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authorLinus Torvalds <torvalds@linux-foundation.org>2010-01-08 17:04:20 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-01-08 17:04:20 -0500
commit9993b364d2c42acc2949ddbc6371405e17829e32 (patch)
treeb9eb8126c46f08cf09d513f77a48a53e941b7a92 /include
parent82062e7b50280bcf0feca70ac35a44f375602976 (diff)
parentb11e1eca7ed9c0b5dab21a62c11acc711d9bdda0 (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: kgdb: Fix kernel-doc format error in kgdb.h blackfin,kgdb: Do not put PC in gdb_regs into retx. blackfin,kgdb,probe_kernel: Cleanup probe_kernel_read/write maccess,probe_kernel: Allow arch specific override probe_kernel_(read|write)
Diffstat (limited to 'include')
-rw-r--r--include/linux/kgdb.h7
-rw-r--r--include/linux/uaccess.h4
2 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index 6adcc297e35..19ec41a183f 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -29,8 +29,7 @@ struct pt_regs;
29 * 29 *
30 * On some architectures it is required to skip a breakpoint 30 * On some architectures it is required to skip a breakpoint
31 * exception when it occurs after a breakpoint has been removed. 31 * exception when it occurs after a breakpoint has been removed.
32 * This can be implemented in the architecture specific portion of 32 * This can be implemented in the architecture specific portion of kgdb.
33 * for kgdb.
34 */ 33 */
35extern int kgdb_skipexception(int exception, struct pt_regs *regs); 34extern int kgdb_skipexception(int exception, struct pt_regs *regs);
36 35
@@ -65,7 +64,7 @@ struct uart_port;
65/** 64/**
66 * kgdb_breakpoint - compiled in breakpoint 65 * kgdb_breakpoint - compiled in breakpoint
67 * 66 *
68 * This will be impelmented a static inline per architecture. This 67 * This will be implemented as a static inline per architecture. This
69 * function is called by the kgdb core to execute an architecture 68 * function is called by the kgdb core to execute an architecture
70 * specific trap to cause kgdb to enter the exception processing. 69 * specific trap to cause kgdb to enter the exception processing.
71 * 70 *
@@ -190,7 +189,7 @@ kgdb_arch_handle_exception(int vector, int signo, int err_code,
190 * @flags: Current IRQ state 189 * @flags: Current IRQ state
191 * 190 *
192 * On SMP systems, we need to get the attention of the other CPUs 191 * On SMP systems, we need to get the attention of the other CPUs
193 * and get them be in a known state. This should do what is needed 192 * and get them into a known state. This should do what is needed
194 * to get the other CPUs to call kgdb_wait(). Note that on some arches, 193 * to get the other CPUs to call kgdb_wait(). Note that on some arches,
195 * the NMI approach is not used for rounding up all the CPUs. For example, 194 * the NMI approach is not used for rounding up all the CPUs. For example,
196 * in case of MIPS, smp_call_function() is used to roundup CPUs. In 195 * in case of MIPS, smp_call_function() is used to roundup CPUs. In
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 6b58367d145..d512d98dfb7 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -94,6 +94,7 @@ static inline unsigned long __copy_from_user_nocache(void *to,
94 * happens, handle that and return -EFAULT. 94 * happens, handle that and return -EFAULT.
95 */ 95 */
96extern long probe_kernel_read(void *dst, void *src, size_t size); 96extern long probe_kernel_read(void *dst, void *src, size_t size);
97extern long __probe_kernel_read(void *dst, void *src, size_t size);
97 98
98/* 99/*
99 * probe_kernel_write(): safely attempt to write to a location 100 * probe_kernel_write(): safely attempt to write to a location
@@ -104,6 +105,7 @@ extern long probe_kernel_read(void *dst, void *src, size_t size);
104 * Safely write to address @dst from the buffer at @src. If a kernel fault 105 * Safely write to address @dst from the buffer at @src. If a kernel fault
105 * happens, handle that and return -EFAULT. 106 * happens, handle that and return -EFAULT.
106 */ 107 */
107extern long probe_kernel_write(void *dst, void *src, size_t size); 108extern long notrace probe_kernel_write(void *dst, void *src, size_t size);
109extern long notrace __probe_kernel_write(void *dst, void *src, size_t size);
108 110
109#endif /* __LINUX_UACCESS_H__ */ 111#endif /* __LINUX_UACCESS_H__ */