Re: [PATCH 0/7] riscv: Correctly handle IPIs already pending upon boot

2020-09-10 Thread Sean Anderson
On 9/10/20 3:08 AM, Rick Chen wrote: > Hi Sean > >> On 9/8/20 10:02 PM, Rick Chen wrote: >>> Hi Sean >>> On the K210, the prior stage bootloader does not clear IPIs. This presents a problem, because U-Boot up until this point assumes (with one exception) that IPIs are cleared when i

Re: [PATCH 0/7] riscv: Correctly handle IPIs already pending upon boot

2020-09-10 Thread Rick Chen
Hi Sean > On 9/8/20 10:02 PM, Rick Chen wrote: > > Hi Sean > > > >> On the K210, the prior stage bootloader does not clear IPIs. This presents > >> a problem, because U-Boot up until this point assumes (with one exception) > >> that IPIs are cleared when it starts. This series attempts to fix this

Re: [PATCH 0/7] riscv: Correctly handle IPIs already pending upon boot

2020-09-08 Thread Sean Anderson
On 9/8/20 10:38 PM, Sean Anderson wrote: > On 9/8/20 10:02 PM, Rick Chen wrote: >> Hi Sean >> >>> On the K210, the prior stage bootloader does not clear IPIs. This presents >>> a problem, because U-Boot up until this point assumes (with one exception) >>> that IPIs are cleared when it starts. This

Re: [PATCH 0/7] riscv: Correctly handle IPIs already pending upon boot

2020-09-08 Thread Sean Anderson
On 9/8/20 10:02 PM, Rick Chen wrote: > Hi Sean > >> On the K210, the prior stage bootloader does not clear IPIs. This presents >> a problem, because U-Boot up until this point assumes (with one exception) >> that IPIs are cleared when it starts. This series attempts to fix this in a >> robust mann

Re: [PATCH 0/7] riscv: Correctly handle IPIs already pending upon boot

2020-09-08 Thread Rick Chen
Hi Sean > On the K210, the prior stage bootloader does not clear IPIs. This presents > a problem, because U-Boot up until this point assumes (with one exception) > that IPIs are cleared when it starts. This series attempts to fix this in a > robust manner, and fix several concurrency bugs I notice

[PATCH 0/7] riscv: Correctly handle IPIs already pending upon boot

2020-09-07 Thread Sean Anderson
On the K210, the prior stage bootloader does not clear IPIs. This presents a problem, because U-Boot up until this point assumes (with one exception) that IPIs are cleared when it starts. This series attempts to fix this in a robust manner, and fix several concurrency bugs I noticed while fixing th