On 04/25/2015 12:09 AM, Andy Lutomirski wrote: > On AMD CPUs, SYSRET can return with a valid SS descriptor with with > the hidden attributes set to an unusable state. Make sure the kernel > doesn't let this happen. This detects an as-yet-unfixed regression. > > Note that the 64-bit version of this test fails on AMD CPUs on all > kernel versions, although the issue in the 64-bit case is much less > severe than in the 32-bit case.
Confirmed to detect the "bug" in 64-bit userspace. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
