diff options
Diffstat (limited to 'arch/s390/kernel/vdso64')
| -rw-r--r-- | arch/s390/kernel/vdso64/Makefile | 3 | ||||
| -rw-r--r-- | arch/s390/kernel/vdso64/clock_gettime.S | 25 | ||||
| -rw-r--r-- | arch/s390/kernel/vdso64/gettimeofday.S | 3 |
3 files changed, 17 insertions, 14 deletions
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile index 15b1ceafc4c1..a22b2cf86eec 100644 --- a/arch/s390/kernel/vdso64/Makefile +++ b/arch/s390/kernel/vdso64/Makefile @@ -28,9 +28,10 @@ obj-y += vdso64_wrapper.o extra-y += vdso64.lds CPPFLAGS_vdso64.lds += -P -C -U$(ARCH) -# Disable gcov profiling and ubsan for VDSO code +# Disable gcov profiling, ubsan and kasan for VDSO code GCOV_PROFILE := n UBSAN_SANITIZE := n +KASAN_SANITIZE := n # Force dependency (incbin is bad) $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so diff --git a/arch/s390/kernel/vdso64/clock_gettime.S b/arch/s390/kernel/vdso64/clock_gettime.S index fac3ab5ec83a..9d2ee79b90f2 100644 --- a/arch/s390/kernel/vdso64/clock_gettime.S +++ b/arch/s390/kernel/vdso64/clock_gettime.S @@ -10,6 +10,7 @@ #include <asm/asm-offsets.h> #include <asm/unistd.h> #include <asm/dwarf.h> +#include <asm/ptrace.h> .text .align 4 @@ -18,8 +19,8 @@ __kernel_clock_gettime: CFI_STARTPROC aghi %r15,-16 - CFI_DEF_CFA_OFFSET 176 - CFI_VAL_OFFSET 15, -160 + CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD+16 + CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD larl %r5,_vdso_data cghi %r2,__CLOCK_REALTIME_COARSE je 4f @@ -56,13 +57,13 @@ __kernel_clock_gettime: stg %r1,8(%r3) /* store tp->tv_nsec */ lghi %r2,0 aghi %r15,16 - CFI_DEF_CFA_OFFSET 160 + CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD CFI_RESTORE 15 br %r14 /* CLOCK_MONOTONIC_COARSE */ - CFI_DEF_CFA_OFFSET 176 - CFI_VAL_OFFSET 15, -160 + CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD+16 + CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD 3: lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ tmll %r4,0x0001 /* pending update ? loop */ jnz 3b @@ -115,13 +116,13 @@ __kernel_clock_gettime: stg %r1,8(%r3) /* store tp->tv_nsec */ lghi %r2,0 aghi %r15,16 - CFI_DEF_CFA_OFFSET 160 + CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD CFI_RESTORE 15 br %r14 /* CPUCLOCK_VIRT for this thread */ - CFI_DEF_CFA_OFFSET 176 - CFI_VAL_OFFSET 15, -160 + CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD+16 + CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD 9: lghi %r4,0 icm %r0,15,__VDSO_ECTG_OK(%r5) jz 12f @@ -142,17 +143,17 @@ __kernel_clock_gettime: stg %r4,8(%r3) lghi %r2,0 aghi %r15,16 - CFI_DEF_CFA_OFFSET 160 + CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD CFI_RESTORE 15 br %r14 /* Fallback to system call */ - CFI_DEF_CFA_OFFSET 176 - CFI_VAL_OFFSET 15, -160 + CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD+16 + CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD 12: lghi %r1,__NR_clock_gettime svc 0 aghi %r15,16 - CFI_DEF_CFA_OFFSET 160 + CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD CFI_RESTORE 15 br %r14 CFI_ENDPROC diff --git a/arch/s390/kernel/vdso64/gettimeofday.S b/arch/s390/kernel/vdso64/gettimeofday.S index 6e1f0b421695..aebe10dc7c99 100644 --- a/arch/s390/kernel/vdso64/gettimeofday.S +++ b/arch/s390/kernel/vdso64/gettimeofday.S @@ -10,6 +10,7 @@ #include <asm/asm-offsets.h> #include <asm/unistd.h> #include <asm/dwarf.h> +#include <asm/ptrace.h> .text .align 4 @@ -19,7 +20,7 @@ __kernel_gettimeofday: CFI_STARTPROC aghi %r15,-16 CFI_ADJUST_CFA_OFFSET 16 - CFI_VAL_OFFSET 15, -160 + CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD larl %r5,_vdso_data 0: ltgr %r3,%r3 /* check if tz is NULL */ je 1f |