From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Guenter Roeck <linux@roeck-us.net>
Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] MIPS: mm: Clean up setup of protection map
Date: Mon, 14 Dec 2020 16:32:55 +0100 [thread overview]
Message-ID: <20201214153255.GA9983@alpha.franken.de> (raw)
In-Reply-To: <20201212160716.GA206510@roeck-us.net>
On Sat, Dec 12, 2020 at 08:29:23AM -0800, Guenter Roeck wrote:
> On Fri, Nov 13, 2020 at 12:09:52PM +0100, Thomas Bogendoerfer wrote:
> > Protection map difference between RIXI and non RIXI cpus is _PAGE_NO_EXEC
> > and _PAGE_NO_READ usage. Both already take care of cpu_has_rixi while
> > setting up the page bits. So we just need one setup of protection map
> > and can drop the now unused (and broken for RIXI) PAGE_* defines.
> >
> > Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> > ---
>
> This patch results in:
>
> drivers/video/fbdev/udlfb.c: In function 'dlfb_ops_mmap':
> drivers/video/fbdev/udlfb.c:343:52: error: 'PAGE_SHARED' undeclared (first use in this function)
> 343 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED))
> | ^~~~~~~~~~~
>
> when building mips:allmodconfig.
thank you for the report, I've pushed a fix to mips-next.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
next prev parent reply other threads:[~2020-12-14 17:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-13 11:09 [PATCH 1/4] MIPS: vdso: Use vma page protection for remapping Thomas Bogendoerfer
2020-11-13 11:09 ` [PATCH 2/4] MIPS: kvm: Use vm_get_page_prot to get protection bits Thomas Bogendoerfer
2020-11-14 7:34 ` Huacai Chen
2020-11-16 12:30 ` Thomas Bogendoerfer
2020-11-17 1:18 ` Huacai Chen
2020-11-17 10:40 ` Thomas Bogendoerfer
2020-11-19 12:54 ` Thomas Bogendoerfer
2020-11-13 11:09 ` [PATCH 3/4] MIPS: mm: shorten lines by using macro Thomas Bogendoerfer
2020-11-19 12:54 ` Thomas Bogendoerfer
2020-11-13 11:09 ` [PATCH 4/4] MIPS: mm: Clean up setup of protection map Thomas Bogendoerfer
2020-11-19 12:54 ` Thomas Bogendoerfer
2020-12-12 16:29 ` Guenter Roeck
2020-12-14 15:32 ` Thomas Bogendoerfer [this message]
2020-11-19 12:53 ` [PATCH 1/4] MIPS: vdso: Use vma page protection for remapping Thomas Bogendoerfer
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=20201214153255.GA9983@alpha.franken.de \
--to=tsbogend@alpha.franken.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@vger.kernel.org \
--cc=linux@roeck-us.net \
/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;
as well as URLs for NNTP newsgroup(s).