From: rogerq@ti.com (Roger Quadros)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: Do not run dummy_flush_tlb_a15_erratum() on non-Cortex-A15
Date: Tue, 23 Jul 2013 14:13:54 +0300 [thread overview]
Message-ID: <51EE6572.50909@ti.com> (raw)
In-Reply-To: <CAOMZO5Brgj2CzJXqjUfihi-aNxumvamDUGdvZuU94rHMwutCog@mail.gmail.com>
On 07/23/2013 02:02 PM, Fabio Estevam wrote:
> Hi Roger,
>
> On Tue, Jul 23, 2013 at 5:13 AM, Roger Quadros <rogerq@ti.com> wrote:
>
>>> - if (!erratum_a15_798181())
>>> - return;
>>> -
>>
>> Removing this if statement will cause "ipi_flush_tlb_a15_erratum" to be called
>> on non A15 platforms. So I would just keep it to be safe.
>
> I just moved the if statement into the the beginning of
> dummy_flush_tlb_a15_erratum(), so ipi_flush_tlb_a15_erratum will not
> be called on non-A15 systems.
It will be called. Please see the code below after your patch is applied.
static void broadcast_tlb_a15_erratum(void)
{
dummy_flush_tlb_a15_erratum();
smp_call_function(ipi_flush_tlb_a15_erratum, NULL, 1);
}
cheers,
-roger
next prev parent reply other threads:[~2013-07-23 11:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-23 5:19 [PATCH] ARM: Do not run dummy_flush_tlb_a15_erratum() on non-Cortex-A15 Fabio Estevam
2013-07-23 7:04 ` Paul Walmsley
2013-07-23 8:13 ` Roger Quadros
2013-07-23 11:02 ` Fabio Estevam
2013-07-23 11:13 ` Roger Quadros [this message]
2013-07-23 11:07 ` Catalin Marinas
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