linux-kernel - Re: [PATCH v5 1/6] powerpc: Allow flush_icache

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Message-Id: <47DFyD3Dj2z9sSc@ozlabs.org>
Date:   Thu, 14 Nov 2019 20:08:20 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     "Alastair D'Silva" <alastair@....ibm.com>, alastair@...ilva.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        David Hildenbrand <david@...hat.com>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Paul Mackerras <paulus@...ba.org>,
        Nicholas Piggin <npiggin@...il.com>, Qian Cai <cai@....pw>,
        Thomas Gleixner <tglx@...utronix.de>,
        linuxppc-dev@...ts.ozlabs.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Allison Randal <allison@...utok.net>
Subject: Re: [PATCH v5 1/6] powerpc: Allow flush_icache_range to work across ranges >4GB

On Mon, 2019-11-04 at 02:32:53 UTC, "Alastair D'Silva" wrote:
> From: Alastair D'Silva <alastair@...ilva.org>
> 
> 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.
> 
> Signed-off-by: Alastair D'Silva <alastair@...ilva.org>
> Cc: stable@...r.kernel.org

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/29430fae82073d39b1b881a3cd507416a56a363f

cheers