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| author | Vasily Gorbik <gor@linux.ibm.com> | 2022-03-01 21:02:48 +0100 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2022-03-01 21:02:48 +0100 |
| commit | 9a4f03ad6d67b63e7d2a3fe16c30511f5fb80040 (patch) | |
| tree | 7766b8d6ce6edc309ddba6c9740a782bfe8d2192 /arch/s390/kernel/mcount.S | |
| parent | f413f685c6c094a7b968f66ca2e8512720807203 (diff) | |
| parent | c194dad21025dfd043210912653baab823bdff67 (diff) | |
Merge branch 'fixes' into features
This helps to avoid several merge conflicts later.
* fixes:
s390/extable: fix exception table sorting
s390/ftrace: fix arch_ftrace_get_regs implementation
s390/ftrace: fix ftrace_caller/ftrace_regs_caller generation
s390/setup: preserve memory at OLDMEM_BASE and OLDMEM_SIZE
s390/cio: verify the driver availability for path_event call
s390/module: fix building test_modules_helpers.o with clang
MAINTAINERS: downgrade myself to Reviewer for s390
MAINTAINERS: add Alexander Gordeev as maintainer for s390
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel/mcount.S')
| -rw-r--r-- | arch/s390/kernel/mcount.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S index a06eb86c178f..9d90b8bc6692 100644 --- a/arch/s390/kernel/mcount.S +++ b/arch/s390/kernel/mcount.S @@ -25,6 +25,7 @@ ENDPROC(ftrace_stub) #define STACK_PTREGS_GPRS (STACK_PTREGS + __PT_GPRS) #define STACK_PTREGS_PSW (STACK_PTREGS + __PT_PSW) #define STACK_PTREGS_ORIG_GPR2 (STACK_PTREGS + __PT_ORIG_GPR2) +#define STACK_PTREGS_FLAGS (STACK_PTREGS + __PT_FLAGS) #ifdef __PACK_STACK /* allocate just enough for r14, r15 and backchain */ #define TRACED_FUNC_FRAME_SIZE 24 @@ -55,6 +56,14 @@ ENDPROC(ftrace_stub) .if \allregs == 1 stg %r14,(STACK_PTREGS_PSW)(%r15) stosm (STACK_PTREGS_PSW)(%r15),0 +#ifdef CONFIG_HAVE_MARCH_Z10_FEATURES + mvghi STACK_PTREGS_FLAGS(%r15),_PIF_FTRACE_FULL_REGS +#else + lghi %r14,_PIF_FTRACE_FULL_REGS + stg %r14,STACK_PTREGS_FLAGS(%r15) +#endif + .else + xc STACK_PTREGS_FLAGS(8,%r15),STACK_PTREGS_FLAGS(%r15) .endif lg %r14,(__SF_GPRS+8*8)(%r1) # restore original return address |