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Date:   Wed, 3 Jun 2020 14:31:03 +0200
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
Message-ID: <20200603123103.GI2604@hirez.programming.kicks-ass.net>
References: <20200531182453.15254-1-ggherdovich@suse.cz>
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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!