Re: [PATCH v4 6/6] LoongArch: Add pv ipi support on LoongArch system

2024-02-19 Thread maobibo
On 2024/2/19 下午5:02, Huacai Chen wrote: On Mon, Feb 19, 2024 at 3:37 PM maobibo wrote: On 2024/2/19 下午3:16, Huacai Chen wrote: On Mon, Feb 19, 2024 at 12:18 PM maobibo wrote: On 2024/2/19 上午10:45, Huacai Chen wrote: Hi, Bibo, On Thu, Feb 1, 2024 at 11:20 AM Bibo Mao wrote: On L

Re: [PATCH v4 6/6] LoongArch: Add pv ipi support on LoongArch system

2024-02-19 Thread Huacai Chen
On Mon, Feb 19, 2024 at 3:37 PM maobibo wrote: > > > > On 2024/2/19 下午3:16, Huacai Chen wrote: > > On Mon, Feb 19, 2024 at 12:18 PM maobibo wrote: > >> > >> > >> > >> On 2024/2/19 上午10:45, Huacai Chen wrote: > >>> Hi, Bibo, > >>> > >>> On Thu, Feb 1, 2024 at 11:20 AM Bibo Mao wrote: > > >>>

Re: [PATCH v4 6/6] LoongArch: Add pv ipi support on LoongArch system

2024-02-18 Thread maobibo
On 2024/2/19 下午3:16, Huacai Chen wrote: On Mon, Feb 19, 2024 at 12:18 PM maobibo wrote: On 2024/2/19 上午10:45, Huacai Chen wrote: Hi, Bibo, On Thu, Feb 1, 2024 at 11:20 AM Bibo Mao wrote: On LoongArch system, ipi hw uses iocsr registers, there is one iocsr register access on ipi sendi

Re: [PATCH v4 6/6] LoongArch: Add pv ipi support on LoongArch system

2024-02-18 Thread Huacai Chen
On Mon, Feb 19, 2024 at 12:18 PM maobibo wrote: > > > > On 2024/2/19 上午10:45, Huacai Chen wrote: > > Hi, Bibo, > > > > On Thu, Feb 1, 2024 at 11:20 AM Bibo Mao wrote: > >> > >> On LoongArch system, ipi hw uses iocsr registers, there is one iocsr > >> register access on ipi sending, and two iocsr

Re: [PATCH v4 6/6] LoongArch: Add pv ipi support on LoongArch system

2024-02-18 Thread maobibo
On 2024/2/19 上午10:45, Huacai Chen wrote: Hi, Bibo, On Thu, Feb 1, 2024 at 11:20 AM Bibo Mao wrote: On LoongArch system, ipi hw uses iocsr registers, there is one iocsr register access on ipi sending, and two iocsr access on ipi receiving which is ipi interrupt handler. On VM mode all iocsr

Re: [PATCH v4 6/6] LoongArch: Add pv ipi support on LoongArch system

2024-02-18 Thread Huacai Chen
Hi, Bibo, On Thu, Feb 1, 2024 at 11:20 AM Bibo Mao wrote: > > On LoongArch system, ipi hw uses iocsr registers, there is one iocsr > register access on ipi sending, and two iocsr access on ipi receiving > which is ipi interrupt handler. On VM mode all iocsr registers > accessing will cause VM to

[PATCH v4 6/6] LoongArch: Add pv ipi support on LoongArch system

2024-01-31 Thread Bibo Mao
On LoongArch system, ipi hw uses iocsr registers, there is one iocsr register access on ipi sending, and two iocsr access on ipi receiving which is ipi interrupt handler. On VM mode all iocsr registers accessing will cause VM to trap into hypervisor. So with ipi hw notification once there will be t