Re: [PATCH] linux-user/riscv: Add Zicboz block size to hwprobe

[Alistair Francis]

On Sat, Nov 11, 2023 at 3:52 AM Palmer Dabbelt  wrote:
>
> Support for probing the Zicboz block size landed in Linux 6.6, which was
> released a few weeks ago.  This provides the user-configured block size
> when Zicboz is enabled.
>
> Signed-off-by: Palmer Dabbelt 

Thanks!

Applied to riscv-to-apply.next

Alistair

> ---
>  linux-user/syscall.c | 6 ++
>  1 file changed, 6 insertions(+)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 65ac3ac796..7caacf43d6 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -8808,6 +8808,8 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, 
> abi_long count)
>  #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0)
>  #define RISCV_HWPROBE_MISALIGNED_MASK(7 << 0)
>
> +#define RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE 6
> +
>  struct riscv_hwprobe {
>  abi_llong  key;
>  abi_ullong value;
> @@ -8860,6 +8862,10 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env,
>  case RISCV_HWPROBE_KEY_CPUPERF_0:
>  __put_user(RISCV_HWPROBE_MISALIGNED_FAST, >value);
>  break;
> +case RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE:
> +value = cfg->ext_zicboz ? cfg->cboz_blocksize : 0;
> +__put_user(value, >value);
> +break;
>  default:
>  __put_user(-1, >key);
>  break;
> --
> 2.42.1
>
>

Re: [PATCH] linux-user/riscv: Add Zicboz block size to hwprobe

[Alistair Francis]

On Sat, Nov 11, 2023 at 3:52 AM Palmer Dabbelt  wrote:
>
> Support for probing the Zicboz block size landed in Linux 6.6, which was
> released a few weeks ago.  This provides the user-configured block size
> when Zicboz is enabled.
>
> Signed-off-by: Palmer Dabbelt 

Reviewed-by: Alistair Francis 

Alistair

> ---
>  linux-user/syscall.c | 6 ++
>  1 file changed, 6 insertions(+)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 65ac3ac796..7caacf43d6 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -8808,6 +8808,8 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, 
> abi_long count)
>  #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0)
>  #define RISCV_HWPROBE_MISALIGNED_MASK(7 << 0)
>
> +#define RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE 6
> +
>  struct riscv_hwprobe {
>  abi_llong  key;
>  abi_ullong value;
> @@ -8860,6 +8862,10 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env,
>  case RISCV_HWPROBE_KEY_CPUPERF_0:
>  __put_user(RISCV_HWPROBE_MISALIGNED_FAST, >value);
>  break;
> +case RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE:
> +value = cfg->ext_zicboz ? cfg->cboz_blocksize : 0;
> +__put_user(value, >value);
> +break;
>  default:
>  __put_user(-1, >key);
>  break;
> --
> 2.42.1
>
>

Re: [PATCH] linux-user/riscv: Add Zicboz block size to hwprobe

[Daniel Henrique Barboza]

On 11/10/23 14:37, Palmer Dabbelt wrote:

Support for probing the Zicboz block size landed in Linux 6.6, which was
released a few weeks ago.  This provides the user-configured block size
when Zicboz is enabled.

Signed-off-by: Palmer Dabbelt 
---


Reviewed-by: Daniel Henrique Barboza 



  linux-user/syscall.c | 6 ++
  1 file changed, 6 insertions(+)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 65ac3ac796..7caacf43d6 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8808,6 +8808,8 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, 
abi_long count)
  #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0)
  #define RISCV_HWPROBE_MISALIGNED_MASK(7 << 0)
  
+#define RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE 6

+
  struct riscv_hwprobe {
  abi_llong  key;
  abi_ullong value;
@@ -8860,6 +8862,10 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env,
  case RISCV_HWPROBE_KEY_CPUPERF_0:
  __put_user(RISCV_HWPROBE_MISALIGNED_FAST, >value);
  break;
+case RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE:
+value = cfg->ext_zicboz ? cfg->cboz_blocksize : 0;
+__put_user(value, >value);
+break;
  default:
  __put_user(-1, >key);
  break;