linux-kernel - Re [PATCH v5 4/5] x86/pkeys: Restore altstack before sigcontext

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Date: Mon, 10 Jun 2024 21:44:46 +0000
From: jeffxu@...omium.org
To: aruna.ramakrishna@...cle.com
Cc: dave.hansen@...ux.intel.com,
	keith.lucas@...cle.com,
	linux-kernel@...r.kernel.org,
	mingo@...nel.org,
	tglx@...utronix.de,
	x86@...nel.org,
	andrew.brownsword@...cle.com,
	matthias.neugschwandtner@...cle.com,
	jeffxu@...omium.org,
	jeffxu@...gle.com,
	jannh@...gle.com,
	keescook@...omium.org,
	sroettger@...gle.com,
	jorgelo@...omium.org,
	rick.p.edgecombe@...el.com
Subject: Re [PATCH v5 4/5] x86/pkeys: Restore altstack before sigcontext

Can we we move this patch to the first of the series? this can be an
independent patch, the problem not only affect PKRU, but also other
scenarios, as Rick pointed out in [1]

[1] https://lore.kernel.org/lkml/d0162c76c25bc8e1c876aebe8e243ff2e6862359.camel@intel.com/

-Jeff