From: Paul Burton <paulburton@kernel.org>
To: Zhou Yanjie <zhouyanjie@zoho.com>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, ralf@linux-mips.org,
paulburton@kernel.org, jhogan@kernel.org, paul@crapouillou.net,
jiaxun.yang@flygoat.com, gregkh@linuxfoundation.org,
malat@debian.org, tglx@linutronix.de, chenhc@lemote.com
Cc: linux-mips@vger.kernel.org
Subject: Re: [PATCH 2/2 v3] MIPS: Ingenic: Disable abandoned HPTLB function.
Date: Fri, 22 Nov 2019 14:06:17 -0800 [thread overview]
Message-ID: <5dd85bd9.1c69fb81.55be.599c@mx.google.com> (raw)
In-Reply-To: <1574173727-123321-3-git-send-email-zhouyanjie@zoho.com>
Hello,
Zhou Yanjie wrote:
> JZ4760/JZ4770/JZ4775/X1000/X1500 has an abandoned huge page tlb,
> this mode is not compatible with the MIPS standard, it will cause
> tlbmiss and into an infinite loop (line 21 in the tlb-funcs.S)
> when starting the init process. write 0xa9000000 to cp0 register 5
> sel 4 to disable this function to prevent getting stuck. Confirmed
> by Ingenic, this operation will not adversely affect processors
> without HPTLB function.
Applied to mips-next.
> commit b02efeb05699
> https://git.kernel.org/mips/c/b02efeb05699
>
> Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com>
> Acked-by: Paul Cercueil <paul@crapouillou.net>
> Signed-off-by: Paul Burton <paulburton@kernel.org>
Thanks,
Paul
[ This message was auto-generated; if you believe anything is incorrect
then please email paulburton@kernel.org to report it. ]
prev parent reply other threads:[~2019-11-22 22:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 9:28 MIPS: Ingenic: Disable abandoned HPTLB function Zhou Yanjie
2019-10-24 9:29 ` [PATCH 1/2] MIPS: Rename JZRISC to XBurst Zhou Yanjie
2019-10-24 9:29 ` [PATCH 2/2] MIPS: Ingenic: Disable abandoned HPTLB function Zhou Yanjie
2019-11-15 21:37 ` Paul Burton
2019-11-16 10:11 ` Zhou Yanjie
2019-11-17 11:49 ` Paul Cercueil
2019-11-17 16:36 ` Zhou Yanjie
2019-11-18 4:17 ` Zhou Yanjie
2019-11-15 18:49 ` Paul Cercueil
2019-11-16 17:23 ` MIPS: Ingenic: Disable abandoned HPTLB function v2 Zhou Yanjie
2019-11-16 17:23 ` [PATCH 1/2 v2] MIPS: Rename JZRISC to XBurst Zhou Yanjie
2019-11-16 17:23 ` [PATCH 2/2 v2] MIPS: Ingenic: Disable abandoned HPTLB function Zhou Yanjie
2019-11-19 14:28 ` MIPS: Ingenic: Disable abandoned HPTLB function v3 Zhou Yanjie
2019-11-19 14:28 ` [PATCH 1/2 v3] MIPS: Rename JZRISC to XBurst Zhou Yanjie
2019-11-19 14:28 ` [PATCH 2/2 v3] MIPS: Ingenic: Disable abandoned HPTLB function Zhou Yanjie
2019-11-20 11:45 ` Paul Cercueil
2019-11-22 22:06 ` Paul Burton [this message]
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