diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 9 | ||||
| -rw-r--r-- | lib/div64.c | 2 | ||||
| -rw-r--r-- | lib/string.c | 2 | ||||
| -rw-r--r-- | lib/test_bpf.c | 30 |
4 files changed, 41 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 16bf3bc25e3e..8c15b29d5adc 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -312,6 +312,15 @@ config DEBUG_SECTION_MISMATCH - Enable verbose reporting from modpost in order to help resolve the section mismatches that are reported. +config SECTION_MISMATCH_WARN_ONLY + bool "Make section mismatch errors non-fatal" + default y + help + If you say N here, the build process will fail if there are any + section mismatch, instead of just throwing warnings. + + If unsure, say Y. + # # Select this config option from the architecture Kconfig, if it # is preferred to always offer frame pointers as a config diff --git a/lib/div64.c b/lib/div64.c index 19ea7ed4b948..62a698a432bc 100644 --- a/lib/div64.c +++ b/lib/div64.c @@ -162,7 +162,7 @@ s64 div64_s64(s64 dividend, s64 divisor) { s64 quot, t; - quot = div64_u64(abs64(dividend), abs64(divisor)); + quot = div64_u64(abs(dividend), abs(divisor)); t = (dividend ^ divisor) >> 63; return (quot ^ t) - t; diff --git a/lib/string.c b/lib/string.c index 84775ba873b9..0323c0d5629a 100644 --- a/lib/string.c +++ b/lib/string.c @@ -904,7 +904,7 @@ void *memchr_inv(const void *start, int c, size_t bytes) value64 = value; #if defined(CONFIG_ARCH_HAS_FAST_MULTIPLIER) && BITS_PER_LONG == 64 - value64 *= 0x0101010101010101; + value64 *= 0x0101010101010101ULL; #elif defined(CONFIG_ARCH_HAS_FAST_MULTIPLIER) value64 *= 0x01010101; value64 |= value64 << 32; diff --git a/lib/test_bpf.c b/lib/test_bpf.c index d1377390b3ad..10cd1860e5b0 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -5056,6 +5056,36 @@ static struct bpf_test tests[] = { { {0x1, 0x0 } }, }, { + "MOD default X", + .u.insns = { + /* + * A = 0x42 + * A = A mod X ; this halt the filter execution if X is 0 + * ret 0x42 + */ + BPF_STMT(BPF_LD | BPF_IMM, 0x42), + BPF_STMT(BPF_ALU | BPF_MOD | BPF_X, 0), + BPF_STMT(BPF_RET | BPF_K, 0x42), + }, + CLASSIC | FLAG_NO_DATA, + {}, + { {0x1, 0x0 } }, + }, + { + "MOD default A", + .u.insns = { + /* + * A = A mod 1 + * ret A + */ + BPF_STMT(BPF_ALU | BPF_MOD | BPF_K, 0x1), + BPF_STMT(BPF_RET | BPF_A, 0x0), + }, + CLASSIC | FLAG_NO_DATA, + {}, + { {0x1, 0x0 } }, + }, + { "JMP EQ default A", .u.insns = { /* |
