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From: Andi Kleen <ak@linux.intel.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>,
	Andy Lutomirski <luto@amacapital.net>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	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>,
	Dave Hansen <dave.hansen@intel.com>,
	linux-arch@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/8] x86/boot/64: Add support of additional page table level during early boot
Date: Tue, 11 Apr 2017 07:09:07 -0700	[thread overview]
Message-ID: <20170411140907.GD4021@tassilo.jf.intel.com> (raw)
In-Reply-To: <20170411114616.otx2f6aw5lcvfc2o@black.fi.intel.com>

> I'll look closer (building proccess it's rather complicated), but my
> understanding is that VDSO is stand-alone binary and doesn't really links
> with the rest of the kernel, rather included as blob, no?
> 
> Andy, may be you have an idea?

There isn't any way I know of to directly link them together. The ELF 
format wasn't designed for that. You would need to merge blobs and then use
manual jump vectors, like the 16bit startup code does. It would be likely
complicated and ugly.

-Andi

  parent reply	other threads:[~2017-04-11 14:09 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-06 14:00 [PATCH 0/8] x86: 5-level paging enabling for v4.12, Part 4 Kirill A. Shutemov
2017-04-06 14:00 ` Kirill A. Shutemov
2017-04-06 14:00 ` [PATCH 1/8] x86/boot/64: Rewrite startup_64 in C Kirill A. Shutemov
2017-04-06 14:00   ` Kirill A. Shutemov
2017-04-06 14:01 ` [PATCH 2/8] x86/boot/64: Rename init_level4_pgt and early_level4_pgt Kirill A. Shutemov
2017-04-06 14:01 ` [PATCH 3/8] x86/boot/64: Add support of additional page table level during early boot Kirill A. Shutemov
2017-04-06 14:01   ` Kirill A. Shutemov
2017-04-11  7:02   ` Ingo Molnar
2017-04-11  7:02     ` Ingo Molnar
2017-04-11 10:51     ` Kirill A. Shutemov
2017-04-11 10:51       ` Kirill A. Shutemov
2017-04-11 11:28       ` Ingo Molnar
2017-04-11 11:28         ` Ingo Molnar
2017-04-11 11:46         ` Kirill A. Shutemov
2017-04-11 11:46           ` Kirill A. Shutemov
2017-04-11 14:09           ` Andi Kleen [this message]
2017-04-12 10:18             ` Kirill A. Shutemov
2017-04-17 10:32               ` Ingo Molnar
2017-04-17 10:32                 ` Ingo Molnar
2017-04-18  8:59                 ` Kirill A. Shutemov
2017-04-18  8:59                   ` Kirill A. Shutemov
2017-04-18 10:15                   ` Kirill A. Shutemov
2017-04-18 11:10                     ` Kirill A. Shutemov
2017-04-18 11:10                       ` Kirill A. Shutemov
2017-04-06 14:01 ` [PATCH 4/8] x86/mm: Add sync_global_pgds() for configuration with 5-level paging Kirill A. Shutemov
2017-04-06 14:01   ` Kirill A. Shutemov
2017-04-06 14:01 ` [PATCH 5/8] x86/mm: Make kernel_physical_mapping_init() support " Kirill A. Shutemov
2017-04-06 14:01   ` Kirill A. Shutemov
2017-04-06 14:01 ` [PATCH 6/8] x86/mm: Add support for 5-level paging for KASLR Kirill A. Shutemov
2017-04-06 14:01   ` Kirill A. Shutemov
2017-04-06 14:01 ` [PATCH 7/8] x86: Enable 5-level paging support Kirill A. Shutemov
2017-04-06 14:01   ` Kirill A. Shutemov
2017-04-06 14:52   ` Juergen Gross
2017-04-06 15:24     ` Kirill A. Shutemov
2017-04-06 15:56       ` Juergen Gross
2017-04-06 14:01 ` [PATCH 8/8] x86/mm: Allow to have userspace mappings above 47-bits Kirill A. Shutemov
2017-04-06 14:01   ` Kirill A. Shutemov
2017-04-06 18:43   ` Dmitry Safonov
2017-04-06 19:15     ` Dmitry Safonov
2017-04-06 23:21       ` Kirill A. Shutemov
2017-04-06 23:24         ` [PATCHv2 " Kirill A. Shutemov
2017-04-06 23:24           ` Kirill A. Shutemov
2017-04-07 11:32           ` Dmitry Safonov
2017-04-07 15:44             ` [PATCHv3 " Kirill A. Shutemov
2017-04-07 16:37               ` Dmitry Safonov
2017-04-13 11:30             ` [PATCHv4 0/9] x86: 5-level paging enabling for v4.12, Part 4 Kirill A. Shutemov
2017-04-13 11:30               ` Kirill A. Shutemov
2017-04-13 11:30               ` [PATCHv4 1/9] x86/asm: Fix comment in return_from_SYSCALL_64 Kirill A. Shutemov
2017-04-13 11:30                 ` Kirill A. Shutemov
2017-04-13 11:30               ` [PATCHv4 2/9] x86/boot/64: Rewrite startup_64 in C Kirill A. Shutemov
2017-04-13 11:30                 ` Kirill A. Shutemov
2017-04-13 11:30               ` [PATCHv4 3/9] x86/boot/64: Rename init_level4_pgt and early_level4_pgt Kirill A. Shutemov
2017-04-13 11:30                 ` Kirill A. Shutemov
2017-04-13 11:30               ` [PATCHv4 4/9] x86/boot/64: Add support of additional page table level during early boot Kirill A. Shutemov
2017-04-13 11:30                 ` Kirill A. Shutemov
2017-04-13 11:30               ` [PATCHv4 5/9] x86/mm: Add sync_global_pgds() for configuration with 5-level paging Kirill A. Shutemov
2017-04-13 11:30                 ` Kirill A. Shutemov
2017-04-13 11:30               ` [PATCHv4 6/9] x86/mm: Make kernel_physical_mapping_init() support " Kirill A. Shutemov
2017-04-13 11:30                 ` Kirill A. Shutemov
2017-04-13 11:30               ` [PATCHv4 7/9] x86/mm: Add support for 5-level paging for KASLR Kirill A. Shutemov
2017-04-13 11:30                 ` Kirill A. Shutemov
2017-04-13 11:30               ` [PATCHv4 8/9] x86: Enable 5-level paging support Kirill A. Shutemov
2017-04-13 11:30                 ` Kirill A. Shutemov
2017-04-13 11:30               ` [PATCHv4 9/9] x86/mm: Allow to have userspace mappings above 47-bits Kirill A. Shutemov
2017-04-13 11:30                 ` Kirill A. Shutemov
2017-04-07 10:06         ` [PATCH 8/8] " Dmitry Safonov
2017-04-07 13:35   ` Anshuman Khandual
2017-04-07 13:35     ` Anshuman Khandual
2017-04-07 15:59     ` Kirill A. Shutemov
2017-04-07 15:59       ` Kirill A. Shutemov
2017-04-07 16:09       ` hpa
2017-04-07 16:09         ` hpa
2017-04-07 16:20         ` Kirill A. Shutemov
2017-04-12 10:41       ` Michael Ellerman
2017-04-12 11:11         ` Kirill A. Shutemov
2017-04-12 11:11           ` Kirill A. Shutemov

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