Re: [PATCH] parisc: Purge TLB entries after updating page table entry and set page accessed flag in TLB handler

[Mikulas Patocka <mpatocka@xxxxxxxxxx>]

On Thu, 20 Sep 2018, John David Anglin wrote:

> This patch may resolve some races in TLB handling.  Hopefully, TLB inserts are
> accesses and
> protected by spin lock.
> 
> If not, we may need to IPI calls and do local purges on PA 2.0.
> 
> Dave

I tested this patch and it reduces kernel compile time from one hour to 30 
minutes.

Mikulas