Re: [VDSO]: vdso_test failing on arm 32 bit

2018-02-08 Thread Pintu Kumar
On Thu, Feb 8, 2018 at 9:41 PM, Lynch, Nathan wrote: >> I commented the device tree reading property: >> arm,cpu-registers-not-fw-configured , from the arch/arm/kernel/vdso.c > > Don't do that, please. The presence of that property indicates that the > counter is not

Re: [VDSO]: vdso_test failing on arm 32 bit

2018-02-08 Thread Pintu Kumar
On Thu, Feb 8, 2018 at 9:41 PM, Lynch, Nathan wrote: >> I commented the device tree reading property: >> arm,cpu-registers-not-fw-configured , from the arch/arm/kernel/vdso.c > > Don't do that, please. The presence of that property indicates that the > counter is not suitable for use by the OS.

Re: [VDSO]: vdso_test failing on arm 32 bit

2018-02-08 Thread Lynch, Nathan
> I commented the device tree reading property: > arm,cpu-registers-not-fw-configured , from the arch/arm/kernel/vdso.c Don't do that, please. The presence of that property indicates that the counter is not suitable for use by the OS. There is nothing we can do in Linux to make the VDSO useful

Re: [VDSO]: vdso_test failing on arm 32 bit

2018-02-08 Thread Lynch, Nathan
> I commented the device tree reading property: > arm,cpu-registers-not-fw-configured , from the arch/arm/kernel/vdso.c Don't do that, please. The presence of that property indicates that the counter is not suitable for use by the OS. There is nothing we can do in Linux to make the VDSO useful

Re: [VDSO]: vdso_test failing on arm 32 bit

2018-02-07 Thread Pintu Kumar
Dear Nathan & Russel, I have few more question about vdso for arm-32-bit. I am using iMX7 board to very VDSO gettimeofday timing. To make kernel/Documentation/vDSO/vdsotest work on this board, I commented the device tree reading property: arm,cpu-registers-not-fw-configured , from the :

Re: [VDSO]: vdso_test failing on arm 32 bit

2018-02-07 Thread Pintu Kumar
Dear Nathan & Russel, I have few more question about vdso for arm-32-bit. I am using iMX7 board to very VDSO gettimeofday timing. To make kernel/Documentation/vDSO/vdsotest work on this board, I commented the device tree reading property: arm,cpu-registers-not-fw-configured , from the :

Re: [VDSO]: vdso_test failing on arm 32 bit

2017-12-12 Thread Russell King - ARM Linux
On Tue, Dec 12, 2017 at 09:49:42PM +0530, Pintu Kumar wrote: > Hi All, > > Did anybody tried running vdso_test (under Documentation/vDSO in > kernel 4.1) on an ARM 32 bit system? > > When I test it on iMX.7 board (kernel 4.1, ARM 32 bit), I get this: > # ./vdso_test > Could not find

Re: [VDSO]: vdso_test failing on arm 32 bit

2017-12-12 Thread Russell King - ARM Linux
On Tue, Dec 12, 2017 at 09:49:42PM +0530, Pintu Kumar wrote: > Hi All, > > Did anybody tried running vdso_test (under Documentation/vDSO in > kernel 4.1) on an ARM 32 bit system? > > When I test it on iMX.7 board (kernel 4.1, ARM 32 bit), I get this: > # ./vdso_test > Could not find