From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>,
Nathan Lynch <nathanl@linux.ibm.com>,
Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>,
"Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>,
Tyrel Datwyler <tyreld@linux.ibm.com>
Cc: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 1/5] powerpc: Move idle_loop_prolog()/epilog() functions to header file
Date: Wed, 6 May 2020 12:51:02 +1000 (AEST) [thread overview]
Message-ID: <49H1Lb02frz9sSw@ozlabs.org> (raw)
In-Reply-To: <1586249263-14048-2-git-send-email-ego@linux.vnet.ibm.com>
On Tue, 2020-04-07 at 08:47:39 UTC, "Gautham R. Shenoy" wrote:
> From: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>
>
> Currently prior to entering an idle state on a Linux Guest, the
> pseries cpuidle driver implement an idle_loop_prolog() and
> idle_loop_epilog() functions which ensure that idle_purr is correctly
> computed, and the hypervisor is informed that the CPU cycles have been
> donated.
>
> These prolog and epilog functions are also required in the default
> idle call, i.e pseries_lpar_idle(). Hence move these accessor
> functions to a common header file and call them from
> pseries_lpar_idle(). Since the existing header files such as
> asm/processor.h have enough clutter, create a new header file
> asm/idle.h. Finally rename idle_loop_prolog() and idle_loop_epilog()
> to pseries_idle_prolog() and pseries_idle_epilog() as they are only
> relavent for on pseries guests.
>
> Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Series applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/e4a884cc28fa3f5d8b81de46998ffe29b4ad169e
cheers
next prev parent reply other threads:[~2020-05-06 2:53 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-07 8:47 [PATCH v5 0/5] Track and expose idle PURR and SPURR ticks Gautham R. Shenoy
2020-04-07 8:47 ` Gautham R. Shenoy
2020-04-07 8:47 ` [PATCH v5 1/5] powerpc: Move idle_loop_prolog()/epilog() functions to header file Gautham R. Shenoy
2020-04-07 8:47 ` Gautham R. Shenoy
2020-05-06 2:51 ` Michael Ellerman [this message]
2020-04-07 8:47 ` [PATCH v5 2/5] powerpc/idle: Store PURR snapshot in a per-cpu global variable Gautham R. Shenoy
2020-04-07 8:47 ` Gautham R. Shenoy
2020-04-07 8:47 ` [PATCH v5 3/5] powerpc/pseries: Account for SPURR ticks on idle CPUs Gautham R. Shenoy
2020-04-07 8:47 ` Gautham R. Shenoy
2020-04-07 8:47 ` [PATCH v5 4/5] powerpc/sysfs: Show idle_purr and idle_spurr for every CPU Gautham R. Shenoy
2020-04-07 8:47 ` Gautham R. Shenoy
2020-04-07 8:47 ` [PATCH v5 5/5] Documentation: Document sysfs interfaces purr, spurr, idle_purr, idle_spurr Gautham R. Shenoy
2020-04-07 8:47 ` Gautham R. Shenoy
2020-04-07 9:05 ` [PATCH v5 0/5] Track and expose idle PURR and SPURR ticks Naveen N. Rao
2020-04-07 9:05 ` Naveen N. Rao
2020-04-07 11:24 ` Kamalesh Babulal
2020-04-20 22:46 ` Tyrel Datwyler
2020-04-23 10:02 ` Gautham R Shenoy
2020-04-23 10:02 ` Gautham R Shenoy
2020-04-30 2:34 ` Michael Ellerman
2020-04-30 2:34 ` Michael Ellerman
2020-04-30 4:16 ` Gautham R Shenoy
2020-04-30 4:16 ` Gautham R Shenoy
2020-05-01 5:50 ` Gautham R Shenoy
2020-05-01 5:50 ` Gautham R Shenoy
2020-04-21 13:30 ` Nathan Lynch
2020-04-21 13:30 ` Nathan Lynch
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