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Date: Sun, 18 May 2025 08:25:17 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Rik van Riel <riel@surriel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, linux-kernel@vger.kernel.org, kernel-team@meta.com
Subject: Re: [PATCH v2] x86/mm: resize user_pcid_flush_mask for PTI /
 broadcast TLB flush combination
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References: <20250516123317.70506358@fangorn>
 <aChB9ORFxaL8VfyD@gmail.com>
 <20250517201255.1bc4e61b@fangorn>
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* Rik van Riel <riel@surriel.com> wrote:

> But it is perfectly happy with getting the address of the first long 
> in that array, which works for both array size 1 and array size 32.

Yeah. Testing is still a question: does this boot on a system with PCID 
&& INVLPGB features, with PTI force-enabled ("pti=on" boot option)?

Thanks,

	Ingo