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From: <artem.kuzin@huawei.com>
To: <x86@kernel.org>, <tglx@linutronix.de>, <mingo@redhat.com>,
	<bp@alien8.de>, <dave.hansen@linux.intel.com>, <hpa@zytor.com>,
	<luto@kernel.org>, <peterz@infradead.org>,
	<akpm@linux-foundation.org>, <urezki@gmail.com>,
	<hch@infradead.org>, <lstoakes@gmail.com>, <mcgrof@kernel.org>,
	<rmk+kernel@armlinux.org.uk>
Cc: <nikita.panov@huawei-partners.com>,
	<alexander.grubnikov@huawei.com>, <stepanov.anatoly@huawei.com>,
	<guohanjun@huawei.com>, <weiyongjun1@huawei.com>,
	<wangkefeng.wang@huawei.com>, <judy.chenhui@huawei.com>,
	<yusongping@huawei.com>, <kang.sun@huawei.com>,
	<linux-mm@kvack.org>, <linux-modules@vger.kernel.org>
Subject: [PATCH RFC 09/12] x86: add support of NUMA replication for efi page tables
Date: Thu, 28 Dec 2023 21:10:53 +0800	[thread overview]
Message-ID: <20231228131056.602411-10-artem.kuzin@huawei.com> (raw)
In-Reply-To: <20231228131056.602411-1-artem.kuzin@huawei.com>

From: Artem Kuzin <artem.kuzin@huawei.com>

Co-developed-by: Nikita Panov <nikita.panov@huawei-partners.com>
Signed-off-by: Nikita Panov <nikita.panov@huawei-partners.com>
Co-developed-by: Alexander Grubnikov <alexander.grubnikov@huawei.com>
Signed-off-by: Alexander Grubnikov <alexander.grubnikov@huawei.com>
Signed-off-by: Artem Kuzin <artem.kuzin@huawei.com>
---
 arch/x86/platform/efi/efi_64.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 77f7ac3668cb..986d2dddef7a 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -35,6 +35,7 @@
 #include <linux/ucs2_string.h>
 #include <linux/cc_platform.h>
 #include <linux/sched/task.h>
+#include <linux/numa_replication.h>
 
 #include <asm/setup.h>
 #include <asm/page.h>
@@ -71,6 +72,9 @@ int __init efi_alloc_page_tables(void)
 	p4d_t *p4d;
 	pud_t *pud;
 	gfp_t gfp_mask;
+#ifdef CONFIG_KERNEL_REPLICATION
+	int nid;
+#endif
 
 	gfp_mask = GFP_KERNEL | __GFP_ZERO;
 	efi_pgd = (pgd_t *)__get_free_pages(gfp_mask, PGD_ALLOCATION_ORDER);
@@ -86,7 +90,12 @@ int __init efi_alloc_page_tables(void)
 	if (!pud)
 		goto free_p4d;
 
+#ifdef CONFIG_KERNEL_REPLICATION
+	for_each_online_node(nid)
+		per_numa_pgd(&efi_mm, nid) = efi_pgd;
+#else
 	efi_mm.pgd = efi_pgd;
+#endif
 	mm_init_cpumask(&efi_mm);
 	init_new_context(NULL, &efi_mm);
 
-- 
2.34.1


  parent reply	other threads:[~2023-12-28 13:12 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-28 13:10 [PATCH RFC 00/12] x86 NUMA-aware kernel replication artem.kuzin
2023-12-28 13:10 ` [PATCH RFC 01/12] mm: allow per-NUMA node local PUD/PMD allocation artem.kuzin
2023-12-28 13:10 ` [PATCH RFC 02/12] mm: add config option and per-NUMA node VMS support artem.kuzin
2024-01-03 19:43   ` Christoph Lameter (Ampere)
2024-01-09 16:57     ` Artem Kuzin
2024-01-25 15:07       ` Dave Hansen
2024-01-29  6:22         ` Artem Kuzin
2024-01-30 23:36           ` Dave Hansen
2023-12-28 13:10 ` [PATCH RFC 03/12] mm: per-NUMA node replication core infrastructure artem.kuzin
2023-12-28 13:10 ` [PATCH RFC 04/12] x86: add support of memory protection for NUMA replicas artem.kuzin
2024-01-09  6:46   ` Garg, Shivank
2024-01-09 15:53     ` a00561249@china.huawei.com
2024-01-10  6:19       ` Garg, Shivank
2023-12-28 13:10 ` [PATCH RFC 05/12] x86: enable memory protection for replicated memory artem.kuzin
2023-12-28 13:10 ` [PATCH RFC 06/12] x86: align kernel text and rodata using HUGE_PAGE boundary artem.kuzin
2023-12-28 13:10 ` [PATCH RFC 07/12] x86: enable per-NUMA node kernel text and rodata replication artem.kuzin
2023-12-28 13:10 ` [PATCH RFC 08/12] x86: make kernel text patching aware about replicas artem.kuzin
2023-12-28 13:10 ` artem.kuzin [this message]
2023-12-28 13:10 ` [PATCH RFC 10/12] mm: add replicas allocation support for vmalloc artem.kuzin
2023-12-28 13:10 ` [PATCH RFC 11/12] x86: add kernel modules text and rodata replication support artem.kuzin
2023-12-28 13:10 ` [PATCH RFC 12/12] mm: set memory permissions for BPF handlers replicas artem.kuzin
2024-01-10 10:03 ` [PATCH RFC 00/12] x86 NUMA-aware kernel replication Russell King (Oracle)
2024-01-25  4:30 ` Garg, Shivank
2024-01-29  7:51   ` Artem Kuzin

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