linux-kernel - Re: [linux-next, bisected, 1945bc45] build brakes for PowerPC BE configuration on LPAR

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Message-Id: <3wR7ps3BjQz9s86@ozlabs.org>
Date:   Mon, 15 May 2017 15:06:45 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Nicholas Piggin <npiggin@...il.com>,
        Abdul Haleem <abdhalee@...ux.vnet.ibm.com>
Cc:     sachinp <sachinp@...ux.vnet.ibm.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        ego <ego@...ux.vnet.ibm.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        mahesh@...ux.vnet.ibm.com,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [linux-next, bisected, 1945bc45] build brakes for PowerPC BE configuration on LPAR

On Thu, 2017-05-04 at 10:41:12 UTC, Nicholas Piggin wrote:
> On Thu, 04 May 2017 14:54:19 +0530
> Abdul Haleem <abdhalee@...ux.vnet.ibm.com> wrote:
> 
> > Hi,
> > 
> > linux-next build fails on BE config with next-20170424 onwards
> > 
> > the patch https://lkml.org/lkml/2017/4/20/994  fixes a similar issue
> > with kvm guest build failure.
> > 
> > arch/powerpc/kernel/exceptions-64s.S: Assembler messages:
> > arch/powerpc/kernel/exceptions-64s.S:395: Error: operand out of range
> > (0xffffffffffff8280 is not between 0x0000000000000000 and
> > 0x000000000000ffff)
> > make[1]: *** [arch/powerpc/kernel/head_64.o] Error 1
> > 
> > Bisection resulted with the below bad commit.
> > 
> > commit 1945bc4549e5cb1f9aa873ec29191aa54dc851d
> > Author: Nicholas Piggin <npiggin@...il.com>
> > Date:   Wed Apr 19 23:05:47 2017 +1000
> > 
> >     powerpc/64s: Fix POWER9 machine check handler from stop state
> > 
> >     Reviewed-by: Gautham R. Shenoy <ego@...ux.vnet.ibm.com>
> >     Reviewed-by: Mahesh J Salgaonkar <mahesh@...ux.vnet.ibm.com>
> >     Signed-off-by: Nicholas Piggin <npiggin@...il.com>
> >     Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
> > 
> >  arch/powerpc/include/asm/reg.h       |  1 +
> >  arch/powerpc/kernel/exceptions-64s.S | 79 ++++++++++++++++++++++++++++++++++++++++++++-----------------------------------
> >  arch/powerpc/kernel/idle_book3s.S    | 25 +++++++++++++++++++++++++
> >  3 files changed, 70 insertions(+), 35 deletions(-)
> > 
> > the BE configuration file is attached.
> > 

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/6102c005a71b4a7a6433d43b887662

cheers