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Subject: Re: [GIT PULL] Please pull powerpc/linux.git powerpc-5.1-2 tag
To:     Michael Ellerman <mpe@ellerman.id.au>,
        Linus Torvalds <torvalds@linux-foundation.org>
Cc:     yanaijie@huawei.com, aik@ozlabs.ru, aneesh.kumar@linux.ibm.com,
        linux-kernel@vger.kernel.org, malat@debian.org, joel@jms.id.au,
        andrew.donnellan@au1.ibm.com, mahesh@linux.vnet.ibm.com,
        linuxppc-dev@lists.ozlabs.org, Guenter Roeck <linux@roeck-us.net>
References: <87y35f6osv.fsf@concordia.ellerman.id.au>
From:   christophe leroy <christophe.leroy@c-s.fr>
Message-ID: <ee209282-4e53-7709-4df0-439d36e15048@c-s.fr>
Date:   Sun, 17 Mar 2019 10:49:48 +0100
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Hi Michael,

Le 16/03/2019 à 12:28, Michael Ellerman a écrit :
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hi Linus,
> 
> Please pull a few small powerpc updates for 5.1:
> 
> The following changes since commit 9580b71b5a7863c24a9bd18bcd2ad759b86b1eff:
> 
>    powerpc/32: Clear on-stack exception marker upon exception return (2019-03-04 00:37:23 +1100)
> 
> are available in the git repository at:
> 
>    https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git tags/powerpc-5.1-2
> 
> for you to fetch changes up to de3c83c2fd2b87cf68214eda76dfa66989d78cb6:
> 
>    powerpc/64s: Include <asm/nmi.h> header file to fix a warning (2019-03-13 15:03:13 +1100)
> 
> - ------------------------------------------------------------------
> powerpc fixes for 5.1 #2
> 
> One fix to prevent runtime allocation of 16GB pages when running in a VM (as
> opposed to bare metal), because it doesn't work.
> 
> A small fix to our recently added KCOV support to exempt some more code from
> being instrumented.
> 
> Plus a few minor build fixes, a small dead code removal and a defconfig update.
> 
> Thanks to:
>    Alexey Kardashevskiy, Aneesh Kumar K.V, Christophe Leroy, Jason Yan, Joel
>    Stanley, Mahesh Salgaonkar, Mathieu Malaterre.

Looks like the fix for 6xx/hash use of SPRN_SPRG_PGDIR is not there.

Patch at https://patchwork.ozlabs.org/patch/1053385/
(Or at https://patchwork.ozlabs.org/patch/1054213/ with better commit text)

Without that patch, 6xx with hash table silently loop forever in 
pagefault handler while trying to start init, as reported from 
linux-next by Guenter Roeck (see 
https://patchwork.ozlabs.org/patch/1046041/)

Thanks
Christophe

> 
> - ------------------------------------------------------------------
> Alexey Kardashevskiy (1):
>        powerpc/powernv: Fix compile without CONFIG_TRACEPOINTS
> 
> Aneesh Kumar K.V (1):
>        powerpc/hugetlb: Don't do runtime allocation of 16G pages in LPAR configuration
> 
> Jason Yan (1):
>        powerpc: remove dead code in head_fsl_booke.S
> 
> Joel Stanley (1):
>        powerpc/configs: Sync skiroot defconfig
> 
> Mahesh Salgaonkar (1):
>        powerpc/mm: Disable kcov for SLB routines
> 
> Mathieu Malaterre (1):
>        powerpc/64s: Include <asm/nmi.h> header file to fix a warning
> 
> 
>   arch/powerpc/configs/skiroot_defconfig       | 12 +++++++++---
>   arch/powerpc/include/asm/book3s/64/hugetlb.h |  8 ++++++++
>   arch/powerpc/kernel/head_fsl_booke.S         |  7 -------
>   arch/powerpc/kernel/traps.c                  |  1 +
>   arch/powerpc/mm/Makefile                     |  3 +++
>   arch/powerpc/platforms/powernv/opal-call.c   |  1 +
>   6 files changed, 22 insertions(+), 10 deletions(-)
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