From: Sascha Hauer <s.hauer@pengutronix.de>
To: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 2/6] ARM: mmu: Add VBAR setup
Date: Mon, 4 Jan 2016 10:04:20 +0100 [thread overview]
Message-ID: <20160104090420.GE13058@pengutronix.de> (raw)
In-Reply-To: <1451627918-31967-2-git-send-email-andrew.smirnov@gmail.com>
On Thu, Dec 31, 2015 at 09:58:34PM -0800, Andrey Smirnov wrote:
> Add code to make sure that normal vector exception table, when it is
> used due to unavailability of the high vector table, was not re-mapped
> from 0x0 via VBAR by someone else before us.
>
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> ---
> arch/arm/cpu/mmu.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
> index 784221c..e32523b 100644
> --- a/arch/arm/cpu/mmu.c
> +++ b/arch/arm/cpu/mmu.c
> @@ -302,6 +302,12 @@ static void vectors_init(void)
> * live without being able to catch NULL pointer dereferences
> */
> exc = arm_create_pte(0x0);
> +
> + /*
> + Make sure that vecotrs are not re-mapped from 0x0
> + via VBAR (no-op on non-ARMv7)
> + */
s/vecotrs/vectors/
/*
* Please use this multimline
* comment style.
*/
Sascha
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next prev parent reply other threads:[~2016-01-04 9:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-01 5:58 [PATCH 1/6] ARM: asm: Add convenience fucntions to access VBAR Andrey Smirnov
2016-01-01 5:58 ` [PATCH 2/6] ARM: mmu: Add VBAR setup Andrey Smirnov
2016-01-04 9:04 ` Sascha Hauer [this message]
2016-01-01 5:58 ` [PATCH 3/6] ARM: Fix exception table setup in MMU-less mode Andrey Smirnov
2016-01-04 9:27 ` Sascha Hauer
2016-01-04 17:01 ` Andrey Smirnov
2016-01-05 7:40 ` Sascha Hauer
2016-01-01 5:58 ` [PATCH 4/6] i.MX6: pci: Replace magic number with a named constant Andrey Smirnov
2016-01-07 9:04 ` Lucas Stach
2016-01-08 7:53 ` Sascha Hauer
2016-01-01 5:58 ` [PATCH 5/6] i.MX6: pci: Reconcile imx6_pcie_start_link with the kernel code Andrey Smirnov
2016-01-07 9:08 ` Lucas Stach
2016-01-01 5:58 ` [PATCH 6/6] i.MX6: pci: Avoid aborts when asserting PCIe reset Andrey Smirnov
2016-01-04 9:30 ` Sascha Hauer
2016-01-07 9:13 ` Lucas Stach
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