BTW, on a just-built 9.99.36, qemu-nvmm now works. However, it seems
at least three times slower than before.
Chavdar
On Sat, 11 Jan 2020 at 20:59, Andrew Doran wrote:
>
> On Fri, Jan 10, 2020 at 06:56:29PM +, Andrew Doran wrote:
>
> > On Thu, Jan 09, 2020 at 05:46:13PM +0100, Maxime Villard
On Fri, Jan 10, 2020 at 06:56:29PM +, Andrew Doran wrote:
> On Thu, Jan 09, 2020 at 05:46:13PM +0100, Maxime Villard wrote:
>
> > This FPU issue should be fixed in the latest nvmm_x86_vmx.c, we still have
> > STTS/CLTS (not needed but for debugging) as part of context switches, and
> > when o
On Thu, Jan 09, 2020 at 05:46:13PM +0100, Maxime Villard wrote:
> This FPU issue should be fixed in the latest nvmm_x86_vmx.c, we still have
> STTS/CLTS (not needed but for debugging) as part of context switches, and
> when overhauling the FPU code I overlooked that VMX needs special CR0_TS
> care
Le 08/01/2020 à 22:50, Andrew Doran a écrit :
On Tue, Jan 07, 2020 at 09:39:22AM +0100, Maxime Villard wrote:
Module Name:src
Committed By: ad
Date: Sat Jan 4 22:49:20 UTC 2020
Modified Files:
src/sys/arch/x86/include: pmap.h pmap_pv.h
src/sys/arch/x86/x86: p
On Tue, Jan 07, 2020 at 09:39:22AM +0100, Maxime Villard wrote:
> > Module Name:src
> > Committed By: ad
> > Date: Sat Jan 4 22:49:20 UTC 2020
> >
> > Modified Files:
> > src/sys/arch/x86/include: pmap.h pmap_pv.h
> > src/sys/arch/x86/x86: pmap.c
> > src/s
On Tue, Jan 07, 2020 at 09:39:22AM +0100, Maxime Villard wrote:
> You can test with this on an Intel CPU:
>
> # modload nvmm
> # /usr/tests/lib/libnvmm/./h_mem_assist
>
> This currently gives random crashes.
I'll dig into it. There were also reports of NVMM failures on the lists bu
On Tue, Jan 07, 2020 at 09:50:42AM +0100, Maxime Villard wrote:
> Also unrelated remark:
>
> + kmutex_t pm_lock/* locks for pm_objs */
> + __aligned(64); /* give lock own cache line */
>
> x86 CPUs will soon have 128-byte cache lines, and to ease the upgr
Le 07/01/2020 à 09:39, Maxime Villard a écrit :
Module Name: src
Committed By: ad
Date: Sat Jan 4 22:49:20 UTC 2020
Modified Files:
src/sys/arch/x86/include: pmap.h pmap_pv.h
src/sys/arch/x86/x86: pmap.c
src/sys/arch/xen/x86: xen_pmap.c
Log Message:
x86 p
Module Name:src
Committed By: ad
Date: Sat Jan 4 22:49:20 UTC 2020
Modified Files:
src/sys/arch/x86/include: pmap.h pmap_pv.h
src/sys/arch/x86/x86: pmap.c
src/sys/arch/xen/x86: xen_pmap.c
Log Message:
x86 pmap improvements, reducing system time during a b
