Re: [Qemu-devel] [PATCH] accel/tcg: Avoid caching overwritten tlb entries

2018-07-02 Thread Richard Henderson
On 07/02/2018 03:37 AM, Peter Maydell wrote: > On 29 June 2018 at 22:37, Richard Henderson > wrote: >> When installing a TLB entry, remove any cached version of the >> same page in the VTLB. If the existing TLB entry matches, do >> not copy into the VTLB, but overwrite it. >> >> Signed-off-by: Ri

Re: [Qemu-devel] [PATCH] accel/tcg: Avoid caching overwritten tlb entries

2018-07-02 Thread Peter Maydell
On 29 June 2018 at 22:37, Richard Henderson wrote: > When installing a TLB entry, remove any cached version of the > same page in the VTLB. If the existing TLB entry matches, do > not copy into the VTLB, but overwrite it. > > Signed-off-by: Richard Henderson > --- > > This may fix some problems

[Qemu-devel] [PATCH] accel/tcg: Avoid caching overwritten tlb entries

2018-06-29 Thread Richard Henderson
When installing a TLB entry, remove any cached version of the same page in the VTLB. If the existing TLB entry matches, do not copy into the VTLB, but overwrite it. Signed-off-by: Richard Henderson --- This may fix some problems with Q800 that Laurent reported. On IRC, Peter suggested that reg