Re: [PATCH v7 09/12] xen: add runtime parameter access support to hypfs

2020-04-14 Thread Julien Grall
On 14/04/2020 10:50, Jan Beulich wrote: On 14.04.2020 11:45, Julien Grall wrote: On 14/04/2020 10:31, Jan Beulich wrote: On 14.04.2020 11:29, Julien Grall wrote: On 03/04/2020 16:31, Jürgen Groß wrote: On 03.04.20 16:51, Jan Beulich wrote: On 02.04.2020 17:46, Juergen Gross wrote: V7:

Re: [PATCH v7 09/12] xen: add runtime parameter access support to hypfs

2020-04-14 Thread Jan Beulich
On 14.04.2020 11:45, Julien Grall wrote: > > > On 14/04/2020 10:31, Jan Beulich wrote: >> On 14.04.2020 11:29, Julien Grall wrote: >>> On 03/04/2020 16:31, Jürgen Groß wrote: On 03.04.20 16:51, Jan Beulich wrote: > On 02.04.2020 17:46, Juergen Gross wrote: >> V7: >> - fine tune s

Re: [PATCH v7 09/12] xen: add runtime parameter access support to hypfs

2020-04-14 Thread Julien Grall
On 14/04/2020 10:31, Jan Beulich wrote: On 14.04.2020 11:29, Julien Grall wrote: On 03/04/2020 16:31, Jürgen Groß wrote: On 03.04.20 16:51, Jan Beulich wrote: On 02.04.2020 17:46, Juergen Gross wrote: V7: - fine tune some parameter initializations (Jan Beulich) - call custom_runtime_set_va

Re: [PATCH v7 09/12] xen: add runtime parameter access support to hypfs

2020-04-14 Thread Jan Beulich
On 14.04.2020 11:29, Julien Grall wrote: > On 03/04/2020 16:31, Jürgen Groß wrote: >> On 03.04.20 16:51, Jan Beulich wrote: >>> On 02.04.2020 17:46, Juergen Gross wrote: V7: - fine tune some parameter initializations (Jan Beulich) - call custom_runtime_set_var() after updating the va

Re: [PATCH v7 09/12] xen: add runtime parameter access support to hypfs

2020-04-14 Thread Julien Grall
On 03/04/2020 16:31, Jürgen Groß wrote: On 03.04.20 16:51, Jan Beulich wrote: On 02.04.2020 17:46, Juergen Gross wrote: V7: - fine tune some parameter initializations (Jan Beulich) - call custom_runtime_set_var() after updating the value - modify alignment in Arm linker script to 4 (Jan Beul

Re: [PATCH v7 09/12] xen: add runtime parameter access support to hypfs

2020-04-03 Thread Jürgen Groß
On 03.04.20 16:51, Jan Beulich wrote: On 02.04.2020 17:46, Juergen Gross wrote: V7: - fine tune some parameter initializations (Jan Beulich) - call custom_runtime_set_var() after updating the value - modify alignment in Arm linker script to 4 (Jan Beulich) I didn't ask for this to be unilatera

Re: [PATCH v7 09/12] xen: add runtime parameter access support to hypfs

2020-04-03 Thread Jan Beulich
On 02.04.2020 17:46, Juergen Gross wrote: > V7: > - fine tune some parameter initializations (Jan Beulich) > - call custom_runtime_set_var() after updating the value > - modify alignment in Arm linker script to 4 (Jan Beulich) I didn't ask for this to be unilaterally 4 - I don't think this would w

[PATCH v7 09/12] xen: add runtime parameter access support to hypfs

2020-04-02 Thread Juergen Gross
Add support to read and modify values of hypervisor runtime parameters via the hypervisor file system. As runtime parameters can be modified via a sysctl, too, this path has to take the hypfs rw_lock as writer. For custom runtime parameters the connection between the parameter value and the file