the kernel to > + busy wait in do_idle() and not use the arch_cpu_idle() > implementation; requires CONFIG_GENERIC_IDLE_POLL_SETUP > to be effective. This is useful on platforms where the > sleep(SH) or wfi(ARM,ARM64) instructions do not work > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 5f52bdecb4c9..e437bf43ecfc 100644 > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -45,6 +45,7 @@ config MIPS > select GENERIC_LIB_UCMPDI2 > select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC > select GENERIC_SMP_IDLE_THREAD > + select GENERIC_IDLE_POLL_SETUP > select GENERIC_TIME_VSYSCALL > select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT > select HAS_IOPORT if !NO_IOPORT_MAP || ISA > -- > 2.39.2 (Apple Git-143) applied to mips-next. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
