> -----Original Message----- > From: Jay Lan [mailto:jlan@xxxxxxx] > Sent: 2006年11月4日 1:42 > To: Zou, Nanhai > Cc: fastboot; Linux-IA64; Jack Steiner; Luck, Tony > Subject: Re: [PATCH]send slave cpus to SAL slave loop on crash (IA64) > > Zou, Nanhai wrote: > > --noio patch should be the same to my original sugguestion..., it bypass > all PIO and MMIO in purgatory with --noio option. I need to have a check though. > > Hi Nanhai, > > I finally got a chance to look at this further. > > Your patch touched four files: > kexec/arch/ia64/kexec-elf-ia64.c > purgatory/arch/ia64/entry.S > purgatory/arch/ia64/include/arch/io.h > purgatory/arch/ia64/io.h > > I replaced both of the io.h with my version and it still > failed. So, it should be the way --noio option being handled > that made the difference. > > I did have debug messages showing that "noio" option was > processed in elf_rel_set_symbol() in my testing. Does > kernel code need to know about this option? Somehow > this change makes kernel fail in init(). > No, kernel does not need to know this. Kexec-tools pass this option to purgatory code by relocating at kexec load time. Zou Nan hai - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
|