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From: Ingo Molnar <mingo@kernel.org>
To: Dave Hansen <dave@sr71.net>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org, tglx@linutronix.de,
	dave.hansen@linux.intel.com
Subject: Re: [PATCH 18/19] x86, mpx: do not count MPX VMAs as neighbors when unmapping
Date: Tue, 9 Jun 2015 12:23:02 +0200	[thread overview]
Message-ID: <20150609102302.GA32447@gmail.com> (raw)
In-Reply-To: <20150607183706.A6BD90BF@viggo.jf.intel.com>


* Dave Hansen <dave@sr71.net> wrote:

> diff -puN arch/x86/mm/mpx.c~mpx-dont-count-mpx-vmas-as-neighbors arch/x86/mm/mpx.c
> --- a/arch/x86/mm/mpx.c~mpx-dont-count-mpx-vmas-as-neighbors	2015-06-01 10:24:10.037992968 -0700
> +++ b/arch/x86/mm/mpx.c	2015-06-01 10:24:10.040993104 -0700
> @@ -937,16 +937,30 @@ static int try_unmap_single_bt(struct mm
>  	void __user *bde_vaddr;
>  	int ret;
>  	/*
> +	 * We already unliked the VMAs from the mm's rbtree so 'start'
> +	 * is guaranteed to be in a hole. This gets us the first VMA
> +	 * before the hole in to 'prev' and the next VMA after the hole
> +	 * in to 'next'.

Hey, I didn't know VMAs were on Facebook ;-)

I fixed it up to 'unlinked'.

Thanks,

	Ingo

  reply	other threads:[~2015-06-09 10:23 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-07 18:37 [PATCH 00/19] x86, mpx updates for 4.2 (take 9) Dave Hansen
2015-06-07 18:37 ` [PATCH 01/19] x86, mpx, xsave: Fix up bad get_xsave_addr() assumptions Dave Hansen
2015-06-09 12:30   ` [tip:x86/fpu] x86/fpu/xstate: " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 02/19] x86, fpu: Wrap get_xsave_addr() to make it safer Dave Hansen
2015-06-09 12:31   ` [tip:x86/fpu] x86/fpu/xstate: " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 03/19] x86, mpx: Use new get_xsave_field_ptr() Dave Hansen
2015-06-09 12:31   ` [tip:x86/fpu] x86/mpx: Use the new get_xsave_field_ptr()API tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 06/19] x86, mpx: Restrict mmap size check to bounds tables Dave Hansen
2015-06-09 12:32   ` [tip:x86/fpu] x86/mpx: Restrict the mmap() " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 05/19] x86, mpx: remove redundant MPX_BNDCFG_ADDR_MASK Dave Hansen
2015-06-09 12:32   ` [tip:x86/fpu] x86/mpx: Remove " tip-bot for Qiaowei Ren
2015-06-07 18:37 ` [PATCH 04/19] x86, mpx: Cleanup: Do not pass task around when unnecessary Dave Hansen
2015-06-09 12:31   ` [tip:x86/fpu] x86/mpx: Clean up the code by not passing a task pointer " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 07/19] x86, mpx: boot-time disable Dave Hansen
2015-06-09 12:32   ` [tip:x86/fpu] x86/mpx: Introduce a boot-time disable flag tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 09/19] x86, mpx: trace entry to bounds exception paths Dave Hansen
2015-06-09 12:33   ` [tip:x86/fpu] x86/mpx: Trace " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 10/19] x86, mpx: Trace the attempts to find bounds tables Dave Hansen
2015-06-09 12:33   ` [tip:x86/fpu] x86/mpx: " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 08/19] x86, mpx: trace #BR exceptions Dave Hansen
2015-06-09 12:33   ` [tip:x86/fpu] x86/mpx: Trace " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 13/19] x86, mpx: Add temporary variable to reduce masking Dave Hansen
2015-06-09 12:34   ` [tip:x86/fpu] x86/mpx: " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 12/19] x86: make is_64bit_mm() widely available Dave Hansen
2015-06-09 12:34   ` [tip:x86/fpu] x86: Make " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 11/19] x86, mpx: trace allocation of new bounds tables Dave Hansen
2015-06-09 12:33   ` [tip:x86/fpu] x86/mpx: Trace " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 14/19] x86, mpx: new directory entry to addr helper Dave Hansen
2015-06-09 12:34   ` [tip:x86/fpu] x86/mpx: Introduce new 'directory entry' to 'addr' helper function tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 15/19] x86, mpx: do 32-bit-only cmpxchg for 32-bit apps Dave Hansen
2015-06-09 12:35   ` [tip:x86/fpu] x86/mpx: Use 32-bit-only cmpxchg() " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 16/19] x86, mpx: support 32-bit binaries on 64-bit kernel Dave Hansen
2015-06-09 12:35   ` [tip:x86/fpu] x86/mpx: Support 32-bit binaries on 64-bit kernels tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 17/19] x86, mpx: rewrite unmap code Dave Hansen
2015-06-09 12:35   ` [tip:x86/fpu] x86/mpx: Rewrite the " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 18/19] x86, mpx: do not count MPX VMAs as neighbors when unmapping Dave Hansen
2015-06-09 10:23   ` Ingo Molnar [this message]
2015-06-09 12:35   ` [tip:x86/fpu] x86/mpx: Do " tip-bot for Dave Hansen
2015-06-07 18:37 ` [PATCH 19/19] x86, mpx: allow mixed binaries again Dave Hansen
2015-06-09 12:36   ` [tip:x86/fpu] x86/mpx: Allow 32-bit binaries on 64-bit kernels again tip-bot for Dave Hansen
  -- strict thread matches above, loose matches on Subject: below --
2015-05-27 18:36 [PATCH 00/19] x86, mpx updates for 4.2 (take 8) Dave Hansen
2015-05-27 18:36 ` [PATCH 18/19] x86, mpx: do not count MPX VMAs as neighbors when unmapping Dave Hansen
2015-05-19  6:25 [PATCH 00/19] x86, mpx updates for 4.2 (take 7) Dave Hansen
2015-05-19  6:25 ` [PATCH 18/19] x86, mpx: do not count MPX VMAs as neighbors when unmapping Dave Hansen
2015-05-08 18:59 [PATCH 00/19] x86, mpx updates for 4.2 (take 6) Dave Hansen
2015-05-08 18:59 ` [PATCH 18/19] x86, mpx: do not count MPX VMAs as neighbors when unmapping Dave Hansen
2015-05-18 21:54   ` Thomas Gleixner

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