On Tue, 2012-10-16 at 16:52 +0200, Borislav Petkov wrote:
> From: Borislav Petkov <[email protected]>
>
> Normally, writing to MCE MSRs causes a #GP. Add a function to enable
> direct accesses to those MSRs.
[]
> diff --git a/arch/x86/ras/amd/mce-inject.c b/arch/x86/ras/amd/mce-inject.c
> @@ -55,6 +55,30 @@ DEFINE_SIMPLE_ATTRIBUTE(misc_fops, inj_misc_get,
> inj_misc_set, "%llx\n");
[]
> +static int toggle_hw_mce_inject(unsigned int cpu, bool enable)
[]
> + enable ? (l |= BIT(18)) : (l &= ~BIT(18));
This is very unusual style.
I found just one like it in the kernel tree.
(unnecessary parens here too btw)
This style is much more common:
if (enable)
l |= BIT(18);
else
l &= ~BIT(18);
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
