linux-kernel - Re: linux-next: Tree for Feb 17 (mips build failures)

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Date:	Tue, 17 Feb 2015 09:20:36 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Markos Chandras <markos.chandras@...tec.com>
Subject: Re: linux-next: Tree for Feb 17 (mips build failures)

On Tue, Feb 17, 2015 at 04:02:21PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> Please do not add any material destined for v3.21 to your linux-next
> included trees until after v3.20-rc1 has been released.
> 
> Changes since 20150216:
> 
> The slave-dma tree lost its build failure.
> 
> Non-merge commits (relative to Linus' tree): 2980
>  2871 files changed, 124415 insertions(+), 70264 deletions(-)
> 
> ----------------------------------------------------------------------------
> 
[ maybe I got it right this time ]

Build results:
	total: 121 pass: 109 fail: 12
Failed builds:
	mips:defconfig
	mips:allmodconfig
	mips:bcm47xx_defconfig
	mips:bcm63xx_defconfig
	mips:nlm_xlp_defconfig
	mips:ath79_defconfig
	mips:ar7_defconfig
	mips:fuloong2e_defconfig
	mips:e55_defconfig
	mips:cavium_octeon_defconfig
	mips:malta_defconfig
	sparc64:allmodconfig

mips builds are all failing with

Building mips:defconfig ... failed
--------------
Error log:
arch/mips/kernel/genex.S: Assembler messages:
arch/mips/kernel/genex.S:128: Error: Bad value (mips64r6) for internal use
arch/mips/kernel/genex.S:128: Error: unknown ISA level 64r6

This was introduced by commit 0bf705e94771800 ("MIPS: kernel: genex: Set
correct ISA level") which apparently assumes that only mips64r6 is a valid
ISA level, though it is obviously not supported on older compilers. This
is on top of the other mips r6 related build errors seen yesterday.

I really hope that this is not 3.20 material, given the lack of testing
with architectures other than mips r6 or with older compilers.

Guenter
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