linux-kernel - Re: x86: cleanup - rename VM_MASK to X86_VM

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Message-ID: <aa79d98a0804222118me7de773kae498479531a9585@mail.gmail.com>
Date:	Wed, 23 Apr 2008 08:18:30 +0400
From:	"Cyrill Gorcunov" <gorcunov@...il.com>
To:	"David Woodhouse" <dwmw2@...radead.org>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Ingo Molnar" <mingo@...e.hu>
Subject: Re: x86: cleanup - rename VM_MASK to X86_VM_MASK

On Wed, Apr 23, 2008 at 6:17 AM, David Woodhouse <dwmw2@...radead.org> wrote:
> On Fri, 2008-04-18 at 18:56 +0000, Linux Kernel Mailing List wrote:
>  > Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6b6891f9c545ccd45d6d8ddfd33ce27c22c271a7
>  > Commit:     6b6891f9c545ccd45d6d8ddfd33ce27c22c271a7
>  > Parent:     6093015db2bd9e70cf20cdd23be1a50733baafdd
>  > Author:     gorcunov@...il.com <gorcunov@...il.com>
>  > AuthorDate: Fri Mar 28 17:56:57 2008 +0300
>  > Committer:  Ingo Molnar <mingo@...e.hu>
>  > CommitDate: Thu Apr 17 17:41:33 2008 +0200
>  >
>  >     x86: cleanup - rename VM_MASK to X86_VM_MASK
>  >
>  >     This patch renames VM_MASK to X86_VM_MASK (which
>  >     in turn defined as alias to X86_EFLAGS_VM) to better
>  >     distinguish from virtual memory flags. We can't just
>  >     use X86_EFLAGS_VM instead because it is also used
>  >     for conditional compilation
>  >
>  >     Signed-off-by: Cyrill Gorcunov <gorcunov@...il.com>
>  >     Signed-off-by: Ingo Molnar <mingo@...e.hu>
>
>
>  > --- a/include/asm-x86/vm86.h
>  > +++ b/include/asm-x86/vm86.h
>  > @@ -17,9 +17,9 @@
>  >  #define IOPL_MASK    0x00003000
>  >  #define NT_MASK              0x00004000
>  >  #ifdef CONFIG_VM86
>  > -#define VM_MASK              0x00020000
>  > +#define X86_VM_MASK  X86_EFLAGS_VM
>  >  #else
>  > -#define VM_MASK              0 /* ignored */
>  > +#define X86_VM_MASK  0 /* No VM86 support */
>  >  #endif
>  >  #define AC_MASK              0x00040000
>  >  #define VIF_MASK     0x00080000      /* virtual interrupt flag */
>
>  This is user-visible. Yet we're changing the name and also making it
>  depend on #ifdef CONFIG_VM86, which is not going to be set in userspace.
>  Perhaps it should be within #ifdef __KERNEL__?
>
>  --
>  dwmw2
>
>

Thanks David, will check it today evening (i'm in office now)
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