RE: x86/non-x86: percpu, node ids, apic ids x86.git fixup
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- To: "Ingo Molnar" <mingo@xxxxxxx>
- Subject: RE: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- From: "Luck, Tony" <tony.luck@xxxxxxxxx>
- Date: Thu, 31 Jan 2008 10:34:23 -0800
- Cc: "Mike Travis" <travis@xxxxxxx>, "Geert Uytterhoeven" <Geert.Uytterhoeven@xxxxxxxxxxx>, "Linus Torvalds" <torvalds@xxxxxxxxxxxxxxxxxxxx>, "Thomas Gleixner" <tglx@xxxxxxxxxxxxx>, "Linux Kernel Development" <linux-kernel@xxxxxxxxxxxxxxx>, "Linux/PPC Development" <linuxppc-dev@xxxxxxxxxx>, <linux-ia64@xxxxxxxxxxxxxxx>, <sparclinux@xxxxxxxxxxxxxxx>
- In-reply-to: <20080131090642.GA5688@xxxxxxx>
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- References: <20080130180623.GA24881@xxxxxxx> <1FE6DD409037234FAB833C420AA843EC757DEA@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <47A0CD4B.5040706@xxxxxxx> <1FE6DD409037234FAB833C420AA843EC757F12@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20080130194616.GA19426@xxxxxxx> <1FE6DD409037234FAB833C420AA843EC757F7C@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20080130200221.GA28073@xxxxxxx> <1FE6DD409037234FAB833C420AA843EC757FC2@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20080130205915.GA4562@xxxxxxx> <1FE6DD409037234FAB833C420AA843EC78C219@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20080131090642.GA5688@xxxxxxx>
- Thread-index: Achj6MJxBSJCZx/gQf+KkNIfkM+UVgATq2qQ
- Thread-topic: x86/non-x86: percpu, node ids, apic ids x86.git fixup
> hm, as far as i could check, on ia64 UP the .percpu section link
> difference was the only ia64 difference i could find out of those
> changes. Could you try to copy a 2.6.24 include/asm-generic/percpu.h,
> include/asm-ia64.h and include/linux/percpu.h into your current tree,
> and see whether that boots? If yes, then it's the percpu changes. The
> patch below does this ontop of very latest -git - and it builds fine
> with your UP config with a crosscompiler.
Applied that patch and UP kernel built ok, and then crashed in the
same place with the memset() to a user-looking address from kmem_cache_alloc()
So the percpu changes are innocent ... something else since 2.6.24 is
to blame. Only 5749 commits :-) I'll start bisecting.
-Tony
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- References:
- Re: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- RE: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- Re: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- RE: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- Re: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- RE: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- Re: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- RE: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- Re: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- RE: x86/non-x86: percpu, node ids, apic ids x86.git fixup
- Re: x86/non-x86: percpu, node ids, apic ids x86.git fixup
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