Messages in this thread | | | Date | Fri, 31 Dec 2004 22:24:06 +0800 | From | Coywolf Qi Hunt <> | Subject | Re: [PATCH] /proc/sys/kernel/bootloader_type |
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On Fri, 31 Dec 2004 11:12:34 +0100, Arjan van de Ven <arjan@infradead.org> wrote: > On Fri, 2004-12-31 at 01:34 -0800, Andrew Morton wrote: > > "H. Peter Anvin" <hpa@zytor.com> wrote: > > > > > > This patch exports to userspace the boot loader ID which has been > > > exported by (b)zImage boot loaders since boot protocol version 2. > > > > Why does userspace need to know this? > > so that update tools that update kernels from vendors know which > bootloader file they need to update; eg right now those tools do all > kinds of hairy heuristics to find out if it's grub or lilo or .. that > installed the kernel. Those heuristics are fragile in the presence of > more than one bootloader (which isn't that uncommon in OS upgrade > situations). >
This boot loader ID doesn't help much for system upgrade. The running kernel may boot from removable drive.
-- Coywolf Qi Hunt Homepage http://sosdg.org/~coywolf/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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