From: Matt Fleming <matt@codeblueprint.co.uk>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Andi Kleen <ak@linux.intel.com>,
Dave Hansen <dave.hansen@intel.com>,
Andy Lutomirski <luto@amacapital.net>,
linux-arch@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCHv7 05/14] x86/boot/efi: Define __KERNEL32_CS GDT on 64-bit configurations
Date: Thu, 8 Jun 2017 15:18:42 +0100 [thread overview]
Message-ID: <20170608141842.GD3220@codeblueprint.co.uk> (raw)
In-Reply-To: <20170606113133.22974-6-kirill.shutemov@linux.intel.com>
On Tue, 06 Jun, at 02:31:24PM, Kirill A. Shutemov wrote:
> We would need to switch temporarily to compatibility mode during booting
> with 5-level paging enabled. It would require 32-bit code segment
> descriptor.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Cc: Matt Fleming <matt@codeblueprint.co.uk>
> ---
> arch/x86/boot/compressed/eboot.c | 25 +++++++++++++++++++++++--
> 1 file changed, 23 insertions(+), 2 deletions(-)
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
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next prev parent reply other threads:[~2017-06-08 14:18 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-06 11:31 [PATCHv7 00/14] x86: 5-level paging enabling for v4.13, Part 4 Kirill A. Shutemov
2017-06-06 11:31 ` [PATCHv7 01/14] x86/mm/gup: Switch GUP to the generic get_user_page_fast() implementation Kirill A. Shutemov
2017-06-06 11:31 ` [PATCHv7 02/14] x86/asm: Fix comment in return_from_SYSCALL_64 Kirill A. Shutemov
2017-06-06 11:31 ` [PATCHv7 03/14] x86/boot/efi: Cleanup initialization of GDT entries Kirill A. Shutemov
2017-06-08 14:00 ` Matt Fleming
2017-06-06 11:31 ` [PATCHv7 04/14] x86/boot/efi: Fix __KERNEL_CS definition of GDT entry on 64-bit configuration Kirill A. Shutemov
2017-06-08 14:09 ` Matt Fleming
2017-06-06 11:31 ` [PATCHv7 05/14] x86/boot/efi: Define __KERNEL32_CS GDT on 64-bit configurations Kirill A. Shutemov
2017-06-08 14:18 ` Matt Fleming [this message]
2017-06-06 11:31 ` [PATCHv7 06/14] x86/boot/compressed: Enable 5-level paging during decompression stage Kirill A. Shutemov
2017-06-06 11:31 ` [PATCHv7 07/14] x86/boot/64: Rewrite startup_64 in C Kirill A. Shutemov
2017-06-06 11:31 ` [PATCHv7 08/14] x86/boot/64: Rename init_level4_pgt and early_level4_pgt Kirill A. Shutemov
2017-06-06 11:31 ` [PATCHv7 09/14] x86/boot/64: Add support of additional page table level during early boot Kirill A. Shutemov
2017-06-06 11:31 ` [PATCHv7 10/14] x86/mm: Add sync_global_pgds() for configuration with 5-level paging Kirill A. Shutemov
2017-06-06 11:31 ` [PATCHv7 11/14] x86/mm: Make kernel_physical_mapping_init() support " Kirill A. Shutemov
2017-06-06 11:31 ` [PATCHv7 12/14] x86/mm: Add support for 5-level paging for KASLR Kirill A. Shutemov
2017-06-06 11:31 ` [PATCHv7 13/14] x86: Enable 5-level paging support Kirill A. Shutemov
2017-06-22 9:24 ` Ingo Molnar
2017-06-06 11:31 ` [PATCHv7 14/14] x86/mm: Allow to have userspace mappings above 47-bits Kirill A. Shutemov
2017-06-22 8:57 ` [PATCHv7 00/14] x86: 5-level paging enabling for v4.13, Part 4 Kirill A. Shutemov
2017-06-22 9:04 ` Ingo Molnar
2017-06-22 9:07 ` Kirill A. Shutemov
2017-06-22 9:21 ` Ingo Molnar
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