From: Wei Liu <wei.liu@kernel.org>
To: Michael Kelley <mikelley@microsoft.com>
Cc: Wei Liu <wei.liu@kernel.org>,
Stephen Hemminger <sthemmin@microsoft.com>,
KY Srinivasan <kys@microsoft.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
"bp@alien8.de" <bp@alien8.de>, "hpa@zytor.com" <hpa@zytor.com>,
"daniel.lezcano@linaro.org" <daniel.lezcano@linaro.org>,
"arnd@arndb.de" <arnd@arndb.de>,
"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>
Subject: Re: [PATCH 08/10] clocksource/drivers/hyper-v: Handle sched_clock differences inline
Date: Thu, 4 Feb 2021 16:31:31 +0000 [thread overview]
Message-ID: <20210204163131.4i63wpyyauvcsdpc@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <MWHPR21MB159351D13368615E9E3A8C46D7B39@MWHPR21MB1593.namprd21.prod.outlook.com>
On Thu, Feb 04, 2021 at 04:28:38PM +0000, Michael Kelley wrote:
> From: Wei Liu <wei.liu@kernel.org> Sent: Monday, February 1, 2021 10:55 AM
> >
> > On Wed, Jan 27, 2021 at 12:23:43PM -0800, Michael Kelley wrote:
> > [...]
> > > +/*
> > > + * Reference to pv_ops must be inline so objtool
> > > + * detection of noinstr violations can work correctly.
> > > + */
> > > +static __always_inline void hv_setup_sched_clock(void *sched_clock)
> >
> > sched_clock_register is not trivial. Having __always_inline here is
> > going to make the compiled object bloated.
> >
> > Given this is a static function, I don't think we need to specify any
> > inline keyword. The compiler should be able to determine whether this
> > function should be inlined all by itself.
> >
> > Wei.
>
> There was an explicit request from Peter Zijlstra and Thomas Gleixner
> to force it inline. See https://lore.kernel.org/patchwork/patch/1283635/ and
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/x86/include/asm/mshyperv.h?id=b9d8cf2eb3ceecdee3434b87763492aee9e28845
Oh. noinstr. I failed to notice the comment. Sorry for the noise.
Wei.
next prev parent reply other threads:[~2021-02-04 16:33 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-27 20:23 [PATCH 00/10] Refactor arch specific Hyper-V code Michael Kelley
2021-01-27 20:23 ` [PATCH 01/10] Drivers: hv: vmbus: Move Hyper-V page allocator to arch neutral code Michael Kelley
2021-02-22 3:04 ` Boqun Feng
2021-01-27 20:23 ` [PATCH 02/10] x86/hyper-v: Move hv_message_type to architecture neutral module Michael Kelley
2021-02-22 3:19 ` Boqun Feng
2021-01-27 20:23 ` [PATCH 03/10] Drivers: hv: Redo Hyper-V synthetic MSR get/set functions Michael Kelley
2021-02-22 3:25 ` Boqun Feng
2021-01-27 20:23 ` [PATCH 04/10] Drivers: hv: vmbus: Move hyperv_report_panic_msg to arch neutral code Michael Kelley
2021-02-22 3:27 ` Boqun Feng
2021-01-27 20:23 ` [PATCH 05/10] Drivers: hv: vmbus: Handle auto EOI quirk inline Michael Kelley
2021-02-22 3:30 ` Boqun Feng
2021-01-27 20:23 ` [PATCH 06/10] Drivers: hv: vmbus: Move handling of VMbus interrupts Michael Kelley
2021-02-22 3:54 ` Boqun Feng
2021-01-27 20:23 ` [PATCH 07/10] clocksource/drivers/hyper-v: Handle vDSO differences inline Michael Kelley
2021-02-22 4:07 ` Boqun Feng
2021-01-27 20:23 ` [PATCH 08/10] clocksource/drivers/hyper-v: Handle sched_clock " Michael Kelley
2021-02-01 18:55 ` Wei Liu
2021-02-04 16:28 ` Michael Kelley
2021-02-04 16:31 ` Wei Liu [this message]
2021-02-22 15:17 ` Boqun Feng
2021-01-27 20:23 ` [PATCH 09/10] clocksource/drivers/hyper-v: Set clocksource rating based on Hyper-V feature Michael Kelley
2021-02-22 16:01 ` Boqun Feng
2021-02-22 22:48 ` Michael Kelley
2021-01-27 20:23 ` [PATCH 10/10] clocksource/drivers/hyper-v: Move handling of STIMER0 interrupts Michael Kelley
2021-02-01 19:53 ` Wei Liu
2021-02-04 16:30 ` Michael Kelley
2021-02-23 6:47 ` Boqun Feng
2021-02-25 18:56 ` Michael Kelley
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