linux-kernel - Re: [PATCH 1/1] x86/mm: Use proper mask when setting PUD mapping

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Message-ID: <Yv81dihastDVE3Po@kroah.com>
Date:   Fri, 19 Aug 2022 09:02:14 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Aaron Lu <aaron.lu@...el.com>
Cc:     security@...nel.org, lkml <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Logan Gunthorpe <logang@...tatee.com>
Subject: Re: [PATCH 1/1] x86/mm: Use proper mask when setting PUD mapping

On Fri, Aug 19, 2022 at 10:30:01AM +0800, Aaron Lu wrote:
> commit c164fbb40c43f("x86/mm: thread pgprot_t through
> init_memory_mapping()") mistakenly used __pgprot() which doesn't
> respect __default_kernel_pte_mask when setting PUD mapping, fix it
> by using __pgprot_mask().
> 
> Fixes: c164fbb40c43f("x86/mm: thread pgprot_t through init_memory_mapping()")

Nit, you need a space before the '(' character or the linux-next scripts
will complain :(

Also, you cc:ed security@k.o and lkml.  As this is public, no need to
copy security@k.o at all.

thanks,

greg k-h