>>> On 16.09.16 at 18:38, <konrad.w...@oracle.com> wrote:
> --- a/xen/arch/arm/livepatch.c
> +++ b/xen/arch/arm/livepatch.c
> @@ -117,6 +117,20 @@ bool arch_livepatch_symbol_ok(const struct livepatch_elf
> *elf,
> return true;
> }
>
> +bool arch_livepatch_symbol_deny(const struct livepatch_elf *elf,
> + const struct livepatch_elf_sym *sym)
> +{
> +#ifdef CONFIG_ARM_32
> + /*
> + * Xen does not use Thumb instructions - and we should not see any of
> + * them. If we do, abort.
> + */
> + if ( sym->name && *sym->name == '$' && sym->name[1] == 't' )
I'm not sure here: Are all symbols starting with $t to be rejected, or
only $t but not e.g. $txyz? According to some other code I have
lying around it ought to be "$t" and any symbols starting with "$t.",
and would be in line with patch 6. But I guess the ARM maintainers
will know best.
Jan
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
