From: David Howells <dhowells@xxxxxxxxxx> Date: Fri, 11 May 2012 11:43:12 +0100 > Use the 32-bit compat keyctl() syscall wrapper on Sparc64 for Sparc32 binary > compatibility. > > Without this, keyctl(KEYCTL_INSTANTIATE_IOV) is liable to malfunction as it > uses an iovec array read from userspace - though the kernel should survive this > as it checks pointers and sizes anyway. > > I think all the other keyctl() function should just work, provided (a) the top > 32-bits of each 64-bit argument register are cleared prior to invoking the > syscall routine, and the 32-bit address space is right at the 0-end of the > 64-bit address space. Most of the arguments are 32-bit anyway, and so for > those clearing is not required. > > Signed-off-by: David Howells <dhowells@xxxxxxxxxx I'm happy with someone else merging this in, thanks for doing this work: Acked-by: David S. Miller <davem@xxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
