diff options
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/Kconfig | 1 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/delay.h | 28 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/processor.h | 1 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/scatterlist.h | 1 | ||||
| -rw-r--r-- | arch/microblaze/include/uapi/asm/unistd.h | 1 | ||||
| -rw-r--r-- | arch/microblaze/kernel/ftrace.c | 3 | ||||
| -rw-r--r-- | arch/microblaze/kernel/mcount.S | 5 | ||||
| -rw-r--r-- | arch/microblaze/kernel/syscall_table.S | 3 | ||||
| -rw-r--r-- | arch/microblaze/lib/Makefile | 14 |
10 files changed, 33 insertions, 25 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 9ae08541e30d..40e1c1dd0e24 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -22,7 +22,6 @@ config MICROBLAZE select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACER - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_FUNCTION_TRACER select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 35b3ecaf25d5..27a3acda6c19 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -7,5 +7,6 @@ generic-y += exec.h generic-y += hash.h generic-y += mcs_spinlock.h generic-y += preempt.h +generic-y += scatterlist.h generic-y += syscalls.h generic-y += trace_clock.h diff --git a/arch/microblaze/include/asm/delay.h b/arch/microblaze/include/asm/delay.h index 66fc24c24238..60cb39deb533 100644 --- a/arch/microblaze/include/asm/delay.h +++ b/arch/microblaze/include/asm/delay.h @@ -61,13 +61,29 @@ extern inline void __udelay(unsigned int x) extern void __bad_udelay(void); /* deliberately undefined */ extern void __bad_ndelay(void); /* deliberately undefined */ -#define udelay(n) (__builtin_constant_p(n) ? \ - ((n) > __MAX_UDELAY ? __bad_udelay() : __udelay((n) * (19 * HZ))) : \ - __udelay((n) * (19 * HZ))) +#define udelay(n) \ + ({ \ + if (__builtin_constant_p(n)) { \ + if ((n) / __MAX_UDELAY >= 1) \ + __bad_udelay(); \ + else \ + __udelay((n) * (19 * HZ)); \ + } else { \ + __udelay((n) * (19 * HZ)); \ + } \ + }) -#define ndelay(n) (__builtin_constant_p(n) ? \ - ((n) > __MAX_NDELAY ? __bad_ndelay() : __udelay((n) * HZ)) : \ - __udelay((n) * HZ)) +#define ndelay(n) \ + ({ \ + if (__builtin_constant_p(n)) { \ + if ((n) / __MAX_NDELAY >= 1) \ + __bad_ndelay(); \ + else \ + __udelay((n) * HZ); \ + } else { \ + __udelay((n) * HZ); \ + } \ + }) #define muldiv(a, b, c) (((a)*(b))/(c)) diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h index 9d31b057c355..497a988d79c2 100644 --- a/arch/microblaze/include/asm/processor.h +++ b/arch/microblaze/include/asm/processor.h @@ -22,6 +22,7 @@ extern const struct seq_operations cpuinfo_op; # define cpu_relax() barrier() +# define cpu_relax_lowlatency() cpu_relax() #define task_pt_regs(tsk) \ (((struct pt_regs *)(THREAD_SIZE + task_stack_page(tsk))) - 1) diff --git a/arch/microblaze/include/asm/scatterlist.h b/arch/microblaze/include/asm/scatterlist.h deleted file mode 100644 index 35d786fe93ae..000000000000 --- a/arch/microblaze/include/asm/scatterlist.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/scatterlist.h> diff --git a/arch/microblaze/include/uapi/asm/unistd.h b/arch/microblaze/include/uapi/asm/unistd.h index 8d0791b49b31..4e1ddc930a68 100644 --- a/arch/microblaze/include/uapi/asm/unistd.h +++ b/arch/microblaze/include/uapi/asm/unistd.h @@ -398,5 +398,6 @@ #define __NR_finit_module 380 #define __NR_sched_setattr 381 #define __NR_sched_getattr 382 +#define __NR_renameat2 383 #endif /* _UAPI_ASM_MICROBLAZE_UNISTD_H */ diff --git a/arch/microblaze/kernel/ftrace.c b/arch/microblaze/kernel/ftrace.c index bbcd2533766c..fc7b48a52cd5 100644 --- a/arch/microblaze/kernel/ftrace.c +++ b/arch/microblaze/kernel/ftrace.c @@ -27,6 +27,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) unsigned long return_hooker = (unsigned long) &return_to_handler; + if (unlikely(ftrace_graph_is_dead())) + return; + if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; diff --git a/arch/microblaze/kernel/mcount.S b/arch/microblaze/kernel/mcount.S index fc1e1322ce4c..fed9da5de8c4 100644 --- a/arch/microblaze/kernel/mcount.S +++ b/arch/microblaze/kernel/mcount.S @@ -91,11 +91,6 @@ ENTRY(ftrace_caller) #endif /* CONFIG_DYNAMIC_FTRACE */ SAVE_REGS swi r15, r1, 0; - /* MS: HAVE_FUNCTION_TRACE_MCOUNT_TEST begin of checking */ - lwi r5, r0, function_trace_stop; - bneid r5, end; - nop; - /* MS: HAVE_FUNCTION_TRACE_MCOUNT_TEST end of checking */ #ifdef CONFIG_FUNCTION_GRAPH_TRACER #ifndef CONFIG_DYNAMIC_FTRACE lwi r5, r0, ftrace_graph_return; diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index 329dfbad810b..1a23d5d5480c 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -380,6 +380,7 @@ ENTRY(sys_call_table) .long sys_process_vm_readv .long sys_process_vm_writev .long sys_kcmp - .long sys_finit_module + .long sys_finit_module /* 380 */ .long sys_sched_setattr .long sys_sched_getattr + .long sys_renameat2 diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile index 844960e8ae18..70c7ae6a3fb5 100644 --- a/arch/microblaze/lib/Makefile +++ b/arch/microblaze/lib/Makefile @@ -18,14 +18,6 @@ endif lib-y += uaccess_old.o -lib-y += ashldi3.o -lib-y += ashrdi3.o -lib-y += cmpdi2.o -lib-y += divsi3.o -lib-y += lshrdi3.o -lib-y += modsi3.o -lib-y += muldi3.o -lib-y += mulsi3.o -lib-y += ucmpdi2.o -lib-y += udivsi3.o -lib-y += umodsi3.o +# libgcc-style stuff needed in the kernel +obj-y += ashldi3.o ashrdi3.o cmpdi2.o divsi3.o lshrdi3.o modsi3.o +obj-y += muldi3.o mulsi3.o ucmpdi2.o udivsi3.o umodsi3.o |