From: Ingo Molnar <mingo@kernel.org>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andy Lutomirski <luto@amacapital.net>,
Borislav Petkov <bp@suse.de>, Andi Kleen <ak@linux.intel.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 9/9] x86/mm: Adjust virtual address space layout in early boot
Date: Wed, 14 Feb 2018 13:10:49 +0100 [thread overview]
Message-ID: <20180214121049.z4cjsdwxaaq5gpv5@gmail.com> (raw)
In-Reply-To: <20180214111656.88514-10-kirill.shutemov@linux.intel.com>
* Kirill A. Shutemov <kirill.shutemov@linux.intel.com> wrote:
> We need to adjust virtual address space to support switching between
> paging modes.
>
> The adjustment happens in __startup_64().
>
> We also have to change KASLR code that doesn't expect variable
> VMALLOC_SIZE_TB.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> ---
> arch/x86/boot/compressed/kaslr.c | 14 ++++++++--
> arch/x86/include/asm/page_64_types.h | 9 ++----
> arch/x86/include/asm/pgtable_64_types.h | 25 +++++++++--------
> arch/x86/kernel/head64.c | 49 +++++++++++++++++++++++++++------
> arch/x86/kernel/head_64.S | 2 +-
> arch/x86/mm/dump_pagetables.c | 3 ++
> arch/x86/mm/kaslr.c | 11 ++++----
> 7 files changed, 77 insertions(+), 36 deletions(-)
This is too large and risky - would it be possible to split this up into multiple,
smaller patches?
Thanks,
Ingo
next prev parent reply other threads:[~2018-02-14 12:10 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-14 11:16 [PATCH 0/9] x86/mm: Dynamic memory layout Kirill A. Shutemov
2018-02-14 11:16 ` [PATCH 1/9] x86/mm/64: Make __PHYSICAL_MASK_SHIFT always 52 Kirill A. Shutemov
2018-02-14 13:04 ` [tip:x86/mm] " tip-bot for Kirill A. Shutemov
2018-02-14 11:16 ` [PATCH 2/9] mm/zsmalloc: Prepare to variable MAX_PHYSMEM_BITS Kirill A. Shutemov
2018-02-14 13:04 ` [tip:x86/mm] " tip-bot for Kirill A. Shutemov
2018-02-14 11:16 ` [PATCH 3/9] x86/mm: Make virtual memory layout movable for CONFIG_X86_5LEVEL Kirill A. Shutemov
2018-02-14 13:05 ` [tip:x86/mm] x86/mm: Make virtual memory layout dynamic for CONFIG_X86_5LEVEL=y tip-bot for Kirill A. Shutemov
2018-02-14 11:16 ` [PATCH 4/9] x86: Introduce pgtable_l5_enabled Kirill A. Shutemov
2018-02-14 13:05 ` [tip:x86/mm] x86/mm: Introduce 'pgtable_l5_enabled' tip-bot for Kirill A. Shutemov
2018-02-14 11:16 ` [PATCH 5/9] x86/mm: Make LDT_BASE_ADDR dynamic Kirill A. Shutemov
2018-02-14 13:06 ` [tip:x86/mm] " tip-bot for Kirill A. Shutemov
2018-02-14 13:32 ` [PATCH 5/9] " Kirill A. Shutemov
2018-02-14 11:16 ` [PATCH 6/9] x86/mm: Make PGDIR_SHIFT and PTRS_PER_P4D variable Kirill A. Shutemov
2018-02-14 13:06 ` [tip:x86/mm] " tip-bot for Kirill A. Shutemov
2018-02-14 11:16 ` [PATCH 7/9] x86/mm: Make MAX_PHYSADDR_BITS and MAX_PHYSMEM_BITS dynamic Kirill A. Shutemov
2018-02-14 13:07 ` [tip:x86/mm] " tip-bot for Kirill A. Shutemov
2018-02-14 11:16 ` [PATCH 8/9] x86/mm: Make __VIRTUAL_MASK_SHIFT dynamic Kirill A. Shutemov
2018-02-14 13:07 ` [tip:x86/mm] " tip-bot for Kirill A. Shutemov
2018-02-14 17:22 ` [PATCH 8/9] " Andy Lutomirski
2018-02-14 17:55 ` Kirill A. Shutemov
2018-02-14 18:02 ` Andy Lutomirski
2018-02-14 11:16 ` [PATCH 9/9] x86/mm: Adjust virtual address space layout in early boot Kirill A. Shutemov
2018-02-14 12:10 ` Ingo Molnar [this message]
2018-02-14 12:19 ` Kirill A. Shutemov
2018-02-14 12:26 ` Ingo Molnar
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