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Message-ID: <20091221204802.GA70740@trillian.local> Date: Mon, 21 Dec 2009 21:48:03 +0100 From: Michael Guntsche <mike@...loops.com> To: Michael Tokarev <mjt@....msk.ru> Cc: Michal Marek <mmarek@...e.cz>, Sam Ravnborg <sam@...nborg.org>, Oliver Hartkopp <oliver@...tkopp.net>, linux-kernel <linux-kernel@...r.kernel.org>, Andreas Schwab <schwab@...ux-m68k.org> Subject: Re: [PATCH] kbuild: correct size calculation of bzImgae / fix x86 boot On 2009.12.21 22:53:54 , Michael Tokarev wrote: > Michael Guntsche wrote: > > Just a quick update from my side. I tried the patch from Andreas and build a kernel > > with dash as defaulti shell. I was able to boot the resulting kernel image > > without any problems. > > That's not a good test case. Because even with bogus data the kernel might > boot: for example, allocating alot more memory for the unpacking than necessary - > it does not crash but the data is still bogus. > > The better (and much faster) check is to verify that the z_output_len value > in arch/x86/boot/compressed/piggy.S matches the size of > arch/x86/boot/compressed/vmlinuz.bin. Looks ok for me. piggy.S: z_output_len = 3550876 ls -la vmlinux.bin: -rwxr-xr-x 1 root root 3550876 Dec 21 17:21 vmlinux.bin Kind regards, Michael -- 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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