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From: Michael Ellerman <mpe@ellerman.id.au>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: linuxppc-dev@ozlabs.org, linux-mm@kvack.org,
	erhard_f@mailbox.org, jack@suse.cz,
	aneesh.kumar@linux.vnet.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] powerpc/64s: Fix possible corruption on big endian due to pgd/pud_present()
Date: Sun, 17 Feb 2019 19:26:29 +1100	[thread overview]
Message-ID: <87h8d2ddmy.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <87pnrran89.fsf@igel.home>

Andreas Schwab <schwab@linux-m68k.org> writes:

> On Feb 14 2019, Michael Ellerman <mpe@ellerman.id.au> wrote:
>
>> The fix is simple, we need to convert the result of the bitwise && to
>> an int before returning it.
>
> Alternatively, the return type could be changed to bool, so that the
> compiler does the right thing by itself.

Yes that would be preferable. All other architectures return an int so
I wasn't game to switch to bool for a fix. But I don't see why it should
matter so I'll do a patch using bool for next.

cheers


  reply	other threads:[~2019-02-17  8:26 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-14  6:23 Michael Ellerman
2019-02-14 16:31 ` Jan Kara
2019-02-16 10:55 ` Balbir Singh
2019-02-16 14:22   ` Segher Boessenkool
2019-02-17  6:23     ` Balbir Singh
2019-02-17  8:34       ` Michael Ellerman
2019-02-17 21:55         ` Balbir Singh
2019-02-18  0:49           ` Michael Ellerman
2019-02-19 12:01             ` Balbir Singh
2019-02-19 20:15             ` Segher Boessenkool
2019-02-20 11:18               ` Michael Ellerman
2019-02-20 14:51                 ` Segher Boessenkool
2019-02-17  8:34     ` Michael Ellerman
2019-02-16 13:15 ` Andreas Schwab
2019-02-17  8:26   ` Michael Ellerman [this message]
2019-02-17  8:21 ` Michael Ellerman

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