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Date:   Mon, 27 Nov 2023 16:42:02 -0800
From:   Tony Luck <tony.luck@intel.com>
To:     Borislav Petkov <bp@alien8.de>
Cc:     Yazen Ghannam <yazen.ghannam@amd.com>,
        Smita.KoralahalliChannabasappa@amd.com,
        dave.hansen@linux.intel.com, x86@kernel.org,
        linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org,
        patches@lists.linux.dev
Subject: Re: [PATCH v9 2/3] x86/mce: Add per-bank CMCI storm mitigation
Message-ID: <ZWU3WkmUMz3Wk9wT@agluck-desk3>
References: <20230929181626.210782-1-tony.luck@intel.com>
 <20231004183623.17067-1-tony.luck@intel.com>
 <20231004183623.17067-3-tony.luck@intel.com>
 <20231019151211.GHZTFHS3osBIL1IJbF@fat_crate.local>
 <ZTa37L2nlnbok8dz@agluck-desk3>
 <20231114192324.GAZVPJLGZmfJBS181/@fat_crate.local>
 <ZVPu/hX9b7lUkrBY@agluck-desk3>
 <20231121115448.GCZVyaiNkNvb4t2NxB@fat_crate.local>
 <ZWTzAujHdrJ950F3@agluck-desk3>
 <ZWT4pAJ6g0i78wec@agluck-desk3>
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On Mon, Nov 27, 2023 at 12:14:28PM -0800, Tony Luck wrote:
> On Mon, Nov 27, 2023 at 11:50:26AM -0800, Tony Luck wrote:
> > On Tue, Nov 21, 2023 at 12:54:48PM +0100, Borislav Petkov wrote:
> > > On Tue, Nov 14, 2023 at 02:04:46PM -0800, Tony Luck wrote:
> > But it isn't doing the same thing.  The timer calls:
> > 
> > 	machine_check_poll(0, this_cpu_ptr(&mce_poll_banks));
> > 
> > and cmci_mc_poll_banks() calls:
> > 
> > 	machine_check_poll(0, this_cpu_ptr(&mce_poll_banks));

        machine_check_poll(0, this_cpu_ptr(&mce_banks_owned));

> 
> Bah ... I've cut & pasted the same thing ... but I think there
> are separate bit maps ... maybe I'm wrong. Will go back and
> look again.
> 
> -Tony