[PATCH 2/3] linux-user: Implement PR_{GET,SET}_SPECULATION_CTRL

Richard Henderson posted 3 patches 8 months, 4 weeks ago
Maintainers: Laurent Vivier <laurent@vivier.eu>
[PATCH 2/3] linux-user: Implement PR_{GET,SET}_SPECULATION_CTRL
Posted by Richard Henderson 8 months, 4 weeks ago
Both of these only pass and return integral values.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/syscall.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 263b651cc5..efa200878f 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -6451,6 +6451,8 @@ static abi_long do_prctl(CPUArchState *env, abi_long option, abi_long arg2,
     case PR_GET_IO_FLUSHER:
     case PR_SET_IO_FLUSHER:
     case PR_SET_CHILD_SUBREAPER:
+    case PR_GET_SPECULATION_CTRL:
+    case PR_SET_SPECULATION_CTRL:
         /* Some prctl options have no pointer arguments and we can pass on. */
         return get_errno(prctl(option, arg2, arg3, arg4, arg5));
 
@@ -6465,8 +6467,6 @@ static abi_long do_prctl(CPUArchState *env, abi_long option, abi_long arg2,
             return ret;
         }
 
-    case PR_GET_SPECULATION_CTRL:
-    case PR_SET_SPECULATION_CTRL:
     case PR_GET_TID_ADDRESS:
         /* TODO */
         return -TARGET_EINVAL;
-- 
2.34.1
Re: [PATCH 2/3] linux-user: Implement PR_{GET,SET}_SPECULATION_CTRL
Posted by Peter Maydell 8 months, 3 weeks ago
On Sat, 2 Mar 2024 at 04:14, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Both of these only pass and return integral values.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  linux-user/syscall.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM