Messages in this thread | | | Subject | Re: [PATCH] /proc/sys/kernel/bootloader_type | From | Arjan van de Ven <> | Date | Fri, 31 Dec 2004 15:36:47 +0100 |
| |
On Fri, 2004-12-31 at 22:24 +0800, Coywolf Qi Hunt wrote: > 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.
but then it says syslinux or so... means that the lilo-or-grub question still needs the heuristics, it's just that in the normal case, the bootloader type can help make the heuristics reliable.
- 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/
| |