From: Rik van Riel <riel@surriel.com>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, x86@kernel.org, kernel-team@meta.com,
dave.hansen@linux.intel.com, luto@kernel.org,
peterz@infradead.org, tglx@linutronix.de, mingo@redhat.com,
bp@alien8.de, hpa@zytor.com, Rik van Riel <riel@fb.com>,
Rik van Riel <riel@surriel.com>
Subject: [RFC PATCH 3/9] x86/mm: enable BROADCAST_TLB_FLUSH on Intel, too
Date: Mon, 5 May 2025 20:37:41 -0400 [thread overview]
Message-ID: <20250506003811.92405-4-riel@surriel.com> (raw)
In-Reply-To: <20250506003811.92405-1-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..f9cdd145abba 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
config CPU_SUP_INTEL
default y
--
2.49.0
next prev parent reply other threads:[~2025-05-06 0:38 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-06 0:37 [RFC PATCH 0/9] Intel RAR TLB invalidation Rik van Riel
2025-05-06 0:37 ` [RFC PATCH 1/9] x86/mm: Introduce MSR_IA32_CORE_CAPABILITIES Rik van Riel
2025-05-06 0:37 ` [RFC PATCH 2/9] x86/mm: Introduce Remote Action Request MSRs Rik van Riel
2025-05-06 0:37 ` Rik van Riel [this message]
2025-05-06 0:37 ` [RFC PATCH 4/9] x86/mm: Introduce X86_FEATURE_RAR Rik van Riel
2025-05-06 0:37 ` [RFC PATCH 5/9] x86/mm: Change cpa_flush() to call flush_kernel_range() directly Rik van Riel
2025-05-06 0:37 ` [RFC PATCH 6/9] x86/apic: Introduce Remote Action Request Operations Rik van Riel
2025-05-06 0:37 ` [RFC PATCH 7/9] x86/mm: Introduce Remote Action Request Rik van Riel
2025-05-06 6:59 ` Nadav Amit
2025-05-06 15:16 ` Rik van Riel
2025-05-06 15:27 ` Dave Hansen
2025-05-06 15:50 ` Nadav Amit
2025-05-06 16:00 ` Rik van Riel
2025-05-06 16:31 ` Ingo Molnar
2025-05-06 0:37 ` [RFC PATCH 8/9] x86/mm: use RAR for kernel TLB flushes Rik van Riel
2025-05-06 0:37 ` [RFC PATCH 9/9] x86/mm: userspace & pageout flushing using Intel RAR Rik van Riel
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