Re: [Xen-devel] [PATCH v7 10/11] arm: vsmc: remove 64 bit mode check in PSCI handler

2017-10-10 Thread Julien Grall
Hi, On 04/10/17 22:00, Volodymyr Babchuk wrote: PSCI handling code had helper routine that checked calling convention. It does not needed anymore, because: - Generic handler checks that 64 bit calls can be made only by 64 bit guests. - SMCCC requires that 64-bit handler should support

Re: [Xen-devel] [PATCH v7 10/11] arm: vsmc: remove 64 bit mode check in PSCI handler

2017-10-10 Thread Julien Grall
Hi, On 09/10/17 21:32, Stefano Stabellini wrote: On Fri, 6 Oct 2017, Julien Grall wrote: Hi Volodymyr, On 04/10/17 22:00, Volodymyr Babchuk wrote: PSCI handling code had helper routine that checked calling convention. It does not needed anymore, because: - Generic handler checks that 64 b

Re: [Xen-devel] [PATCH v7 10/11] arm: vsmc: remove 64 bit mode check in PSCI handler

2017-10-09 Thread Stefano Stabellini
On Fri, 6 Oct 2017, Julien Grall wrote: > Hi Volodymyr, > > On 04/10/17 22:00, Volodymyr Babchuk wrote: > > PSCI handling code had helper routine that checked calling convention. > > It does not needed anymore, because: > > > > - Generic handler checks that 64 bit calls can be made only by > >

Re: [Xen-devel] [PATCH v7 10/11] arm: vsmc: remove 64 bit mode check in PSCI handler

2017-10-06 Thread Julien Grall
Hi Volodymyr, On 04/10/17 22:00, Volodymyr Babchuk wrote: PSCI handling code had helper routine that checked calling convention. It does not needed anymore, because: - Generic handler checks that 64 bit calls can be made only by 64 bit guests. - SMCCC requires that 64-bit handler shoul

[Xen-devel] [PATCH v7 10/11] arm: vsmc: remove 64 bit mode check in PSCI handler

2017-10-04 Thread Volodymyr Babchuk
PSCI handling code had helper routine that checked calling convention. It does not needed anymore, because: - Generic handler checks that 64 bit calls can be made only by 64 bit guests. - SMCCC requires that 64-bit handler should support both 32 and 64 bit calls even if they originate fro