From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
paulus@samba.org, mpe@ellerman.id.au
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/mm/hugetlb: Filter out hugepage size not supported by page table layout
Date: Mon, 20 Feb 2017 14:35:46 +1100 [thread overview]
Message-ID: <1487561746.23576.170.camel@kernel.crashing.org> (raw)
In-Reply-To: <fdc5f84d-f337-24e6-e116-e34cf6ff722b@linux.vnet.ibm.com>
On Mon, 2017-02-20 at 09:02 +0530, Aneesh Kumar K.V wrote:
> To avoid crashes like the one reported in the commit message due to
> buggy firmware ?
I don't want Linux to make those assumptions. We should fix the FW.
Think of backward compat for example.
> Also
> It can serve as an easy way to understand what hugepage sizes are
> supported by different platforms.
> I am yet to figure out what the FSL_BOOK3E and PPC_8xx #ifdef above
> that
> hunk is all about. Having
> the supported hugepage size clearly verified against makes it easy ?
>
> -aneesh
next prev parent reply other threads:[~2017-02-20 3:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-19 10:18 [PATCH] powerpc/mm/hugetlb: Filter out hugepage size not supported by page table layout Aneesh Kumar K.V
2017-02-19 21:05 ` Benjamin Herrenschmidt
2017-02-20 3:32 ` Aneesh Kumar K.V
2017-02-20 3:35 ` Benjamin Herrenschmidt [this message]
2017-02-20 5:36 ` Aneesh Kumar K.V
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