* Re: kernel compilation failure on power7 system
2012-12-31 3:33 ` kernel compilation failure on power7 system CAI Qian
@ 2012-12-31 6:55 ` CAI Qian
0 siblings, 0 replies; 2+ messages in thread
From: CAI Qian @ 2012-12-31 6:55 UTC (permalink / raw)
To: Mihai Caraman, Benjamin Herrenschmidt; +Cc: stable, linux-kernel
Please ignore this as this turned out some unclean bits rendered
the result unstable. It is now passed the complication testing.
----- Original Message -----
> From: "CAI Qian" <caiqian@redhat.com>
> To: "Mihai Caraman" <mihai.caraman@freescale.com>, "Benjamin Herrenschmidt" <benh@kernel.crashing.org>
> Cc: stable@vger.kernel.org, "linux-kernel" <linux-kernel@vger.kernel.org>
> Sent: Monday, December 31, 2012 11:33:19 AM
> Subject: kernel compilation failure on power7 system
>
> Stable kernel 3.7.1 failure to compile on power7 system here,
>
> arch/powerpc/kvm/built-in.o: In function `hdec_soon':
> /root/linux-stable/arch/powerpc/kvm/book3s_hv_rmhandlers.S:1068:
> undefined reference to `PACA_SPRG3'
> make: *** [vmlinux] Error 1
>
> reverted this commit fixed the problem,
> -----
> 0127262c01f0beb485f917c720d1d95d165dfdbf
> [PATCH] powerpc: Restore VDSO information on critical exception om
> BookE
>
> Critical exception on 64-bit booke uses user-visible SPRG3 as
> scratch.
> Restore VDSO information in SPRG3 on exception prolog.
>
> Use a common sprg3 field in PACA for all powerpc64 architectures.
> -----
>
> Used this config - http://people.redhat.com/qcai/stable/config-ppc
>
> system information here,
> # cat /proc/device-tree/model
> IBM,8231-E2B
>
> CAI Qian
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