Re: [PATCH v2] ARM: kernel: Fix interrupted SMC calls

2021-02-11 Thread Manivannan Sadhasivam
+ Arnd On Mon, Feb 01, 2021 at 06:06:07PM +0530, Manivannan Sadhasivam wrote: > Hi, > > On Mon, Jan 18, 2021 at 11:40:40PM +0530, Manivannan Sadhasivam wrote: > > On Qualcomm ARM32 platforms, the SMC call can return before it has > > completed. If this occurs, the call can be restarted, but it re

Re: [PATCH v2] ARM: kernel: Fix interrupted SMC calls

2021-02-01 Thread Manivannan Sadhasivam
Hi, On Mon, Jan 18, 2021 at 11:40:40PM +0530, Manivannan Sadhasivam wrote: > On Qualcomm ARM32 platforms, the SMC call can return before it has > completed. If this occurs, the call can be restarted, but it requires > using the returned session ID value from the interrupted SMC call. > > The ARM3

[PATCH v2] ARM: kernel: Fix interrupted SMC calls

2021-01-18 Thread Manivannan Sadhasivam
On Qualcomm ARM32 platforms, the SMC call can return before it has completed. If this occurs, the call can be restarted, but it requires using the returned session ID value from the interrupted SMC call. The ARM32 SMCC code already has the provision to add platform specific quirks for things like