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| author |   Kefeng Wang <wangkefeng.wang@huawei.com> | 2021-06-26 15:34:37 +0800 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2021-07-05 12:44:23 +0200 |
| commit | 47f7c6cf0082e1d963d1761b6bc2a94480fc8671 (patch) | |
| tree | 38bef2e880e54c15fe5d6d973113c6b1b9f874b6 /arch/s390/kernel/kprobes.c | |
| parent | Merge tag 's390-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux (diff) | |
| download | linux-dev-47f7c6cf0082e1d963d1761b6bc2a94480fc8671.tar.xz linux-dev-47f7c6cf0082e1d963d1761b6bc2a94480fc8671.zip | |
s390/kprobes: use is_kernel() helper
Use is_kernel() helper instead of is_kernel_addr().
[hca@linux.ibm.com: add missing unsigned long cast]
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel/kprobes.c')
| -rw-r--r-- | arch/s390/kernel/kprobes.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 528bb31815c3..52d056a5f89f 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -92,11 +92,6 @@ static void copy_instruction(struct kprobe *p) } NOKPROBE_SYMBOL(copy_instruction); -static inline int is_kernel_addr(void *addr) -{ - return addr < (void *)_end; -} - static int s390_get_insn_slot(struct kprobe *p) { /* @@ -105,7 +100,7 @@ static int s390_get_insn_slot(struct kprobe *p) * field can be patched and executed within the insn slot. */ p->ainsn.insn = NULL; - if (is_kernel_addr(p->addr)) + if (is_kernel((unsigned long)p->addr)) p->ainsn.insn = get_s390_insn_slot(); else if (is_module_addr(p->addr)) p->ainsn.insn = get_insn_slot(); @@ -117,7 +112,7 @@ static void s390_free_insn_slot(struct kprobe *p) { if (!p->ainsn.insn) return; - if (is_kernel_addr(p->addr)) + if (is_kernel((unsigned long)p->addr)) free_s390_insn_slot(p->ainsn.insn, 0); else free_insn_slot(p->ainsn.insn, 0); |