From: Caesar Wang <caesar.upstream-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: Huang Tao <huangtao-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
Thomas Petazzoni
<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
hl-TNX95d0MmH7DzftRWevZcw@public.gmane.org,
Ard Biesheuvel
<ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>,
Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
Nadav Haklai <nadavh-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
cwz-TNX95d0MmH7DzftRWevZcw@public.gmane.org,
Kever Yang <kever.yang-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
Jonathan Stone <j.stone-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
Gregory CLEMENT
<gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Caesar Wang <wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
Subject: Re: [RESEND PATCH] ARM: errata: Workaround for Cortex-A12 erratum 818325
Date: Tue, 3 Nov 2015 17:04:16 +0800 [thread overview]
Message-ID: <56387890.2090802@gmail.com> (raw)
In-Reply-To: <7094999.meGITi6gTu@wuerfel>
在 2015年11月03日 16:45, Arnd Bergmann 写道:
> On Tuesday 03 November 2015 16:10:09 Caesar Wang wrote:
>> + /* Cortex-A12 Errata */
>> + ldr r10, =0x00000c0d @ Cortex-A12 primary part number
>> + teq r0, r10
>> + bne 5f
beq __ca15_errata:
>> +#ifdef CONFIG_ARM_ERRATA_818325
>> + teq r6, #0x00 @ present in r0p0
>> + teqne r6, #0x01 @ present in r0p1-00lac0-rc11
>> + mrceq p15, 0, r10, c15, c0, 1 @ read diagnostic register
>> + orreq r10, r10, #1 << 12 @ set bit #12
>> + mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register
>> + isb
>> +#endif
>> /* Cortex-A15 Errata */
>>
> Does this still build? You seem to have lost the '5:' label.
No, I didn't have build in next kernel.
Yup, the patch need a bit change from the message.
commit 17e7bf86690eaad4906d2295f0bd171cc194633b
Author: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sat Apr 4 21:34:33 2015 +0100
ARM: proc-v7: move CPU errata out of line
-----
Original patch:
https://patchwork.kernel.org/patch/4735341/
Applied and verified on kernel V3.14.
>
> Arnd
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
Thanks,
Caesar
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next prev parent reply other threads:[~2015-11-03 9:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-03 8:10 [RESEND PATCH 0/1] Fix the "hard LOCKUP" when running a heavy loading Caesar Wang
[not found] ` <1446538209-13490-1-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2015-11-03 8:10 ` [RESEND PATCH] ARM: errata: Workaround for Cortex-A12 erratum 818325 Caesar Wang
[not found] ` <1446538209-13490-2-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2015-11-03 8:45 ` Arnd Bergmann
2015-11-03 9:04 ` Caesar Wang [this message]
2015-11-03 10:21 ` kbuild test robot
2015-11-03 10:41 ` [PATCH v1] " Caesar Wang
2015-11-03 11:14 ` [RESEND PATCH 0/1] Fix the "hard LOCKUP" when running a heavy loading Russell King - ARM Linux
2015-11-03 12:00 ` Huang, Tao
2015-11-03 11:30 ` Will Deacon
2015-11-03 19:00 ` Doug Anderson
2015-11-06 12:17 ` Will Deacon
2015-11-09 4:39 ` Doug Anderson
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