Messages in this thread | | | Subject | Re: [RFC][PATCH] tracing/x86: Save CR2 before tracing irqsoff on error_entry | From | Juergen Gross <> | Date | Fri, 22 Mar 2019 06:54:27 +0100 |
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On 21/03/2019 19:18, Linus Torvalds wrote: > On Thu, Mar 21, 2019 at 11:05 AM Andy Lutomirski <luto@amacapital.net> wrote: >> >> In the long run, I think the right solution is to rewrite even more of >> this mess in C. We really ought to be able to put the IRQ flag >> tracing and the context tracking into C code. > > Tangentially about this long run thing - can we start discussing just > dropping PV mode entirely in the long run? Or even not-so-long run?
As Andrew already said: the work is ongoing, but hard.
What I'm planning to do, however, is dropping 32-bit PV code from the kernel not too far in the future. This is only a small step, but it is a move in the right direction.
Juergen
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