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From: Peter Zijlstra <peterz@infradead.org>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: akpm@linux-foundation.org, npiggin@gmail.com, mpe@ellerman.id.au,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [RFC PATCH 1/2] mm/mmu_gather: Invalidate TLB correctly on batch allocation failure and flush
Date: Wed, 18 Dec 2019 10:01:33 +0100	[thread overview]
Message-ID: <20191218090133.GM2844@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <874kxymclu.fsf@linux.ibm.com>

On Wed, Dec 18, 2019 at 10:52:53AM +0530, Aneesh Kumar K.V wrote:
> Upstream ppc64 is broken after the commit: a46cc7a90fd8
> ("powerpc/mm/radix: Improve TLB/PWC flushes").
> 
> Also the patches are not adding any extra TLBI on either radix or hash.
> 
> Considering we need to backport this to stable and other distributions,
> how about we do this early patches in your series before the Kconfig rename?
> This should enable stable to pick them up with less dependencies. 

OK I suppose. Will you send a new series?


  reply	other threads:[~2019-12-18  9:01 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-17  7:17 Aneesh Kumar K.V
2019-12-17  7:17 ` [RFC PATCH 2/2] mm/mmu_gather: Avoid multiple page walk cache flush Aneesh Kumar K.V
2019-12-17  8:58   ` Peter Zijlstra
2019-12-17 10:15     ` Aneesh Kumar K.V
2019-12-17 12:34       ` Peter Zijlstra
2019-12-17 20:12         ` [PATCH] asm-generic/tlb: Avoid potential double flush Peter Zijlstra
2019-12-17  9:09 ` [RFC PATCH 1/2] mm/mmu_gather: Invalidate TLB correctly on batch allocation failure and flush Peter Zijlstra
2019-12-17 10:48   ` Aneesh Kumar K.V
2019-12-17 12:35     ` Peter Zijlstra
2019-12-18  5:22       ` Aneesh Kumar K.V
2019-12-18  9:01         ` Peter Zijlstra [this message]
  -- strict thread matches above, loose matches on Subject: below --
2019-12-17  7:16 Aneesh Kumar K.V

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