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SubjectRe: [PATCH] staging: ram_console: Fix section mismatches
On Thu, Mar 08, 2012 at 10:12:07AM -0800, Stephen Boyd wrote:
> On 03/08/12 09:56, Greg KH wrote:
> > On Thu, Mar 08, 2012 at 01:08:04AM -0800, Stephen Boyd wrote:
> >> WARNING: vmlinux.o(.text+0x25d5fc): Section mismatch in reference
> >> from the function ram_console_driver_probe() to the function
> >> .init.text:ram_console_init()
> >> The function ram_console_driver_probe() references
> >> the function __init ram_console_init().
> >> This is often because ram_console_driver_probe lacks a __init
> >> annotation or the annotation of ram_console_init is wrong.
> >>
> >> Mark ram_console_driver_probe() as __devinit because it's a probe
> >> function and propagate the __devinit markings to the __init
> >> functions the probe calls.
> > What .config configuration causes this to happen? I don't see this here
> > in my builds, what am I doing wrong?
> >
>
> #
> # Android
> #
> CONFIG_ANDROID=y
> # CONFIG_ANDROID_BINDER_IPC is not set
> # CONFIG_ASHMEM is not set
> # CONFIG_ANDROID_LOGGER is not set
> CONFIG_ANDROID_RAM_CONSOLE=y
> # CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION is not set
> # CONFIG_ANDROID_TIMED_OUTPUT is not set
> # CONFIG_ANDROID_LOW_MEMORY_KILLER is not set
> # CONFIG_ANDROID_SWITCH is not set
> # CONFIG_PHONE is not set
>
>
> Perhaps you're missing this patch if you're on an ARM compiler?
>
> 6e2e340 (ARM: 7324/1: modpost: Fix section warnings for ARM for many
> compilers, 2012-02-14)

Nope, I'm building this on x86-64 which warns on this type of thing all
the time.

My .config looks like this:

#
# Android
#
CONFIG_ANDROID=y
CONFIG_ANDROID_BINDER_IPC=y
CONFIG_ASHMEM=y
CONFIG_ANDROID_LOGGER=m
CONFIG_ANDROID_PERSISTENT_RAM=y
CONFIG_ANDROID_RAM_CONSOLE=y
CONFIG_ANDROID_TIMED_OUTPUT=y
# CONFIG_ANDROID_TIMED_GPIO is not set
CONFIG_ANDROID_LOW_MEMORY_KILLER=y
CONFIG_ANDROID_SWITCH=m
CONFIG_ANDROID_SWITCH_GPIO=m
CONFIG_ANDROID_INTF_ALARM=y
CONFIG_ANDROID_INTF_ALARM_DEV=y
CONFIG_ANDROID_ALARM_OLDDRV_COMPAT=y

And I can't duplicate this at all. Could the recent fixes that John
sent me be the reason? Or something else?

thanks,

greg k-h


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