From: Rik van Riel <riel@surriel.com>
To: linux-kernel@vger.kernel.org
Cc: kernel-team@meta.com, dave.hansen@linux.intel.com,
luto@kernel.org, peterz@infradead.org, bp@alien8.de,
x86@kernel.org, nadav.amit@gmail.com, seanjc@google.com,
tglx@linutronix.de, Rik van Riel <riel@fb.com>,
Rik van Riel <riel@surriel.com>
Subject: [RFC PATCH v3 2/7] x86/mm: enable BROADCAST_TLB_FLUSH on Intel, too
Date: Thu, 5 Jun 2025 12:35:11 -0400 [thread overview]
Message-ID: <20250605163544.3852565-3-riel@surriel.com> (raw)
In-Reply-To: <20250605163544.3852565-1-riel@surriel.com>
From: Rik van Riel <riel@fb.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@surriel.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
--
2.49.0
next prev parent reply other threads:[~2025-06-05 16:35 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-05 16:35 [RFC PATCH v3 0/7] Intel RAR TLB invalidation Rik van Riel
2025-06-05 16:35 ` [RFC PATCH v3 1/7] x86/mm: Introduce Remote Action Request MSRs Rik van Riel
2025-06-05 16:35 ` Rik van Riel [this message]
2025-06-05 16:35 ` [RFC PATCH v3 3/7] x86/mm: Introduce X86_FEATURE_RAR Rik van Riel
2025-06-05 16:35 ` [RFC PATCH v3 4/7] x86/apic: Introduce Remote Action Request Operations Rik van Riel
2025-06-05 16:35 ` [RFC PATCH v3 5/7] x86/mm: Introduce Remote Action Request Rik van Riel
2025-06-05 18:54 ` Nadav Amit
2025-06-05 19:40 ` Rik van Riel
2025-06-05 22:45 ` Nadav Amit
2025-06-06 0:03 ` Rik van Riel
2025-06-06 19:58 ` Nadav Amit
2025-06-05 16:35 ` [RFC PATCH v3 6/7] x86/mm: use RAR for kernel TLB flushes Rik van Riel
2025-06-05 16:35 ` [RFC PATCH v3 7/7] x86/mm: userspace & pageout flushing using Intel RAR Rik van Riel
2025-06-05 16:50 ` [RFC PATCH v3 0/7] Intel RAR TLB invalidation Sean Christopherson
2025-06-05 16:58 ` Dave Hansen
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