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ANDROID: GKI: workqueue.h: add Android ABI padding to some structures

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Try to mitigate potential future driver core api changes by adding a
padding to struct work_struct and struct delayed_work

Based on a change made to the RHEL/CENTOS 8 kernel.

Leaf changes summary: 129 artifacts changed
Changed leaf types summary: 129 leaf types changed
Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 0 Added function
Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added variable

type 'struct work_struct' changed:
  type size changed from 256 to 384 (in bits)
  2 data member insertions:
    'u64 work_struct::android_kabi_reserved1', at offset 256 (in bits) at workqueue.h:110:1
    'u64 work_struct::android_kabi_reserved2', at offset 320 (in bits) at workqueue.h:111:1

type 'struct delayed_work' changed:
  type size changed from 704 to 960 (in bits)
  2 data member insertions:
    'u64 delayed_work::android_kabi_reserved1', at offset 832 (in bits) at workqueue.h:126:1
    'u64 delayed_work::android_kabi_reserved2', at offset 896 (in bits) at workqueue.h:127:1

Bug: 151154716
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I5492a13e2430c1a5775aec52518144b7aa4f3268
This commit is contained in:
Greg Kroah-Hartman
2020-03-26 11:21:23 +01:00
parent 8e901b0149
commit 383156c695
2 changed files with 19314 additions and 19069 deletions
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38377
abi_gki_aarch64.xml
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6
include/linux/workqueue.h
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@@ -14,6 +14,7 @@
#include <linux/atomic.h> #include <linux/atomic.h>
#include <linux/cpumask.h> #include <linux/cpumask.h>
#include <linux/rcupdate.h> #include <linux/rcupdate.h>
#include <linux/android_kabi.h>
struct workqueue_struct; struct workqueue_struct;
@@ -106,6 +107,8 @@ struct work_struct {
#ifdef CONFIG_LOCKDEP #ifdef CONFIG_LOCKDEP
struct lockdep_map lockdep_map; struct lockdep_map lockdep_map;
#endif #endif
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
}; };
#define WORK_DATA_INIT() ATOMIC_LONG_INIT((unsigned long)WORK_STRUCT_NO_POOL) #define WORK_DATA_INIT() ATOMIC_LONG_INIT((unsigned long)WORK_STRUCT_NO_POOL)
@@ -119,6 +122,9 @@ struct delayed_work {
/* target workqueue and CPU ->timer uses to queue ->work */ /* target workqueue and CPU ->timer uses to queue ->work */
struct workqueue_struct *wq; struct workqueue_struct *wq;
int cpu; int cpu;
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
}; };
struct rcu_work { struct rcu_work {