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linux-user: Implement PR_{GET,SET}_SPECULATION_CTRL

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Both of these only pass and return integral values.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-03-01 14:56:45 -10:00
parent 07726f522d
commit 91511bd40f
1 changed files with 2 additions and 2 deletions
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4
linux-user/syscall.c
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@ -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;