linux-kernel - Re: [PATCH v2] x86/mm/fault.c: Convert to use vm_fault

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Date:   Wed, 9 Jan 2019 10:42:11 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Souptick Joarder <jrdr.linux@...il.com>
Cc:     dave.hansen@...ux.intel.com, luto@...nel.org, peterz@...radead.org,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        x86@...nel.org, linux-kernel@...r.kernel.org, willy@...radead.org
Subject: Re: [PATCH v2] x86/mm/fault.c: Convert to use vm_fault_t

On Thu, 10 Jan 2019 00:07:42 +0530 Souptick Joarder <jrdr.linux@...il.com> wrote:

> Convert to use vm_fault_t type for last argument of do_sigbus().
> 
> kbuild reported a warning during testing of final vm_fault_t patch
> integrated in mm tree.

Please be more specific when identifying patches.

> [auto build test WARNING on linus/master]
> [also build test WARNING on v5.0-rc1 next-20190109]
> [if your patch is applied to the wrong git tree, please drop us a note
> to help improve the system]
> 
> https://github.com/0day-ci/linux/commits/Souptick-Joarder/
> mm-Create-the-new-vm_fault_t-type/20190109-154216
> 
> All warnings:
> 
> arch/x86/mm/fault.c:1051:39: warning: restricted vm_fault_t degrades to integer
> arch/x86/mm/fault.c:1057:29: warning: restricted vm_fault_t degrades to integer
> arch/x86/mm/fault.c:1059:29: warning: restricted vm_fault_t degrades to integer
> arch/x86/mm/fault.c:1094:62: warning: incorrect type in argument 4 (different base types)
> arch/x86/mm/fault.c:1094:62:    expected unsigned int fault
> arch/x86/mm/fault.c:1094:62:    got restricted vm_fault_t [usertype] fault
> 
> This patch has fixed the warnings.
> 

I'll be folding this into "mm: Create the new vm_fault_t type".