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Merge tag 'csky-for-linus-5.2-rc1' of git://github.com/c-sky/csky-linux

Browse Source 
Pull arch/csky updates from Guo Ren:

 - Fixup vdsp&fpu issues in kernel

 - Add dynamic function tracer

 - Use in_syscall & forget_syscall instead of r11_sig

 - Reconstruct signal processing

 - Support dynamic start physical address

 - Fixup wrong update_mmu_cache implementation

 - Support vmlinux bootup with MMU off

 - Use va_pa_offset instead of phys_offset

 - Fixup syscall_trace return processing flow

 - Add perf callchain support

 - Add perf_arch_fetch_caller_regs support

 - Add page fault perf event support

 - Add support for perf registers sampling

* tag 'csky-for-linus-5.2-rc1' of git://github.com/c-sky/csky-linux:
  csky/syscall_trace: Fixup return processing flow
  csky: Fixup compile warning
  csky: Add support for perf registers sampling
  csky: add page fault perf event support
  csky: Use va_pa_offset instead of phys_offset
  csky: Support vmlinux bootup with MMU off
  csky: Add perf_arch_fetch_caller_regs support
  csky: Fixup wrong update_mmu_cache implementation
  csky: Support dynamic start physical address
  csky: Reconstruct signal processing
  csky: Use in_syscall & forget_syscall instead of r11_sig
  csky: Add non-uapi asm/ptrace.h namespace
  csky: mm/fault.c: Remove duplicate header
  csky: remove redundant generic-y
  csky: Update syscall_trace_enter/exit implementation
  csky: Add perf callchain support
  csky/ftrace: Add dynamic function tracer (include graph tracer)
  csky: Fixup vdsp&fpu issues in kernel
This commit is contained in:
Linus Torvalds
2019-05-08 11:41:08 -07:00
parent e7a1414f9d a691f3334d
commit ce45327ca0
34 changed files with 895 additions and 507 deletions
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9
arch/csky/include/asm/syscall.h
View File

@@ -8,12 +8,21 @@
#include <abi/regdef.h>
#include <uapi/linux/audit.h>
extern void *sys_call_table[];
static inline int
syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
{
return regs_syscallid(regs);
}
static inline void
syscall_set_nr(struct task_struct *task, struct pt_regs *regs,
int sysno)
{
regs_syscallid(regs) = sysno;
}
static inline void
syscall_rollback(struct task_struct *task, struct pt_regs *regs)
{