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SubjectRe: [PATCH 1/2] x86/mm: Give each mm a unique ID
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On 03/07/2018 09:30 AM, Greg Kroah-Hartman wrote:
> On Fri, Mar 02, 2018 at 01:32:09PM -0800, Tim Chen wrote:
>> From: Andy Lutomirski <luto@kernel.org>
>> commit: f39681ed0f48498b80455095376f11535feea332
>>
>> This adds a new variable to mmu_context_t: ctx_id.
>> ctx_id uniquely identifies the mm_struct and will never be reused.
>>
>> Signed-off-by: Andy Lutomirski <luto@kernel.org>
>> Reviewed-by: Nadav Amit <nadav.amit@gmail.com>
>> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
>> Cc: Andrew Morton <akpm@linux-foundation.org>
>> Cc: Arjan van de Ven <arjan@linux.intel.com>
>> Cc: Borislav Petkov <bp@alien8.de>
>> Cc: Dave Hansen <dave.hansen@intel.com>
>> Cc: Linus Torvalds <torvalds@linux-foundation.org>
>> Cc: Mel Gorman <mgorman@suse.de>
>> Cc: Peter Zijlstra <peterz@infradead.org>
>> Cc: Rik van Riel <riel@redhat.com>
>> Cc: linux-mm@kvack.org
>> Link: http://lkml.kernel.org/r/413a91c24dab3ed0caa5f4e4d017d87b0857f920.1498751203.git.luto@kernel.org
>> Signed-off-by: Ingo Molnar <mingo@kernel.org>
>> Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
>> ---
>> arch/x86/include/asm/mmu.h | 15 +++++++++++++--
>> arch/x86/include/asm/mmu_context.h | 5 +++++
>> arch/x86/mm/tlb.c | 2 ++
>> 3 files changed, 20 insertions(+), 2 deletions(-)
>>
>
> Does not apply to 4.4.y :(
>
> Can you provide a working backport for that tree?
>

Okay. Will do. Thanks.

Tim

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