On Fri, 2023-06-23 at 12:24 +1000, Alistair Francis wrote:
> On Mon, Jun 19, 2023 at 6:25 PM Robbin Ehn wrote:
> >
> > This patch adds the new syscall for the
> > "RISC-V Hardware Probing Interface"
> > (https://docs.kernel.org/riscv/hwprobe.html).
On Thu, 2023-06-15 at 10:12 -0700, Palmer Dabbelt wrote:
> On Thu, 08 Jun 2023 00:55:22 PDT (-0700), r...@rivosinc.com wrote:
> > This patch adds the new syscall for the
> > "RISC-V Hardware Probing Interface"
> > (https://docs.kernel.org/riscv/hwprobe.html).
>
This patch adds the new syscall for the
"RISC-V Hardware Probing Interface"
(https://docs.kernel.org/riscv/hwprobe.html).
Reviewed-by: Palmer Dabbelt
Signed-off-by: Robbin Ehn
---
v1->v2: Moved to syscall.c
v2->v3: Separate function, get/put user
v3->patch
---
linux-user/r
This patch adds the new syscall for the
"RISC-V Hardware Probing Interface"
(https://docs.kernel.org/riscv/hwprobe.html).
Signed-off-by: Robbin Ehn
---
linux-headers/asm-riscv/unistd.h | 9 +++
linux-user/riscv/cpu_loop.c | 119 ++-
linux-
On Thu, 2023-06-01 at 08:15 -0700, Richard Henderson wrote:
> On 6/1/23 05:27, Robbin Ehn wrote:
> > This patch adds the new syscall for the
> > "RISC-V Hardware Probing Interface"
> > (https://docs.kernel.org/riscv/hwprobe.html).
> >
> > Signed-off-by:
This patch adds the new syscall for the
"RISC-V Hardware Probing Interface"
(https://docs.kernel.org/riscv/hwprobe.html).
Signed-off-by: Robbin Ehn
---
v1->v2: Moved to syscall.c
---
linux-user/riscv/syscall32_nr.h | 1 +
linux-user/riscv/syscall64_nr.h | 1 +
linux-u
On Fri, 2023-06-02 at 16:02 +0200, Andrew Jones wrote:
> On Fri, Jun 02, 2023 at 11:41:11AM +0200, Robbin Ehn wrote:
> > This patch adds the new syscall for the
> > "RISC-V Hardware Probing Interface"
> > (https://docs.kernel.org/riscv/hwprobe.html).
>
On Fri, 2023-06-02 at 19:57 -0700, Richard Henderson wrote:
>
> > +case RISCV_HWPROBE_KEY_CPUPERF_0:
> > +pair->value = RISCV_HWPROBE_MISALIGNED_UNKNOWN;
>
> Is that really what you want to expose here? FAST is always going to be
> true, in that
> handling the unaligned ac
On Fri, 2023-06-02 at 20:00 -0700, Richard Henderson wrote:
> On 6/2/23 08:07, Andrew Jones wrote:
> > On Fri, Jun 02, 2023 at 04:39:20PM +0200, Robbin Ehn wrote:
> > > On Fri, 2023-06-02 at 16:02 +0200, Andrew Jones wrote:
> > > > On Fri, Jun 02, 2023 at 11:4
This patch adds the new syscall for the
"RISC-V Hardware Probing Interface"
(https://docs.kernel.org/riscv/hwprobe.html).
Signed-off-by: Robbin Ehn
---
v1->v2: Moved to syscall.c
v2->v3: Separate function, get/put user
---
linux-user/riscv/syscall32_nr.h | 1 +
linux-user/risc
Commit f4e1168198 (linux-user: Split out host_sig{segv,bus}_handler)
introduced a bug, when returning from host_sigbus_handler the PC is
never set. Thus cpu_loop_exit_restore is called with a zero PC and
we immediate get a SIGSEGV.
Signed-off-by: Robbin Ehn
---
linux-user/signal.c | 5 +++--
1
he PC is
>
> So we should probably have a
>
> Fixes: f4e1168198 ("linux-user: Split out host_sig{segv,bus}_handler")
You are correct.
>
> > never set. Thus cpu_loop_exit_restore is called with a zero PC and
> > we immediate get a SIGSEGV.
> >
> &
This patch adds the new extensions in
linux 6.5 to the hwprobe syscall.
And fixes RVC check to OR with correct value.
The previous variable contains 0 therefore it
did work.
Signed-off-by: Robbin Ehn
---
linux-user/syscall.c | 14 +-
1 file changed, 13 insertions(+), 1 deletion
tion state (plugin_tb is reused between blocks) */
> +tcg_ctx->plugin_db = NULL;
> +tcg_ctx->plugin_insn = NULL;
> }
> --
> 2.39.5
>
>
Thanks!
Tested-by: Robbin Ehn
Schwab
>
> Richard sent a v2 that I have applied:
>
> https://patchew.org/QEMU/20250308225902.1208237-3-richard.hender...@linaro.org/
Hey, thanks for fixing!
Acked-by: Robbin Ehn
>
> Alistair
>
> > ---
> > linux-user/syscall.c | 8
> > 1 fi
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