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Date:   Tue, 1 Dec 2020 13:24:10 -0500
From:   Joel Fernandes <joel@joelfernandes.org>
To:     Peter Zijlstra <peterz@infradead.org>
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Subject: Re: [PATCH -tip 19/32] entry/idle: Enter and exit kernel protection
 during idle entry and exit
Message-ID: <20201201182410.GA209213@google.com>
References: <20201117232003.3580179-1-joel@joelfernandes.org>
 <20201117232003.3580179-20-joel@joelfernandes.org>
 <20201124161335.GB3021@hirez.programming.kicks-ass.net>
 <20201124180343.GF1021337@google.com>
 <20201125084908.GO2414@hirez.programming.kicks-ass.net>
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On Wed, Nov 25, 2020 at 09:49:08AM +0100, Peter Zijlstra wrote:
> On Tue, Nov 24, 2020 at 01:03:43PM -0500, Joel Fernandes wrote:
> > On Tue, Nov 24, 2020 at 05:13:35PM +0100, Peter Zijlstra wrote:
> > > On Tue, Nov 17, 2020 at 06:19:49PM -0500, Joel Fernandes (Google) wrote:
> 
> > > > +static inline void generic_idle_enter(void)
> > > > +static inline void generic_idle_exit(void)
> 
> > > That naming is terrible..
> > 
> > Yeah sorry :-\. The naming I chose was to be aligned with the
> > CONFIG_GENERIC_ENTRY naming. I am open to ideas on that.
> 
> entry_idle_{enter,exit}() ?

Sounds good to me.

> > > I'm confused.. arch_cpu_idle_{enter,exit}() weren't conveniently placed
> > > for you?
> > 
> > The way this patch series works, it does not depend on arch code as much as
> > possible. Since there are other arch that may need this patchset such as ARM,
> > it may be better to keep it in the generic entry code.  Thoughts?
> 
> I didn't necessarily mean using those hooks, even placing your new hooks
> right next to them would've covered the exact same code with less lines
> modified.

Ok sure. I will improve it this way for next posting.

thanks,

 - Joel