linux-kernel - Re: [PATCH 0/8] [v2] x86/mm: page fault handling cleanups

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Message-ID: <20181002095429.GW3439@hirez.programming.kicks-ass.net>
Date:   Tue, 2 Oct 2018 11:54:29 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Dave Hansen <dave.hansen@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, sean.j.christopherson@...el.com,
        tglx@...utronix.de, luto@...nel.org, jannh@...gle.com,
        x86@...nel.org
Subject: Re: [PATCH 0/8] [v2] x86/mm: page fault handling cleanups

On Fri, Sep 28, 2018 at 09:02:19AM -0700, Dave Hansen wrote:
> Changes from v1:
>  * Take "space_" out of do_kern/user_addr_fault()
>  * Make "bad fault" comment in do_kern_addr_fault() less scary
>  * Add clarifying comment for the conditions under which 
>    do_kern_addr_fault() is called.
>  * Remove mention of hw_error_code in search_exception_tables()
>    comment.
>  * Clarify that the exception tables spell out individual
>    instructions, not larger sections of code.
>  * Use PAGE_MASK in is_vsyscall_vaddr()
>  * Add some additional reasoning behind the code move when
>    moving the vsyscall handling to user address space handler
>  * Remove hard-coded ~0xfff and replace with PAGE_MASK
> 

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>