Re: [PATCH] x86/asm/entry/64: Fix MSR_IA32_SYSENTER_CS MSR value

[Borislav Petkov]

On Fri, Apr 03, 2015 at 01:52:00PM +0200, Denys Vlasenko wrote:
> Why? Segment selectors aren't "long long", they are in fact "short"
> (16-bit ints).
> 
> The "ULL" is used here in wrmsrl not because it's a segment,
> but because wrmsrl expects a u64 parameter.
> 
> We can probably add a cast in its definition...

Yeah, I meant to not use the naked 0. Cast should be fine.

Let me do a patch.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/