ramoops: Move to fs/pstore/ram.c
Since ramoops was converted to pstore, it has nothing to do with character devices nowadays. Instead, today it is just a RAM backend for pstore. The patch just moves things around. There are a few changes were needed because of the move: 1. Kconfig and Makefiles fixups, of course. 2. In pstore/ram.c we have to play a bit with MODULE_PARAM_PREFIX, this is needed to keep user experience the same as with ramoops driver (i.e. so that ramoops.foo kernel command line arguments would still work). Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org> Acked-by: Marco Stornelli <marco.stornelli@gmail.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -38,7 +38,7 @@ Setting the ramoops parameters can be done in 2 different manners:
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2. Use a platform device and set the platform data. The parameters can then
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be set through that platform data. An example of doing that is:
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#include <linux/ramoops.h>
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#include <linux/pstore_ram.h>
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[...]
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static struct ramoops_platform_data ramoops_data = {
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@ -585,15 +585,6 @@ config DEVPORT
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source "drivers/s390/char/Kconfig"
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config RAMOOPS
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tristate "Log panic/oops to a RAM buffer"
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depends on HAS_IOMEM
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depends on PSTORE
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default n
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help
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This enables panic and oops messages to be logged to a circular
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buffer in RAM where it can be read back at some later point.
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config MSM_SMD_PKT
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bool "Enable device interface for some SMD packet ports"
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default n
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@ -58,7 +58,6 @@ obj-$(CONFIG_HANGCHECK_TIMER) += hangcheck-timer.o
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obj-$(CONFIG_TCG_TPM) += tpm/
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obj-$(CONFIG_PS3_FLASH) += ps3flash.o
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obj-$(CONFIG_RAMOOPS) += ramoops.o
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obj-$(CONFIG_JS_RTC) += js-rtc.o
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js-rtc-y = rtc.o
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@ -11,3 +11,17 @@ config PSTORE
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(e.g. ACPI_APEI on X86) which will select this for you.
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If you don't have a platform persistent store driver,
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say N.
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config PSTORE_RAM
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tristate "Log panic/oops to a RAM buffer"
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depends on HAS_IOMEM
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depends on PSTORE
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default n
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help
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This enables panic and oops messages to be logged to a circular
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buffer in RAM where it can be read back at some later point.
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Note that for historical reasons, the module will be named
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"ramoops.ko".
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For more information, see Documentation/ramoops.txt.
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@ -5,3 +5,6 @@
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obj-y += pstore.o
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pstore-objs += inode.o platform.o
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ramoops-objs += ram.o
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obj-$(CONFIG_PSTORE_RAM) += ramoops.o
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@ -31,7 +31,7 @@
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#include <linux/ioport.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <linux/ramoops.h>
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#include <linux/pstore_ram.h>
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#define RAMOOPS_KERNMSG_HDR "===="
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#define MIN_MEM_SIZE 4096UL
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@ -1,5 +1,5 @@
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#ifndef __RAMOOPS_H
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#define __RAMOOPS_H
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#ifndef __LINUX_PSTORE_RAM_H__
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#define __LINUX_PSTORE_RAM_H__
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/*
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* Ramoops platform data
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