Re: [PATCH v2 2/2] target/riscv: Support xtheadmaee for thead-c906

2024-03-28 Thread Christoph Müllner
On Thu, Mar 28, 2024 at 2:19 AM Alistair Francis wrote: > > On Wed, Mar 27, 2024 at 9:19 PM Conor Dooley wrote: > > > > Christoph linked here on his submission to Linux of a fix for this, so I > > am reviving this to leave a couple comments :) > > > > On Thu, Feb 15, 2024 at 02:24:02PM +1000, Ali

Re: [PATCH v2 2/2] target/riscv: Support xtheadmaee for thead-c906

2024-03-27 Thread Alistair Francis
On Wed, Mar 27, 2024 at 9:19 PM Conor Dooley wrote: > > Christoph linked here on his submission to Linux of a fix for this, so I > am reviving this to leave a couple comments :) > > On Thu, Feb 15, 2024 at 02:24:02PM +1000, Alistair Francis wrote: > > On Mon, Feb 5, 2024 at 6:37 PM Christoph Mülln

Re: [PATCH v2 2/2] target/riscv: Support xtheadmaee for thead-c906

2024-03-27 Thread Conor Dooley
Christoph linked here on his submission to Linux of a fix for this, so I am reviving this to leave a couple comments :) On Thu, Feb 15, 2024 at 02:24:02PM +1000, Alistair Francis wrote: > On Mon, Feb 5, 2024 at 6:37 PM Christoph Müllner > wrote: > > On Mon, Feb 5, 2024 at 3:42 AM Alistair Francis

Re: [PATCH v2 2/2] target/riscv: Support xtheadmaee for thead-c906

2024-02-14 Thread Alistair Francis
On Mon, Feb 5, 2024 at 6:37 PM Christoph Müllner wrote: > > On Mon, Feb 5, 2024 at 3:42 AM Alistair Francis wrote: > > > > On Sun, Feb 4, 2024 at 3:44 PM LIU Zhiwei > > wrote: > > > > > > This patch set fix the regression on kernel pointed by Björn Töpel in > > > https://www.mail-archive.com/qe

Re: [PATCH v2 2/2] target/riscv: Support xtheadmaee for thead-c906

2024-02-05 Thread Christoph Müllner
On Mon, Feb 5, 2024 at 3:42 AM Alistair Francis wrote: > > On Sun, Feb 4, 2024 at 3:44 PM LIU Zhiwei > wrote: > > > > This patch set fix the regression on kernel pointed by Björn Töpel in > > https://www.mail-archive.com/qemu-devel@nongnu.org/msg1018232.html. > > > > thead-c906 uses some flags i

Re: [PATCH v2 2/2] target/riscv: Support xtheadmaee for thead-c906

2024-02-04 Thread Alistair Francis
On Sun, Feb 4, 2024 at 3:44 PM LIU Zhiwei wrote: > > This patch set fix the regression on kernel pointed by Björn Töpel in > https://www.mail-archive.com/qemu-devel@nongnu.org/msg1018232.html. > > thead-c906 uses some flags in pte [60-63] bits. It has history reasons that > SVPBMT didn't exist whe

[PATCH v2 2/2] target/riscv: Support xtheadmaee for thead-c906

2024-02-03 Thread LIU Zhiwei
This patch set fix the regression on kernel pointed by Björn Töpel in https://www.mail-archive.com/qemu-devel@nongnu.org/msg1018232.html. thead-c906 uses some flags in pte [60-63] bits. It has history reasons that SVPBMT didn't exist when thead-c906 came to wotrld. We named this feature as xtheadm