From: Jiaxun Yang <jiaxun.yang@flygoat.com>
To: Tiezhu Yang <yangtiezhu@loongson.cn>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Huacai Chen <chenhc@lemote.com>
Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
Xuefeng Li <lixuefeng@loongson.cn>
Subject: Re: [PATCH 1/6] MIPS: Loongson64: Do not write the read only field LPA of CP0_CONFIG3
Date: Fri, 30 Oct 2020 12:00:41 +0800 [thread overview]
Message-ID: <a384c467-048d-1296-4a0d-ecbf4cea844d@flygoat.com> (raw)
In-Reply-To: <1603958581-4723-2-git-send-email-yangtiezhu@loongson.cn>
在 2020/10/29 16:02, Tiezhu Yang 写道:
> The field LPA of CP0_CONFIG3 register is read only for Loongson64, so the
> write operations are meaningless, remove them.
>
> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
> ---
> arch/mips/include/asm/mach-loongson64/kernel-entry-init.h | 8 --------
> arch/mips/loongson64/numa.c | 3 ---
> 2 files changed, 11 deletions(-)
Hi Tiezhu,
AFAIK it's not read only on 3A1000.
Have you check with hardware guys?
Thanks.
- Jiaxun
next prev parent reply other threads:[~2020-10-30 4:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 8:02 [PATCH 0/6] Modify some registers operations and move decode_cpucfg() to loongson_regs.h Tiezhu Yang
2020-10-29 8:02 ` [PATCH 1/6] MIPS: Loongson64: Do not write the read only field LPA of CP0_CONFIG3 Tiezhu Yang
2020-10-30 4:00 ` Jiaxun Yang [this message]
2020-10-30 6:22 ` Tiezhu Yang
2020-10-30 12:13 ` Jiaxun Yang
2020-11-02 10:47 ` Jiaxun Yang
2020-10-29 8:02 ` [PATCH 2/6] MIPS: Loongson64: Set the field ELPA of CP0_PAGEGRAIN only once Tiezhu Yang
2020-10-29 8:02 ` [PATCH 3/6] MIPS: Loongson64: Set IPI_Enable register per core by itself Tiezhu Yang
2020-10-29 8:02 ` [PATCH 4/6] MIPS: Loongson64: Add Mail_Send support for 3A4000+ CPU Tiezhu Yang
2020-10-30 4:06 ` Jiaxun Yang
2020-10-30 6:37 ` Tiezhu Yang
2020-10-29 8:03 ` [PATCH 5/6] MIPS: Loongson64: Make sure the PC address is correct when 3A4000+ CPU hotplug Tiezhu Yang
2020-10-29 8:03 ` [PATCH 6/6] MIPS: Loongson64: Move decode_cpucfg() to loongson_regs.h Tiezhu Yang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a384c467-048d-1296-4a0d-ecbf4cea844d@flygoat.com \
--to=jiaxun.yang@flygoat.com \
--cc=chenhc@lemote.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@vger.kernel.org \
--cc=lixuefeng@loongson.cn \
--cc=tsbogend@alpha.franken.de \
--cc=yangtiezhu@loongson.cn \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®