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Date:   Mon, 4 Nov 2019 13:43:57 -0600
From:   Segher Boessenkool <segher@kernel.crashing.org>
To:     "Alastair D'Silva" <alastair@au1.ibm.com>
Cc:     alastair@d-silva.org,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        David Hildenbrand <david@redhat.com>,
        linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        Paul Mackerras <paulus@samba.org>,
        Nicholas Piggin <npiggin@gmail.com>, Qian Cai <cai@lca.pw>,
        Thomas Gleixner <tglx@linutronix.de>,
        linuxppc-dev@lists.ozlabs.org,
        Andrew Morton <akpm@linux-foundation.org>,
        Allison Randal <allison@lohutok.net>
Subject: Re: [PATCH v5 1/6] powerpc: Allow flush_icache_range to work across ranges >4GB
Message-ID: <20191104194357.GE16031@gate.crashing.org>
References: <20191104023305.9581-1-alastair@au1.ibm.com> <20191104023305.9581-2-alastair@au1.ibm.com>
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On Mon, Nov 04, 2019 at 01:32:53PM +1100, Alastair D'Silva wrote:
> When calling flush_icache_range with a size >4GB, we were masking
> off the upper 32 bits, so we would incorrectly flush a range smaller
> than intended.
> 
> This patch replaces the 32 bit shifts with 64 bit ones, so that
> the full size is accounted for.

Please send this separately, to be committed right now?  It is a bug fix,
independent of the rest of the series.


Segher