From: Thomas Gleixner <tglx@linutronix.de>
To: Toshi Kani <toshi.kani@hp.com>
Cc: hpa@zytor.com, mingo@redhat.com, akpm@linux-foundation.org,
bp@alien8.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org,
x86@kernel.org, jgross@suse.com, konrad.wilk@oracle.com,
elliott@hp.com
Subject: Re: [PATCH v3 1/10] x86/vdso32: Define PGTABLE_LEVELS to 32bit VDSO
Date: Thu, 20 Aug 2015 21:46:50 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.11.1508202145540.3873@nanos> (raw)
In-Reply-To: <1438811013-30983-2-git-send-email-toshi.kani@hp.com>
On Wed, 5 Aug 2015, Toshi Kani wrote:
> In case of CONFIG_X86_64, vdso32/vclock_gettime.c fakes a 32bit
> kernel configuration by re-defining it to CONFIG_X86_32. However,
> it does not re-define CONFIG_PGTABLE_LEVELS leaving it as 4 levels.
> Fix it by re-defining CONFIG_PGTABLE_LEVELS to 2 as X86_PAE is not
> set.
You fail to explain WHY this is required. I have not yet spotted any
code in vclock_gettime.c which is affected by this.
Thanks,
tglx
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next prev parent reply other threads:[~2015-08-20 19:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-05 21:43 [PATCH v3 0/10] x86/mm: Handle large PAT bit in pud/pmd interfaces Toshi Kani
2015-08-05 21:43 ` [PATCH v3 1/10] x86/vdso32: Define PGTABLE_LEVELS to 32bit VDSO Toshi Kani
2015-08-20 19:46 ` Thomas Gleixner [this message]
2015-08-20 23:04 ` Toshi Kani
2015-08-24 21:48 ` Toshi Kani
2015-08-05 21:43 ` [PATCH v3 2/10] x86/asm: Move PUD_PAGE macros to page_types.h Toshi Kani
2015-08-05 21:43 ` [PATCH v3 3/10] x86/asm: Fix pud/pmd interfaces to handle large PAT bit Toshi Kani
2015-08-25 8:16 ` Thomas Gleixner
2015-08-25 14:15 ` Toshi Kani
2015-08-05 21:43 ` [PATCH v3 4/10] x86/asm: Add pud_pgprot() and pmd_pgprot() Toshi Kani
2015-08-05 21:43 ` [PATCH v3 5/10] x86/mm: Fix page table dump to show PAT bit Toshi Kani
2015-08-05 21:43 ` [PATCH v3 6/10] x86/mm: Fix slow_virt_to_phys() to handle large " Toshi Kani
2015-08-05 21:43 ` [PATCH v3 7/10] x86/mm: Fix gup_huge_p?d() " Toshi Kani
2015-08-05 21:43 ` [PATCH v3 8/10] x86/mm: Fix try_preserve_large_page() " Toshi Kani
2015-08-05 21:43 ` [PATCH v3 9/10] x86/mm: Fix __split_large_page() " Toshi Kani
2015-08-05 21:43 ` [PATCH v3 10/10] x86/mm: Fix the same pgprot handling in try_preserve_large_page() Toshi Kani
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