Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/security/apparmor/include/path.h b/security/apparmor/include/path.h
index 35a8295..44a7945 100644
--- a/security/apparmor/include/path.h
+++ b/security/apparmor/include/path.h
@@ -11,7 +11,6 @@
#ifndef __AA_PATH_H
#define __AA_PATH_H
-
enum path_flags {
PATH_IS_DIR = 0x1, /* path is a directory */
PATH_CONNECT_PATH = 0x4, /* connect disconnected paths to / */
@@ -26,51 +25,8 @@
const char **name, const char **info,
const char *disconnected);
-#define MAX_PATH_BUFFERS 2
-
-/* Per cpu buffers used during mediation */
-/* preallocated buffers to use during path lookups */
-struct aa_buffers {
- char *buf[MAX_PATH_BUFFERS];
-};
-
-#include <linux/percpu.h>
-#include <linux/preempt.h>
-
-DECLARE_PER_CPU(struct aa_buffers, aa_buffers);
-
-#define ASSIGN(FN, A, X, N) ((X) = FN(A, N))
-#define EVAL1(FN, A, X) ASSIGN(FN, A, X, 0) /*X = FN(0)*/
-#define EVAL2(FN, A, X, Y...) \
- do { ASSIGN(FN, A, X, 1); EVAL1(FN, A, Y); } while (0)
-#define EVAL(FN, A, X...) CONCATENATE(EVAL, COUNT_ARGS(X))(FN, A, X)
-
-#define for_each_cpu_buffer(I) for ((I) = 0; (I) < MAX_PATH_BUFFERS; (I)++)
-
-#ifdef CONFIG_DEBUG_PREEMPT
-#define AA_BUG_PREEMPT_ENABLED(X) AA_BUG(preempt_count() <= 0, X)
-#else
-#define AA_BUG_PREEMPT_ENABLED(X) /* nop */
-#endif
-
-#define __get_buffer(C, N) ({ \
- AA_BUG_PREEMPT_ENABLED("__get_buffer without preempt disabled"); \
- (C)->buf[(N)]; })
-
-#define __get_buffers(C, X...) EVAL(__get_buffer, C, X)
-
-#define __put_buffers(X, Y...) ((void)&(X))
-
-#define get_buffers(X...) \
-do { \
- struct aa_buffers *__cpu_var = get_cpu_ptr(&aa_buffers); \
- __get_buffers(__cpu_var, X); \
-} while (0)
-
-#define put_buffers(X, Y...) \
-do { \
- __put_buffers(X, Y); \
- put_cpu_ptr(&aa_buffers); \
-} while (0)
+#define IN_ATOMIC true
+char *aa_get_buffer(bool in_atomic);
+void aa_put_buffer(char *buf);
#endif /* __AA_PATH_H */