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From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>
Cc: Jonathan Corbet <corbet@lwn.net>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Ard Biesheuvel <ardb@kernel.org>,
	Jan Kiszka <jan.kiszka@siemens.com>,
	Kieran Bingham <kbingham@kernel.org>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Michael Roth <michael.roth@amd.com>,
	Rick Edgecombe <rick.p.edgecombe@intel.com>,
	Brijesh Singh <brijesh.singh@amd.com>,
	Sandipan Das <sandipan.das@amd.com>,
	Juergen Gross <jgross@suse.com>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-efi@vger.kernel.org, linux-mm@kvack.org
Subject: [PATCH 0/3] x86: Make 5-level paging support unconditional for x86-64
Date: Fri, 21 Jun 2024 19:44:03 +0300	[thread overview]
Message-ID: <20240621164406.256314-1-kirill.shutemov@linux.intel.com> (raw)

Both Intel and AMD CPUs support 5-level paging, which is expected to
become more widely adopted in the future.

Remove CONFIG_X86_5LEVEL.

In preparation to that remove CONFIG_DYNAMIC_MEMORY_LAYOUT and make
SPARSEMEM_VMEMMAP the only memory model.

Kirill A. Shutemov (3):
  x86/64/mm: Always use dynamic memory layout
  x86/64/mm: Make SPARSEMEM_VMEMMAP the only memory model
  x86/64/mm: Make 5-level paging support unconditional

 Documentation/arch/x86/cpuinfo.rst            |  8 ++---
 .../arch/x86/x86_64/5level-paging.rst         |  9 ------
 arch/x86/Kconfig                              | 32 ++-----------------
 arch/x86/boot/compressed/pgtable_64.c         | 11 ++-----
 arch/x86/boot/header.S                        |  4 ---
 arch/x86/include/asm/disabled-features.h      |  9 +-----
 arch/x86/include/asm/page_64.h                |  2 --
 arch/x86/include/asm/page_64_types.h          | 11 -------
 arch/x86/include/asm/pgtable_64_types.h       | 24 --------------
 arch/x86/kernel/alternative.c                 |  2 +-
 arch/x86/kernel/head64.c                      |  7 ----
 arch/x86/kernel/head_64.S                     |  2 --
 arch/x86/mm/init.c                            |  4 ---
 arch/x86/mm/init_64.c                         |  9 +-----
 arch/x86/mm/pgtable.c                         |  2 --
 drivers/firmware/efi/libstub/x86-5lvl.c       |  2 +-
 scripts/gdb/linux/pgtable.py                  |  4 +--
 .../arch/x86/include/asm/disabled-features.h  |  9 +-----
 18 files changed, 13 insertions(+), 138 deletions(-)

-- 
2.43.0


             reply	other threads:[~2024-06-21 16:44 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-21 16:44 Kirill A. Shutemov [this message]
2024-06-21 16:44 ` [PATCH 1/3] x86/64/mm: Always use dynamic memory layout Kirill A. Shutemov
2024-06-21 16:44 ` [PATCH 2/3] x86/64/mm: Make SPARSEMEM_VMEMMAP the only memory model Kirill A. Shutemov
2024-06-21 16:44 ` [PATCH 3/3] x86/64/mm: Make 5-level paging support unconditional Kirill A. Shutemov
2024-06-25 23:21   ` kernel test robot
2024-06-26 10:26     ` [PATCH] " Kirill A. Shutemov
2024-06-26 10:46       ` Borislav Petkov
2024-06-26 12:00         ` Kirill A. Shutemov
  -- strict thread matches above, loose matches on Subject: below --
2024-07-31  8:57 [PATCH 0/3] x86: Make 5-level paging support unconditional for x86-64 Shivank Garg
2024-07-31  9:15 ` Thomas Gleixner
2024-07-31 11:11   ` Peter Zijlstra
2024-07-31 11:36   ` Kirill A. Shutemov
2024-07-31 11:40     ` Peter Zijlstra
2024-07-31 17:45     ` Shivank Garg
2024-10-31 15:36       ` Dave Hansen

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