From: "Miguel Botón" <mboton.lkml@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "Miguel Botón" <mboton.lkml@gmail.com>,
linux-kernel@vger.kernel.org, "Ingo Molnar" <mingo@elte.hu>,
tglx@linutronix.de
Subject: Re: [PATCH] x86: ioport_{32|64}.c unification
Date: Sun, 6 Jan 2008 02:00:50 +0100 [thread overview]
Message-ID: <200801060200.51166.mboton@gmail.com> (raw)
In-Reply-To: <200801060147.48185.arnd@arndb.de>
On Sunday 06 January 2008 01:47:47 Arnd Bergmann wrote:
> This #ifdef overload could probably be avoided if you just move
> the body of this function into an extra place and do
>
> static int do_iopl(unsigned int level, unsigned long *flags)
> {
> unsigned int old = (*flags >> 12) & 3;
> ...
> *flags = (*flags & ~X86_EFLAGS_IOPL) | (level << 12);;
> }
>
> #ifdef CONFIG_X86_32
> asmlinkage long sys_iopl(unsigned long regsp)
> {
> /* why is this volatle anyway? */
> volatile struct pt_regs *regs = (struct pt_regs *)®sp;
> unsigned int level = regs->bx;
> return do_iopl(regs->bx, ®s->flags);
> }
> #else
> asmlinkage long sys_iopl(unsigned int level, struct pt_regs *regs)
> {
> return do_iopl(level, ®s->flags);
> }
> #endif
>
> Arnd <><
I agree. I'll send the a proper patch soon.
--
Miguel Botón
next prev parent reply other threads:[~2008-01-06 1:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-05 23:59 [PATCH] x86: ioport_{32|64}.c unification Miguel Botón
2008-01-06 0:47 ` Arnd Bergmann
2008-01-06 1:00 ` Miguel Botón [this message]
2008-01-06 1:20 ` Miguel Botón
2008-01-06 5:55 ` Valdis.Kletnieks
2008-01-06 15:30 ` Arnd Bergmann
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=200801060200.51166.mboton@gmail.com \
--to=mboton.lkml@gmail.com \
--cc=arnd@arndb.de \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
/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