diff options
| author | Sven Schnelle | 2021-10-04 08:51:06 +0200 |
|---|---|---|
| committer | Vasily Gorbik | 2021-10-26 15:21:29 +0200 |
| commit | 5d17d4ed7e892be3670de7189c76009e12397fe7 (patch) | |
| tree | 34c6aa60e17608b03db1476c78465f62342304b1 /arch/s390/net | |
| parent | 26c21aa485841fecb8514a8261f759d34576eb6a (diff) | |
s390: introduce nospec_uses_trampoline()
and replace all of the "__is_defined(CC_USING_EXPOLINE) && !nospec_disable"
occurrences.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/net')
| -rw-r--r-- | arch/s390/net/bpf_jit_comp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 1a374d021e25..233cc9bcd652 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -567,7 +567,7 @@ static void bpf_jit_epilogue(struct bpf_jit *jit, u32 stack_depth) EMIT4(0xb9040000, REG_2, BPF_REG_0); /* Restore registers */ save_restore_regs(jit, REGS_RESTORE, stack_depth); - if (__is_defined(CC_USING_EXPOLINE) && !nospec_disable) { + if (nospec_uses_trampoline()) { jit->r14_thunk_ip = jit->prg; /* Generate __s390_indirect_jump_r14 thunk */ if (test_facility(35)) { @@ -585,7 +585,7 @@ static void bpf_jit_epilogue(struct bpf_jit *jit, u32 stack_depth) /* br %r14 */ _EMIT2(0x07fe); - if (__is_defined(CC_USING_EXPOLINE) && !nospec_disable && + if ((nospec_uses_trampoline()) && (is_first_pass(jit) || (jit->seen & SEEN_FUNC))) { jit->r1_thunk_ip = jit->prg; /* Generate __s390_indirect_jump_r1 thunk */ @@ -1332,7 +1332,7 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, jit->seen |= SEEN_FUNC; /* lgrl %w1,func */ EMIT6_PCREL_RILB(0xc4080000, REG_W1, _EMIT_CONST_U64(func)); - if (__is_defined(CC_USING_EXPOLINE) && !nospec_disable) { + if (nospec_uses_trampoline()) { /* brasl %r14,__s390_indirect_jump_r1 */ EMIT6_PCREL_RILB(0xc0050000, REG_14, jit->r1_thunk_ip); } else { |