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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
Date: Sun, 18 May 2025 08:25:17 +0200	[thread overview]
Message-ID: <aCl9TUnOuWivv6Ze@gmail.com> (raw)
In-Reply-To: <20250517201255.1bc4e61b@fangorn>


* 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

  reply	other threads:[~2025-05-18  6:25 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-16 16:33 [PATCH] x86/mm: resize user_pcid_flush_mask for PTI / broadcast TLB flush combination Rik van Riel
2025-05-17  7:59 ` Ingo Molnar
2025-05-17 21:29   ` Rik van Riel
2025-05-18  0:12   ` [PATCH v2] " Rik van Riel
2025-05-18  6:25     ` Ingo Molnar [this message]
2025-05-18 16:22       ` Rik van Riel
  -- strict thread matches above, loose matches on Subject: below --
2025-05-30 21:41 Rik van Riel
2025-05-31  7:25 ` Ingo Molnar

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