Merge branch 'sparc64-non-resumable-user-error-recovery'

Liam R. Howlett says:

====================
sparc64: Recover from userspace non-resumable PIO & MEM errors

A non-resumable error from userspace is able to cause a kernel panic or trap
loop due to the setup and handling of the queued traps once in the kernel.
This patch series addresses both of these issues.

The queues are fixed by simply zeroing the memory before use.

PIO errors from userspace will result in a SIGBUS being sent to the user
process.

The MEM errors form userspace will result in a SIGKILL and also cause the
offending pages to be claimed so they are no longer used in future tasks.
SIGKILL is used to ensure that the process does not try to coredump and result
in an attempt to read the memory again from within kernel space.  Although
there is a HV call to scrub the memory (mem_scrub), there is no easy way to
guarantee that the real memory address(es) are not used by other tasks.
Clearing the error with mem_scrub would zero the memory and cause the other
processes to proceed with bad data.

The handling of other non-resumable errors remain unchanged and will cause a
panic.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

path: root/sound/soc/samsung/s3c2412-i2s.h

/* sound/soc/samsung/s3c2412-i2s.c
 *
 * ALSA Soc Audio Layer - S3C2412 I2S driver
 *
 * Copyright (c) 2007 Simtec Electronics
 *	http://armlinux.simtec.co.uk/
 *	Ben Dooks <ben@simtec.co.uk>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
*/

#ifndef __SND_SOC_S3C24XX_S3C2412_I2S_H
#define __SND_SOC_S3C24XX_S3C2412_I2S_H __FILE__

#include "s3c-i2s-v2.h"

#define S3C2412_DIV_BCLK	S3C_I2SV2_DIV_BCLK
#define S3C2412_DIV_RCLK	S3C_I2SV2_DIV_RCLK
#define S3C2412_DIV_PRESCALER	S3C_I2SV2_DIV_PRESCALER

#define S3C2412_CLKSRC_PCLK	S3C_I2SV2_CLKSRC_PCLK
#define S3C2412_CLKSRC_I2SCLK	S3C_I2SV2_CLKSRC_AUDIOBUS

#endif /* __SND_SOC_S3C24XX_S3C2412_I2S_H */