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Re: [PATCH 4/6] x86/coredump: use core regs, rather that TIF_IA32 flag

From Dmitry Safonov <dsafonov@virtuozzo.com>
Newsgroups linux.kernel
Subject Re: [PATCH 4/6] x86/coredump: use core regs, rather that TIF_IA32 flag
Date 2016-06-03 12:00 +0200
Message-ID <rFU3x-1wB-37@gated-at.bofh.it> (permalink)
References <rFedX-qG-13@gated-at.bofh.it> <rFedX-qG-21@gated-at.bofh.it> <rFU3w-1wB-25@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 06/03/2016 12:51 PM, Cyrill Gorcunov wrote:
> On Wed, Jun 01, 2016 at 04:11:35PM +0300, Dmitry Safonov wrote:
>> As we have here core registers, use them to determine application's
>> mode and sizes of register set and elf_prstatus instead of TIF_IA32
>> flag.
>>
>> Cc: Andy Lutomirski <luto@kernel.org>
>> Cc: Ingo Molnar <mingo@redhat.com>
>> Cc: Thomas Gleixner <tglx@linutronix.de>
>> Cc: "H. Peter Anvin" <hpa@zytor.com>
>> Cc: Oleg Nesterov <oleg@redhat.com>
>> Cc: Alexander Viro <viro@zeniv.linux.org.uk>
>> Cc: linux-fsdevel@vger.kernel.org
>> Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
>
> This can be used unrelated to vdso re-mapping idea, right?
>

Right -- 4,5,6 are pathes for dropping TIF_IA32 flag.
I put them in this patches set because of their goal,
to make tasks independent of presence of TIF_IA32.

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Thread

[PATCH 4/6] x86/coredump: use core regs, rather that TIF_IA32 flag Dmitry Safonov <dsafonov@virtuozzo.com> - 2016-06-01 15:20 +0200
  Re: [PATCH 4/6] x86/coredump: use core regs, rather that TIF_IA32  flag Cyrill Gorcunov <gorcunov@gmail.com> - 2016-06-03 12:00 +0200
    Re: [PATCH 4/6] x86/coredump: use core regs, rather that TIF_IA32  flag Dmitry Safonov <dsafonov@virtuozzo.com> - 2016-06-03 12:00 +0200
      Re: [PATCH 4/6] x86/coredump: use core regs, rather that TIF_IA32  flag Cyrill Gorcunov <gorcunov@gmail.com> - 2016-06-03 12:10 +0200
  Re: [PATCH 4/6] x86/coredump: use core regs, rather that TIF_IA32  flag Oleg Nesterov <oleg@redhat.com> - 2016-06-06 23:50 +0200
    Re: [PATCH 4/6] x86/coredump: use core regs, rather that TIF_IA32  flag Oleg Nesterov <oleg@redhat.com> - 2016-06-07 01:50 +0200

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