Re: [PATCH 1/2] alpha/ptrace: Record and handle the absence of switch_stack

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On Wed, Jun 16, 2021 at 03:57:19PM -0500, Eric W. Biederman wrote:
 
> Do you know if struct switch_stack or pt_regs is ever exposeed to
> usespace?  They are both defined in arch/alpha/include/uapi/asm/ptrace.h
> which makes me think userspace must see those definitions somewhere.

	They are exposed, but why mess with those in the first
place?  thread_info->status is strictly thread-synchronous, so just
use it and be done with that...



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