Re: [linux-next:master 14191/14955] vmlinux.o: error: objtool: amdgpu_vm_handle_fault+0x186: sibling call from callable instruction with modified stack frame

[Peter Zijlstra]

On Wed, Jun 24, 2026 at 01:16:11PM +0200, Peter Zijlstra wrote:

> @@ -121,7 +110,8 @@ _label:									 \
>   * guaranteed that no GEM object is locked.
>   */
>  #define drm_exec_until_all_locked(exec)					\
> -	__drm_exec_until_all_locked(exec, __UNIQUE_ID(drm_exec))
> +	__drm_exec_retry: __maybe_unused;				\
> +	for (bool __drm_exec_loop __maybe_unused = true; drm_exec_cleanup(exec);)

An alternative would be something like:

	while (drm_exec_cleanup()) 				\
		if (0) {					\
		__drm_exec_retry: __maybe_unused;		\
			continue;				\
		} else

But that still breaks the multi case.