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Re: [PATCHv2] x86: Use v8086_mode helper, trivial unification
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From:
H. Peter Anvin <hpa@...>
To: Harvey Harrison <harvey.harrison@...>
Cc: Ingo Molnar <mingo@...>, Thomas Gleixner <tglx@...>, LKML <linux-kernel@...>
Subject:
Re: [PATCHv2] x86: Use v8086_mode helper, trivial unification
Date: Friday, January 18, 2008 - 3:02 pm
Harvey Harrison wrote:
quoted text
> On Fri, 2008-01-18 at 16:00 +0100, Ingo Molnar wrote: >>>> + /* >>>> + * Did it hit the DOS screen memory VA from vm86 mode? >>>> + */ >>>> + if (v8086_mode(regs)) { >>>> + unsigned long bit = (address - 0xA0000) >> PAGE_SHIFT; >>>> + if (bit < 32) >>>> + tsk->thread.screen_bitmap |= 1 << bit; >>>> + } >> this does not build on 64-bit, because screen_bitmap is 32-bit only - so >> i had to pull the patch. I suspect a small #ifdef section would look >> better here? >> > > My original patch had the ifdef, you can grab that one. >
Me bad, I should have been less definite in my reply. -hpa --
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Messages in current thread:
[PATCHv2] x86: Use v8086_mode helper, trivial unification
, Harvey Harrison
, (Thu Jan 17, 8:25 pm)
Re: [PATCHv2] x86: Use v8086_mode helper, trivial unification
, Ingo Molnar
, (Fri Jan 18, 5:12 am)
Re: [PATCHv2] x86: Use v8086_mode helper, trivial unification
, Ingo Molnar
, (Fri Jan 18, 11:00 am)
Re: [PATCHv2] x86: Use v8086_mode helper, trivial unification
, Harvey Harrison
, (Fri Jan 18, 3:04 pm)
Re: [PATCHv2] x86: Use v8086_mode helper, trivial unification
, H. Peter Anvin
, (Fri Jan 18, 3:02 pm)
Re: [PATCHv2] x86: Use v8086_mode helper, trivial unification
, Harvey Harrison
, (Fri Jan 18, 5:22 am)
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