* Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > We have two options: > > 1) Disable TSC deadline timer by default and force users with sane machines > to enable it on the kernel command line. > > Upside: Very small patch > > Downside: Degrades existing setups on sane machines, keeps TSC unusable > on affected machines. We have no idea what other hidden side > effects the TSC_ADJUST tinkering has. If there are any, they > ain't be nice ones. > > 2) Push the whole TSC_ADJUST sanitizing machinery into stable > > Upside: Does not affect sane machines and gives a benefit to users of > affected machines > > Downside: Rather large patch, but not that risky either. Needs a few > eyes and good test coverage though > > Thoughts? I'd go for #2, because #1 is essentially turning it off for almost everyone. We can still do #1 and push it back to -stable as well if #2 fails. But I'd suggest we delay the stable backporting until it's been upstream a bit. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html