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From: Peter Zijlstra <peterz@infradead.org>
To: Giovanni Gherdovich <ggherdovich@suse.cz>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@suse.de>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	x86@kernel.org, linux-pm@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Subject: Re: [PATCH v2 0/3] More frequency invariance fixes for x86
Date: Wed, 3 Jun 2020 14:31:03 +0200	[thread overview]
Message-ID: <20200603123103.GI2604@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200531182453.15254-1-ggherdovich@suse.cz>

On Sun, May 31, 2020 at 08:24:50PM +0200, Giovanni Gherdovich wrote:
> changes wrt v1:
> 
> - add Peter Zijlstra's code to check for multiplication overflow, see
>   https://lore.kernel.org/lkml/20200501133042.GE3762@hirez.programming.kicks-ass.net/
> - put all frequence invariant code behind CONFIG_X86_64, as the overflow
>   checks need 64 bits operations, see the build error at
>   https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org/thread/7GDIBOMNVDG5W2XZD4EICE2TUZR3THBN/
> - add additional patch to check for when base_freq > turbo_freq,
>   suggested by Peter Zijlstra at
>   https://lore.kernel.org/lkml/20200501130427.GD3762@hirez.programming.kicks-ass.net/

Thanks!

      parent reply	other threads:[~2020-06-03 12:31 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-31 18:24 [PATCH v2 0/3] More frequency invariance fixes for x86 Giovanni Gherdovich
2020-05-31 18:24 ` [PATCH v2 1/3] x86, sched: check for counters overflow in frequency invariant accounting Giovanni Gherdovich
2020-06-03 14:22   ` Rafael J. Wysocki
2020-06-16 12:21   ` [tip: sched/core] " tip-bot2 for Giovanni Gherdovich
2020-10-22  8:46   ` [PATCH v2 1/3] " Peter Zijlstra
2020-10-22 12:21     ` Giovanni Gherdovich
2020-10-22 12:30       ` Peter Zijlstra
2020-05-31 18:24 ` [PATCH v2 2/3] x86, sched: Bail out of frequency invariance if turbo frequency is unknown Giovanni Gherdovich
2020-06-01 23:34   ` Ricardo Neri
2020-07-06 20:19     ` Ira Weiny
2020-06-03 14:23   ` Rafael J. Wysocki
2020-06-16 12:21   ` [tip: sched/core] " tip-bot2 for Giovanni Gherdovich
2020-05-31 18:24 ` [PATCH v2 3/3] x86, sched: Bail out of frequency invariance if turbo_freq/base_freq gives 0 Giovanni Gherdovich
2020-06-03 14:51   ` Rafael J. Wysocki
2020-06-16 12:21   ` [tip: sched/core] " tip-bot2 for Giovanni Gherdovich
2020-06-03 12:31 ` Peter Zijlstra [this message]

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