From: Michael Ellerman <patch-notifications@ellerman•id.au>
To: Michael Ellerman <mpe@ellerman•id.au>, linuxppc-dev@ozlabs•org
Cc: pc@us•ibm.com
Subject: Re: powerpc/64: Fix L1D cache shape vector reporting L1I values
Date: Wed, 8 Mar 2017 18:26:00 +1100 (AEDT) [thread overview]
Message-ID: <3vdQ6w15bkz9sNH@ozlabs.org> (raw)
In-Reply-To: <1488798929-4546-1-git-send-email-mpe@ellerman.id.au>
On Mon, 2017-03-06 at 11:15:29 UTC, Michael Ellerman wrote:
> It seems we didn't pay quite enough attention when testing the new cache
> shape vectors, which means we didn't notice the bug where the vector for
> the L1D was using the L1I values. Fix it, resulting in eg:
>
> L1I cache size: 0x8000 32768B 32K
> L1I line size: 0x80 8-way associative
> L1D cache size: 0x10000 65536B 64K
> L1D line size: 0x80 8-way associative
>
> Fixes: 98a5f361b862 ("powerpc: Add new cache geometry aux vectors")
> Cut-and-paste-bug-by: Benjamin Herrenschmidt <benh@kernel•crashing.org>
> Badly-reviewed-by: Michael Ellerman <mpe@ellerman•id.au>
> Signed-off-by: Michael Ellerman <mpe@ellerman•id.au>
Applied to powerpc fixes.
https://git.kernel.org/powerpc/c/9c7a00868c3a77c86ab07a2c51f3bb
cheers
prev parent reply other threads:[~2017-03-08 7:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-06 11:15 [PATCH] powerpc/64: Fix L1D cache shape vector reporting L1I values Michael Ellerman
2017-03-08 7:26 ` Michael Ellerman [this message]
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