| To: | linux-mips@linux-mips.org |
|---|---|
| Subject: | MTD Partitions Permissions at Run Time. |
| From: | "Ramgopal Kota" <rkota@broadcom.com> |
| Date: | Tue, 25 Mar 2008 22:20:43 -0700 |
| In-reply-to: | <47E7EBFF.6020406@ru.mvista.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <47E559B6.9010001@ru.mvista.com> <47E7EBFF.6020406@ru.mvista.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| Thread-index: | AciN2LlE4bF7ypqjS4Cg9fHtifqyCABJ9L3g |
| Thread-topic: | MTD Partitions Permissions at Run Time. |
Hi , Ours is a embedded product with pre-defined flash partitions say "Boot" , "Kernel" , "Rootfs" & "ProductData". The kernel which is in the box (linux 2.6.14)has Boot partition as "RO" (Read Only). We have a requirement in the field that the boot code should be upgraded also. Is there any possibility of changing the partition permissions at run-time? If so how ? Our solution was to create a Kernel image Boot as RW, upgrade the kernel & reboot. Later change the Boot code. But we are seeing if we can avoid such situation by remounting the MTD partition with a RW permission. Ramgopal Kota |
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