Re: [PATCH RFC v1 06/18] x86/hyperv: allocate output arg pages if required

2020-09-16 Thread Vitaly Kuznetsov
Wei Liu writes: > On Tue, Sep 15, 2020 at 12:43:18PM +, Wei Liu wrote: >> On Tue, Sep 15, 2020 at 12:16:58PM +0200, Vitaly Kuznetsov wrote: >> > Wei Liu writes: >> > >> > > When Linux runs as the root partition, it will need to make hypercalls >> > > which return data from the hypervisor. >

Re: [PATCH RFC v1 06/18] x86/hyperv: allocate output arg pages if required

2020-09-16 Thread Wei Liu
On Tue, Sep 15, 2020 at 12:43:18PM +, Wei Liu wrote: > On Tue, Sep 15, 2020 at 12:16:58PM +0200, Vitaly Kuznetsov wrote: > > Wei Liu writes: > > > > > When Linux runs as the root partition, it will need to make hypercalls > > > which return data from the hypervisor. > > > > > > Allocate pages

Re: [PATCH RFC v1 06/18] x86/hyperv: allocate output arg pages if required

2020-09-15 Thread Wei Liu
On Tue, Sep 15, 2020 at 12:16:58PM +0200, Vitaly Kuznetsov wrote: > Wei Liu writes: > > > When Linux runs as the root partition, it will need to make hypercalls > > which return data from the hypervisor. > > > > Allocate pages for storing results when Linux runs as the root > > partition. > > > >

Re: [PATCH RFC v1 06/18] x86/hyperv: allocate output arg pages if required

2020-09-15 Thread Vitaly Kuznetsov
Wei Liu writes: > When Linux runs as the root partition, it will need to make hypercalls > which return data from the hypervisor. > > Allocate pages for storing results when Linux runs as the root > partition. > > Signed-off-by: Lillian Grassin-Drake > Co-Developed-by: Lillian Grassin-Drake > S