linux-kernel - [RFC v5 2/8] x86/mm: enable BROADCAST_TLB

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Message-ID: <20251121185530.21876-3-riel@surriel.com>
Date: Fri, 21 Nov 2025 13:54:23 -0500
From: Rik van Riel <riel@...riel.com>
To: linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org,
	x86@...nel.org,
	dave.hansen@...ux.intel.com,
	peterz@...radead.org,
	kernel-team@...a.com,
	bp@...en8.de,
	Rik van Riel <riel@...com>,
	Rik van Riel <riel@...riel.com>
Subject: [RFC v5 2/8] x86/mm: enable BROADCAST_TLB_FLUSH on Intel, too

From: Rik van Riel <riel@...com>

Much of the code for Intel RAR and AMD INVLPGB is shared.

Place both under the same config option.

Signed-off-by: Rik van Riel <riel@...riel.com>
---
 arch/x86/Kconfig.cpu | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index f928cf6e3252..ab763f69f54d 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -360,7 +360,7 @@ menuconfig PROCESSOR_SELECT
 
 config BROADCAST_TLB_FLUSH
 	def_bool y
-	depends on CPU_SUP_AMD && 64BIT
+	depends on (CPU_SUP_AMD || CPU_SUP_INTEL) && 64BIT && SMP
 
 config CPU_SUP_INTEL
 	default y
-- 
2.51.1