Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-11-13 Thread Leonardo Bras Soares Passos
On Sun, Nov 12, 2023 at 1:24 AM Guo Ren wrote: > > On Mon, Nov 6, 2023 at 3:42 PM Leonardo Bras wrote: > > > > On Sun, Sep 10, 2023 at 04:28:54AM -0400, guo...@kernel.org wrote: > > > From: Guo Ren > > > > > > patch[1 - 10]: Native qspinlock > > > patch[11 -17]: Paravirt qspinlock > > > > > >

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-11-11 Thread Guo Ren
On Mon, Nov 6, 2023 at 3:42 PM Leonardo Bras wrote: > > On Sun, Sep 10, 2023 at 04:28:54AM -0400, guo...@kernel.org wrote: > > From: Guo Ren > > > > patch[1 - 10]: Native qspinlock > > patch[11 -17]: Paravirt qspinlock > > > > patch[4]: Add prefetchw in qspinlock's xchg_tail when cpus >= 16k >

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-11-06 Thread Leonardo Bras
On Sun, Sep 10, 2023 at 04:28:54AM -0400, guo...@kernel.org wrote: > From: Guo Ren > > patch[1 - 10]: Native qspinlock > patch[11 -17]: Paravirt qspinlock > > patch[4]: Add prefetchw in qspinlock's xchg_tail when cpus >= 16k > > This series based on: > - [RFC PATCH v5 0/5] Rework & improve r

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-12 Thread Guo Ren
On Tue, Sep 12, 2023 at 4:08 PM Conor Dooley wrote: > > On Tue, Sep 12, 2023 at 09:33:57AM +0800, Guo Ren wrote: > > On Mon, Sep 11, 2023 at 8:53 PM Conor Dooley > > wrote: > > > > I added the new "riscv,isa-extensions" property in part to make > > > communicating vendor extensions like this eas

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-12 Thread Conor Dooley
On Tue, Sep 12, 2023 at 09:33:57AM +0800, Guo Ren wrote: > On Mon, Sep 11, 2023 at 8:53 PM Conor Dooley > wrote: > > I added the new "riscv,isa-extensions" property in part to make > > communicating vendor extensions like this easier. Please try to use > > that. "qspinlock" is software configura

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-11 Thread Guo Ren
On Mon, Sep 11, 2023 at 8:53 PM Conor Dooley wrote: > > On Mon, Sep 11, 2023 at 11:36:27AM +0800, Guo Ren wrote: > > On Mon, Sep 11, 2023 at 3:45 AM Conor Dooley wrote: > > > > > > On Sun, Sep 10, 2023 at 05:49:13PM +0800, Guo Ren wrote: > > > > On Sun, Sep 10, 2023 at 5:32 PM Conor Dooley wrote

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-11 Thread Conor Dooley
On Mon, Sep 11, 2023 at 11:36:27AM +0800, Guo Ren wrote: > On Mon, Sep 11, 2023 at 3:45 AM Conor Dooley wrote: > > > > On Sun, Sep 10, 2023 at 05:49:13PM +0800, Guo Ren wrote: > > > On Sun, Sep 10, 2023 at 5:32 PM Conor Dooley wrote: > > > > > > > > On Sun, Sep 10, 2023 at 05:16:46PM +0800, Guo R

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-10 Thread Guo Ren
On Mon, Sep 11, 2023 at 3:45 AM Conor Dooley wrote: > > On Sun, Sep 10, 2023 at 05:49:13PM +0800, Guo Ren wrote: > > On Sun, Sep 10, 2023 at 5:32 PM Conor Dooley wrote: > > > > > > On Sun, Sep 10, 2023 at 05:16:46PM +0800, Guo Ren wrote: > > > > On Sun, Sep 10, 2023 at 4:58 PM Conor Dooley wrote

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-10 Thread Conor Dooley
On Sun, Sep 10, 2023 at 05:49:13PM +0800, Guo Ren wrote: > On Sun, Sep 10, 2023 at 5:32 PM Conor Dooley wrote: > > > > On Sun, Sep 10, 2023 at 05:16:46PM +0800, Guo Ren wrote: > > > On Sun, Sep 10, 2023 at 4:58 PM Conor Dooley wrote: > > > > > > > > On Sun, Sep 10, 2023 at 04:28:54AM -0400, guo..

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-10 Thread Guo Ren
On Sun, Sep 10, 2023 at 5:32 PM Conor Dooley wrote: > > On Sun, Sep 10, 2023 at 05:16:46PM +0800, Guo Ren wrote: > > On Sun, Sep 10, 2023 at 4:58 PM Conor Dooley wrote: > > > > > > On Sun, Sep 10, 2023 at 04:28:54AM -0400, guo...@kernel.org wrote: > > > > > > > Changlog: > > > > V11: > > > > - B

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-10 Thread Conor Dooley
On Sun, Sep 10, 2023 at 05:16:46PM +0800, Guo Ren wrote: > On Sun, Sep 10, 2023 at 4:58 PM Conor Dooley wrote: > > > > On Sun, Sep 10, 2023 at 04:28:54AM -0400, guo...@kernel.org wrote: > > > > > Changlog: > > > V11: > > > - Based on Leonardo Bras's cmpxchg_small patches v5. > > > - Based on Guo

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-10 Thread Guo Ren
On Sun, Sep 10, 2023 at 5:16 PM Guo Ren wrote: > > On Sun, Sep 10, 2023 at 4:58 PM Conor Dooley wrote: > > > > On Sun, Sep 10, 2023 at 04:28:54AM -0400, guo...@kernel.org wrote: > > > > > Changlog: > > > V11: > > > - Based on Leonardo Bras's cmpxchg_small patches v5. > > > - Based on Guo Ren's

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-10 Thread Guo Ren
On Sun, Sep 10, 2023 at 4:58 PM Conor Dooley wrote: > > On Sun, Sep 10, 2023 at 04:28:54AM -0400, guo...@kernel.org wrote: > > > Changlog: > > V11: > > - Based on Leonardo Bras's cmpxchg_small patches v5. > > - Based on Guo Ren's Optimize arch_spin_value_unlocked patch v3. > > - Remove abusing

Re: [PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-10 Thread Conor Dooley
On Sun, Sep 10, 2023 at 04:28:54AM -0400, guo...@kernel.org wrote: > Changlog: > V11: > - Based on Leonardo Bras's cmpxchg_small patches v5. > - Based on Guo Ren's Optimize arch_spin_value_unlocked patch v3. > - Remove abusing alternative framework and use jump_label instead. btw, I didn't say

[PATCH V11 00/17] riscv: Add Native/Paravirt qspinlock support

2023-09-10 Thread guoren
From: Guo Ren patch[1 - 10]: Native qspinlock patch[11 -17]: Paravirt qspinlock patch[4]: Add prefetchw in qspinlock's xchg_tail when cpus >= 16k This series based on: - [RFC PATCH v5 0/5] Rework & improve riscv cmpxchg.h and atomic.h https://lore.kernel.org/linux-riscv/20230810040349.92