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From: Thomas Gleixner <tglx@linutronix.de>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Hugh Dickins <hughd@google.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 6/7] x86/mm: Mark p4d_offset() __always_inline
Date: Sat, 19 May 2018 10:47:58 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.21.1805191047430.1599@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20180518103528.59260-7-kirill.shutemov@linux.intel.com>
On Fri, 18 May 2018, Kirill A. Shutemov wrote:
> __pgtable_l5_enabled shouldn't be needed after system has booted, we can
> mark it as __initdata, but it requires preparation.
>
> KASAN initialization code is a user of USE_EARLY_PGTABLE_L5, so all
> pgtable_l5_enabled() translated to __pgtable_l5_enabled there, including
> the one in p4d_offset().
>
> It may lead to section mismatch, if a compiler would not inline
> p4d_offset(), but leave it as a standalone function: p4d_offset() is not
> marked as __init.
>
> Marking p4d_offset() as __always_inline fixes the issue.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
next prev parent reply other threads:[~2018-05-19 8:48 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-18 10:35 [PATCHv5 0/7] 5-level paging changes for v4.18 Kirill A. Shutemov
2018-05-18 10:35 ` [PATCH 1/7] x86/boot/compressed/64: Fix trampoline page table address calculation Kirill A. Shutemov
2018-05-19 8:43 ` Thomas Gleixner
2018-05-19 11:33 ` [tip:x86/boot] " tip-bot for Kirill A. Shutemov
2018-05-18 10:35 ` [PATCH 2/7] x86/mm: Unify pgtable_l5_enabled usage in early boot code Kirill A. Shutemov
2018-05-19 8:44 ` Thomas Gleixner
2018-05-19 11:34 ` [tip:x86/boot] " tip-bot for Kirill A. Shutemov
2018-05-18 10:35 ` [PATCH 3/7] x86/mm: Stop pretending pgtable_l5_enabled is a variable Kirill A. Shutemov
2018-05-19 8:45 ` Thomas Gleixner
2018-05-19 11:34 ` [tip:x86/boot] " tip-bot for Kirill A. Shutemov
2018-05-18 10:35 ` [PATCH 4/7] x86/mm: Introduce 'no5lvl' kernel parameter Kirill A. Shutemov
2018-05-19 8:46 ` Thomas Gleixner
2018-05-19 11:35 ` [tip:x86/boot] x86/mm: Introduce the " tip-bot for Kirill A. Shutemov
2018-05-18 10:35 ` [PATCH 5/7] x86/cpu: Move early cpu initialization into a separate translation unit Kirill A. Shutemov
2018-05-19 8:47 ` Thomas Gleixner
2018-06-05 10:19 ` Kirill A. Shutemov
2018-05-18 10:35 ` [PATCH 6/7] x86/mm: Mark p4d_offset() __always_inline Kirill A. Shutemov
2018-05-19 8:47 ` Thomas Gleixner [this message]
2018-05-19 11:35 ` [tip:x86/boot] " tip-bot for Kirill A. Shutemov
2018-05-18 10:35 ` [PATCH 7/7] x86/mm: Mark __pgtable_l5_enabled __initdata Kirill A. Shutemov
2018-05-19 8:48 ` Thomas Gleixner
2018-05-19 11:36 ` [tip:x86/boot] " tip-bot for Kirill A. Shutemov
2018-05-19 8:49 ` [PATCHv5 0/7] 5-level paging changes for v4.18 Thomas Gleixner
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