Re: 2.6.16-rc1-mm4

From: Chuck Ebbert
Date: Tue Jan 31 2006 - 21:45:53 EST


In-Reply-To: <20060129144533.128af741.akpm@xxxxxxxx>

$ perl scripts/reference_init.pl | grep smp_locks
Error: ./arch/i386/kernel/alternative.o .smp_locks refers to 00000008 R_386_32 .init.text
Error: ./arch/i386/kernel/apic.o .smp_locks refers to 00000000 R_386_32 .init.text
Error: ./arch/i386/kernel/apic.o .smp_locks refers to 00000010 R_386_32 .init.text
Error: ./arch/i386/kernel/apic.o .smp_locks refers to 00000014 R_386_32 .init.text
Error: ./arch/i386/kernel/cpu/amd.o .smp_locks refers to 00000000 R_386_32 .init.text
Error: ./arch/i386/kernel/cpu/amd.o .smp_locks refers to 00000004 R_386_32 .init.text
Error: ./arch/i386/kernel/cpu/amd.o .smp_locks refers to 00000008 R_386_32 .init.text
Error: ./arch/i386/kernel/cpu/amd.o .smp_locks refers to 0000000c R_386_32 .init.text
Error: ./arch/i386/kernel/cpu/amd.o .smp_locks refers to 00000010 R_386_32 .init.text
Error: ./arch/i386/kernel/cpu/amd.o .smp_locks refers to 00000014 R_386_32 .init.text
Error: ./arch/i386/kernel/cpu/amd.o .smp_locks refers to 00000018 R_386_32 .init.text
Error: ./arch/i386/kernel/cpu/centaur.o .smp_locks refers to 00000000 R_386_32 .init.text
Error: ./arch/i386/kernel/cpu/centaur.o .smp_locks refers to 00000004 R_386_32 .init.text
...

Caused by x86_smp_alternatives.patch

Does this mean that the SMP lock-switching could write all over discarded
__init code?

--
Chuck

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