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Date: Thu, 21 Mar 2013 17:41:51 -0700 From: ebiederm@...ssion.com (Eric W. Biederman) To: HATAYAMA Daisuke <d.hatayama@...fujitsu.com> Cc: vgoyal@...hat.com, cpw@....com, kumagai-atsushi@....nes.nec.co.jp, lisa.mitchell@...com, heiko.carstens@...ibm.com, akpm@...ux-foundation.org, kexec@...ts.infradead.org, linux-kernel@...r.kernel.org, zhangyanfei@...fujitsu.com Subject: Re: [PATCH v3 17/21] vmcore: check NT_VMCORE_PAD as a mark indicating the end of ELF note buffer HATAYAMA Daisuke <d.hatayama@...fujitsu.com> writes: > From: Vivek Goyal <vgoyal@...hat.com> > Subject: Re: [PATCH v3 17/21] vmcore: check NT_VMCORE_PAD as a mark indicating the end of ELF note buffer > Date: Thu, 21 Mar 2013 10:36:56 -0400 > >> And in our case we don't know the size of ELF note. Kernel is not >> exporting the size. So kexec-tools is putting an upper limit of 1024 >> and putting that value in p_memsz and p_filesz fields. >> >> Given the fact that we are reserving elf notes at boot. That means >> we know the size of ELF notes. It should make sense to export it >> to user space and let kexec-tools put right values. >> > > Anyway, I think of this issue as beyond the scope of what I'm working > here... Agreed. It is independent and can be fixed independently. Eric -- 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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