diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 2 | ||||
| -rw-r--r-- | lib/mpi/longlong.h | 18 | ||||
| -rw-r--r-- | lib/oid_registry.c | 8 | ||||
| -rw-r--r-- | lib/test_bpf.c | 13 |
4 files changed, 32 insertions, 9 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index b53b375e14bd..f0602beeba26 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -197,7 +197,7 @@ config ENABLE_MUST_CHECK config FRAME_WARN int "Warn for stack frames larger than (needs gcc 4.4)" range 0 8192 - default 0 if KASAN + default 2048 if GCC_PLUGIN_LATENT_ENTROPY default 1024 if !64BIT default 2048 if 64BIT help diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h index b90e255c2a68..d2ecf0a09180 100644 --- a/lib/mpi/longlong.h +++ b/lib/mpi/longlong.h @@ -671,7 +671,23 @@ do { \ ************** MIPS/64 ************** ***************************************/ #if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64 -#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4) +#if defined(__mips_isa_rev) && __mips_isa_rev >= 6 +/* + * GCC ends up emitting a __multi3 intrinsic call for MIPS64r6 with the plain C + * code below, so we special case MIPS64r6 until the compiler can do better. + */ +#define umul_ppmm(w1, w0, u, v) \ +do { \ + __asm__ ("dmulu %0,%1,%2" \ + : "=d" ((UDItype)(w0)) \ + : "d" ((UDItype)(u)), \ + "d" ((UDItype)(v))); \ + __asm__ ("dmuhu %0,%1,%2" \ + : "=d" ((UDItype)(w1)) \ + : "d" ((UDItype)(u)), \ + "d" ((UDItype)(v))); \ +} while (0) +#elif (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4) #define umul_ppmm(w1, w0, u, v) \ do { \ typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \ diff --git a/lib/oid_registry.c b/lib/oid_registry.c index 318f382a010d..150e04d70303 100644 --- a/lib/oid_registry.c +++ b/lib/oid_registry.c @@ -116,7 +116,7 @@ int sprint_oid(const void *data, size_t datasize, char *buffer, size_t bufsize) int count; if (v >= end) - return -EBADMSG; + goto bad; n = *v++; ret = count = snprintf(buffer, bufsize, "%u.%u", n / 40, n % 40); @@ -134,7 +134,7 @@ int sprint_oid(const void *data, size_t datasize, char *buffer, size_t bufsize) num = n & 0x7f; do { if (v >= end) - return -EBADMSG; + goto bad; n = *v++; num <<= 7; num |= n & 0x7f; @@ -148,6 +148,10 @@ int sprint_oid(const void *data, size_t datasize, char *buffer, size_t bufsize) } return ret; + +bad: + snprintf(buffer, bufsize, "(bad)"); + return -EBADMSG; } EXPORT_SYMBOL_GPL(sprint_oid); diff --git a/lib/test_bpf.c b/lib/test_bpf.c index 7e26aea3e404..b7908d949a5f 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -5304,9 +5304,8 @@ static struct bpf_prog *generate_filter(int which, int *err) return NULL; } } - /* We don't expect to fail. */ if (*err) { - pr_cont("FAIL to attach err=%d len=%d\n", + pr_cont("FAIL to prog_create err=%d len=%d\n", *err, fprog.len); return NULL; } @@ -5325,7 +5324,11 @@ static struct bpf_prog *generate_filter(int which, int *err) fp->type = BPF_PROG_TYPE_SOCKET_FILTER; memcpy(fp->insnsi, fptr, fp->len * sizeof(struct bpf_insn)); - bpf_prog_select_runtime(fp); + *err = bpf_prog_select_runtime(fp); + if (*err) { + pr_cont("FAIL to select_runtime err=%d\n", *err); + return NULL; + } break; } @@ -5511,8 +5514,8 @@ static __init int test_bpf(void) pass_cnt++; continue; } - - return err; + err_cnt++; + continue; } pr_cont("jited:%u ", fp->jited); |