From: Sachin Sant <sachinp@linux.ibm.com>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: Haren Myneni <haren@linux.ibm.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH] powerpc/64s: Fix VAS mm use after free
Date: Wed, 7 Jun 2023 16:12:17 +0530 [thread overview]
Message-ID: <4808683A-2BDD-441D-9A9F-D02A58520B7D@linux.ibm.com> (raw)
In-Reply-To: <20230607101024.14559-1-npiggin@gmail.com>
> On 07-Jun-2023, at 3:40 PM, Nicholas Piggin <npiggin@gmail.com> wrote:
>
> The refcount on mm is dropped before the coprocessor is detached.
>
> Reported-by: Sachin Sant <sachinp@linux.ibm.com>
> Fixes: 7bc6f71bdff5f ("powerpc/vas: Define and use common vas_window struct")
> Fixes: b22f2d88e435c ("powerpc/pseries/vas: Integrate API with open/close windows")
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> ---
> How's this for fixing your vas_deallocate_window warning at
> radix_tlb.c:991 ?
>
> I added a few new warnings in the TLB flush code recently which is
> why these new warns are showing up.
>
Thanks Nick. This fixes the reported warning.
Nx-gzip as well as mce error inject tests completed successfully.
Tested-by: Sachin Sant <sachinp@linux.ibm.com>
- Sachin
next prev parent reply other threads:[~2023-06-07 10:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-07 10:10 [PATCH] powerpc/64s: Fix VAS mm use after free Nicholas Piggin
2023-06-07 10:42 ` Sachin Sant [this message]
2023-07-03 5:26 ` Michael Ellerman
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