Re: v0.9 vs v1.1 interrupt latency raise

2019-10-24 Thread Chung-Fan Yang
> > Do you mean upgrading Jailhouse (and only that) from 0.9 to 0.11? > > Yes We refactored quite a bit between the two releases. Namely, 0.10 brought > per-cpu page tables. > Page table might be the cause, but I am not sure. I did noticed that my my process updating the page table during

[PATCH 2/3] inmates: demos: add PL irq lattency measurement test for baremetal inmate

2019-10-24 Thread Alex Largacha
Signed-off-by: Alex Largacha --- inmates/demos/arm/pl-irq-demo.c | 170 inmates/demos/arm64/Makefile| 3 +- 2 files changed, 172 insertions(+), 1 deletion(-) create mode 100644 inmates/demos/arm/pl-irq-demo.c diff --git

[PATCH 3/3] Documentation: brief explanation of board and software setup for jailhouse in UltraZed

2019-10-24 Thread Alex Largacha
Signed-off-by: Alex Largacha --- Documentation/setup-on-zynqmp-ultrazed3eg.md | 128 +++ 1 file changed, 128 insertions(+) create mode 100644 Documentation/setup-on-zynqmp-ultrazed3eg.md diff --git a/Documentation/setup-on-zynqmp-ultrazed3eg.md

[PATCH 0/3] add support for UltraZed SOM + UltraZed-EG IO Carrier Card

2019-10-24 Thread Alex Largacha
This patch series adds support for UltraZed SOM + UltraZed SOM + UltraZed-EG IO Carrier Card It adds also a demo to measure the lattency of a PL generated interrupt in a baremetal inmate Alex Largacha (3): configs: arm64: add config files for UltraZed SOM + UltraZed carrier IOCC

[PATCH 1/3] configs: arm64: add config files for UltraZed SOM + UltraZed carrier IOCC

2019-10-24 Thread Alex Largacha
Signed-off-by: Alex Largacha --- configs/arm64/ultrazed3eg-iocc-pl-gic-demo.c | 120 + configs/arm64/ultrazed3eg-iocc.c | 154 +++ 2 files changed, 274 insertions(+) create mode 100644 configs/arm64/ultrazed3eg-iocc-pl-gic-demo.c create

Re: kernel build failure

2019-10-24 Thread Jan Kiszka
On 24.10.19 13:01, Lokesh Vutla wrote: > > > On 24/10/19 4:28 PM, Jan Kiszka wrote: >> On 24.10.19 12:09, Peng Fan wrote: Subject: Re: kernel build failure On 24.10.19 08:07, 'Lokesh Vutla' via Jailhouse wrote: > > > On 23/10/19 3:47 PM, Peng Fan wrote: >> Hi Jan,

Re: kernel build failure

2019-10-24 Thread 'Lokesh Vutla' via Jailhouse
On 24/10/19 4:28 PM, Jan Kiszka wrote: > On 24.10.19 12:09, Peng Fan wrote: >>> Subject: Re: kernel build failure >>> >>> On 24.10.19 08:07, 'Lokesh Vutla' via Jailhouse wrote: On 23/10/19 3:47 PM, Peng Fan wrote: > Hi Jan, > > When MODVERSIONS and ASM_MODVERSIONS

Re: kernel build failure

2019-10-24 Thread Jan Kiszka
On 24.10.19 12:09, Peng Fan wrote: >> Subject: Re: kernel build failure >> >> On 24.10.19 08:07, 'Lokesh Vutla' via Jailhouse wrote: >>> >>> >>> On 23/10/19 3:47 PM, Peng Fan wrote: Hi Jan, When MODVERSIONS and ASM_MODVERSIONS defined, your >> queue/jailhouse tree will have build

RE: kernel build failure

2019-10-24 Thread Peng Fan
> Subject: Re: kernel build failure > > On 24.10.19 08:07, 'Lokesh Vutla' via Jailhouse wrote: > > > > > > On 23/10/19 3:47 PM, Peng Fan wrote: > >> Hi Jan, > >> > >> When MODVERSIONS and ASM_MODVERSIONS defined, your > queue/jailhouse tree will have build failure for ARM64. > >> > >> MODPOST

Re: v0.9 vs v1.1 interrupt latency raise

2019-10-24 Thread Jan Kiszka
On 24.10.19 10:17, Chung-Fan Yang wrote: > Hello, > > I observed that the interrupt latency raise from 20us to 50us (measures > in an RTOS) after I upgraded from v0.9 to v1.1. Do you mean upgrading Jailhouse (and only that) from 0.9 to 0.11? > > I am working on x86_64, so I am suspecting CPU bug

Re: kernel build failure

2019-10-24 Thread Jan Kiszka
On 24.10.19 08:07, 'Lokesh Vutla' via Jailhouse wrote: > > > On 23/10/19 3:47 PM, Peng Fan wrote: >> Hi Jan, >> >> When MODVERSIONS and ASM_MODVERSIONS defined, your queue/jailhouse tree will >> have build failure for ARM64. >> >> MODPOST vmlinux.o >> WARNING: EXPORT symbol "__hyp_stub_vectors"

v0.9 vs v1.1 interrupt latency raise

2019-10-24 Thread Chung-Fan Yang
Hello, I observed that the interrupt latency raise from 20us to 50us (measures in an RTOS) after I upgraded from v0.9 to v1.1. I am working on x86_64, so I am suspecting CPU bug mitigations. I would like to ask that are there any CPU bugs mitigations in effect? However, I do find out that in

Re: kernel build failure

2019-10-24 Thread 'Lokesh Vutla' via Jailhouse
On 23/10/19 3:47 PM, Peng Fan wrote: > Hi Jan, > > When MODVERSIONS and ASM_MODVERSIONS defined, your queue/jailhouse tree will > have build failure for ARM64. > > MODPOST vmlinux.o > WARNING: EXPORT symbol "__hyp_stub_vectors" [vmlinux] version generation > failed, symbol will not be