Re: [PATCH] x86/tsx: fix KVM guest live migration for tsx=on

From: Dave Hansen
Date: Mon Apr 11 2022 - 19:46:51 EST


On 4/11/22 12:35, Jon Kohler wrote:
> Also, while I’ve got you, I’d also like to send out a patch to simply
> force abort all transactions even when tsx=on, and just be done with
> TSX. Now that we’ve had the patch that introduced this functionality
> I’m patching for roughly a year, combined with the microcode going
> out, it seems like TSX’s numbered days have come to an end.

Could you elaborate a little more here? Why would we ever want to force
abort transactions that don't need to be aborted for some reason?