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Date: Tue, 6 Nov 2007 03:52:53 +0100 From: Adrian Bunk <bunk@...nel.org> To: Sam Ravnborg <sam@...nborg.org> Cc: Brian Gerst <bgerst@...ntduck.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 03/10] x86: arch/x86/Kconfig.cpu unification On Tue, Nov 06, 2007 at 03:46:30AM +0100, Sam Ravnborg wrote: > On Mon, Nov 05, 2007 at 07:53:39PM -0500, Brian Gerst wrote: > > Sam Ravnborg wrote: > > > Move all CPU definitions to Kconfig.cpu > > > > This patch causes build failure on x86_64: > > > > lib/rwsem.c: In function ‘__init_rwsem’: > > lib/rwsem.c:24: error: ‘struct rw_semaphore’ has no member named ‘count’ > > lib/rwsem.c:24: error: ‘RWSEM_UNLOCKED_VALUE’ undeclared (first use in > > this function) > > lib/rwsem.c:24: error: (Each undeclared identifier is reported only once > > lib/rwsem.c:24: error: for each function it appears in.) > > lib/rwsem.c: In function ‘__rwsem_do_wake’: > > lib/rwsem.c:64: error: implicit declaration of function > > ‘rwsem_atomic_update’ > > lib/rwsem.c:64: error: ‘RWSEM_ACTIVE_BIAS’ undeclared (first use in this > > function) > > lib/rwsem.c:66: error: ‘RWSEM_ACTIVE_MASK’ undeclared (first use in this > > function) > > lib/rwsem.c:115: error: ‘RWSEM_WAITING_BIAS’ undeclared (first use in > > this function) > > lib/rwsem.c:120: error: implicit declaration of function ‘rwsem_atomic_add’ > > lib/rwsem.c: In function ‘rwsem_down_failed_common’: > > lib/rwsem.c:169: error: ‘RWSEM_ACTIVE_MASK’ undeclared (first use in > > this function) > > lib/rwsem.c: In function ‘rwsem_down_read_failed’: > > lib/rwsem.c:197: error: ‘RWSEM_WAITING_BIAS’ undeclared (first use in > > this function) > > lib/rwsem.c:197: error: ‘RWSEM_ACTIVE_BIAS’ undeclared (first use in > > this function) > > lib/rwsem.c: In function ‘rwsem_down_write_failed’: > > lib/rwsem.c:210: error: ‘RWSEM_ACTIVE_BIAS’ undeclared (first use in > > this function) > > > > git bisect gives: > > 55432d383871d127685d78f94e0ad60307dcc0e9 is first bad commit > > commit 55432d383871d127685d78f94e0ad60307dcc0e9 > > Author: Sam Ravnborg <sam@...nborg.org> > > Date: Thu Nov 1 21:54:39 2007 +0100 > > > > x86: arch/x86/Kconfig.cpu unification > > Seems that a default value fail to change value when we shift > from 32 to 64 bit. I have it reproduced here. > Will look at it tonight. The problem is that you source arch/x86/Kconfig.cpu from arch/x86/Kconfig.x86_64 but didn't give RWSEM_XCHGADD_ALGORITHM the required dependency on X86_32. > Sam cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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