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SubjectRe: [PATCH 2/3] MIPS: Select CONFIG_GENERIC_IDLE_POLL_SETUP
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@flygoat.com>
> ---
> 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 ]

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