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author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-11-16 11:06:22 -0800 |
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committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-11-16 11:06:22 -0800 |
commit | 20b4755e4fbb226eb42951bd40b53fcbce9ef944 (patch) | |
tree | 43da70e0b32ee423d3643ecd422821383411ab72 /include/linux/init.h | |
parent | xen: fix header export to userspace (diff) | |
parent | Linux 2.6.37-rc2 (diff) | |
download | linux-dev-20b4755e4fbb226eb42951bd40b53fcbce9ef944.tar.xz linux-dev-20b4755e4fbb226eb42951bd40b53fcbce9ef944.zip |
Merge commit 'v2.6.37-rc2' into upstream/xenfs
* commit 'v2.6.37-rc2': (10093 commits)
Linux 2.6.37-rc2
capabilities/syslog: open code cap_syslog logic to fix build failure
i2c: Sanity checks on adapter registration
i2c: Mark i2c_adapter.id as deprecated
i2c: Drivers shouldn't include <linux/i2c-id.h>
i2c: Delete unused adapter IDs
i2c: Remove obsolete cleanup for clientdata
include/linux/kernel.h: Move logging bits to include/linux/printk.h
Fix gcc 4.5.1 miscompiling drivers/char/i8k.c (again)
hwmon: (w83795) Check for BEEP pin availability
hwmon: (w83795) Clear intrusion alarm immediately
hwmon: (w83795) Read the intrusion state properly
hwmon: (w83795) Print the actual temperature channels as sources
hwmon: (w83795) List all usable temperature sources
hwmon: (w83795) Expose fan control method
hwmon: (w83795) Fix fan control mode attributes
hwmon: (lm95241) Check validity of input values
hwmon: Change mail address of Hans J. Koch
PCI: sysfs: fix printk warnings
GFS2: Fix inode deallocation race
...
Diffstat (limited to 'include/linux/init.h')
-rw-r--r-- | include/linux/init.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/include/linux/init.h b/include/linux/init.h index de994304e0bb..577671c55153 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -46,16 +46,23 @@ #define __exitdata __section(.exit.data) #define __exit_call __used __section(.exitcall.exit) -/* modpost check for section mismatches during the kernel build. +/* + * modpost check for section mismatches during the kernel build. * A section mismatch happens when there are references from a * code or data section to an init section (both code or data). * The init sections are (for most archs) discarded by the kernel * when early init has completed so all such references are potential bugs. * For exit sections the same issue exists. + * * The following markers are used for the cases where the reference to * the *init / *exit section (code or data) is valid and will teach - * modpost not to issue a warning. - * The markers follow same syntax rules as __init / __initdata. */ + * modpost not to issue a warning. Intended semantics is that a code or + * data tagged __ref* can reference code or data from init section without + * producing a warning (of course, no warning does not mean code is + * correct, so optimally document why the __ref is needed and why it's OK). + * + * The markers follow same syntax rules as __init / __initdata. + */ #define __ref __section(.ref.text) noinline #define __refdata __section(.ref.data) #define __refconst __section(.ref.rodata) |