Re: [Xen-devel] [PATCH 15/17] xen/arm64: head: Rework and document setup_fixmap()

2019-06-27 Thread Stefano Stabellini
On Thu, 27 Jun 2019, Julien Grall wrote: > Hi Stefano, > > On 26/06/2019 20:30, Julien Grall wrote: > > On 6/26/19 8:01 PM, Stefano Stabellini wrote: > > > On Mon, 10 Jun 2019, Julien Grall wrote: > > > > At the moment, the fixmap table is only hooked when earlyprintk is used. > > > > This is

Re: [Xen-devel] [PATCH 15/17] xen/arm64: head: Rework and document setup_fixmap()

2019-06-27 Thread Julien Grall
Hi Stefano, On 26/06/2019 20:30, Julien Grall wrote: On 6/26/19 8:01 PM, Stefano Stabellini wrote: On Mon, 10 Jun 2019, Julien Grall wrote: At the moment, the fixmap table is only hooked when earlyprintk is used. This is fine today because in C land, the fixmap is not used by anyone until the

Re: [Xen-devel] [PATCH 15/17] xen/arm64: head: Rework and document setup_fixmap()

2019-06-27 Thread Julien Grall
Hi Stefano, On 26/06/2019 20:02, Stefano Stabellini wrote: On Mon, 10 Jun 2019, Julien Grall wrote: At the moment, the fixmap table is only hooked when earlyprintk is used. This is fine today because in C land, the fixmap is not used by anyone until the the boot CPU is switching to the runtime

Re: [Xen-devel] [PATCH 15/17] xen/arm64: head: Rework and document setup_fixmap()

2019-06-26 Thread Julien Grall
Hi Stefano, On 6/26/19 8:01 PM, Stefano Stabellini wrote: On Mon, 10 Jun 2019, Julien Grall wrote: At the moment, the fixmap table is only hooked when earlyprintk is used. This is fine today because in C land, the fixmap is not used by anyone until the the boot CPU is switching to the runtime

Re: [Xen-devel] [PATCH 15/17] xen/arm64: head: Rework and document setup_fixmap()

2019-06-26 Thread Stefano Stabellini
On Mon, 10 Jun 2019, Julien Grall wrote: > At the moment, the fixmap table is only hooked when earlyprintk is used. > This is fine today because in C land, the fixmap is not used by anyone > until the the boot CPU is switching to the runtime page-tables. > > In the future, the boot CPU will not

Re: [Xen-devel] [PATCH 15/17] xen/arm64: head: Rework and document setup_fixmap()

2019-06-26 Thread Stefano Stabellini
On Mon, 10 Jun 2019, Julien Grall wrote: > At the moment, the fixmap table is only hooked when earlyprintk is used. > This is fine today because in C land, the fixmap is not used by anyone > until the the boot CPU is switching to the runtime page-tables. > > In the future, the boot CPU will not