diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Makefile.kcsan | 15 | ||||
| -rw-r--r-- | scripts/Makefile.lib | 5 | ||||
| -rwxr-xr-x | scripts/atomic/gen-atomic-instrumented.sh | 41 | ||||
| -rw-r--r-- | scripts/gdb/linux/dmesg.py | 35 | ||||
| -rw-r--r-- | scripts/mod/devicetable-offsets.c | 3 | ||||
| -rw-r--r-- | scripts/mod/file2alias.c | 24 | ||||
| -rwxr-xr-x | scripts/recordmcount.pl | 2 | ||||
| -rwxr-xr-x | scripts/remove-stale-files | 7 | ||||
| -rwxr-xr-x | scripts/sphinx-pre-install | 4 |
9 files changed, 106 insertions, 30 deletions
diff --git a/scripts/Makefile.kcsan b/scripts/Makefile.kcsan index 37cb504c77e1..19f693b68a96 100644 --- a/scripts/Makefile.kcsan +++ b/scripts/Makefile.kcsan @@ -9,7 +9,18 @@ endif # Keep most options here optional, to allow enabling more compilers if absence # of some options does not break KCSAN nor causes false positive reports. -export CFLAGS_KCSAN := -fsanitize=thread \ - $(call cc-option,$(call cc-param,tsan-instrument-func-entry-exit=0) -fno-optimize-sibling-calls) \ +kcsan-cflags := -fsanitize=thread -fno-optimize-sibling-calls \ $(call cc-option,$(call cc-param,tsan-compound-read-before-write=1),$(call cc-option,$(call cc-param,tsan-instrument-read-before-write=1))) \ $(call cc-param,tsan-distinguish-volatile=1) + +ifdef CONFIG_CC_IS_GCC +# GCC started warning about operations unsupported by the TSan runtime. But +# KCSAN != TSan, so just ignore these warnings. +kcsan-cflags += -Wno-tsan +endif + +ifndef CONFIG_KCSAN_WEAK_MEMORY +kcsan-cflags += $(call cc-option,$(call cc-param,tsan-instrument-func-entry-exit=0)) +endif + +export CFLAGS_KCSAN := $(kcsan-cflags) diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index d1f865b8c0cb..ab17f7b2e33c 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -182,6 +182,11 @@ ifeq ($(CONFIG_KCSAN),y) _c_flags += $(if $(patsubst n%,, \ $(KCSAN_SANITIZE_$(basetarget).o)$(KCSAN_SANITIZE)y), \ $(CFLAGS_KCSAN)) +# Some uninstrumented files provide implied barriers required to avoid false +# positives: set KCSAN_INSTRUMENT_BARRIERS for barrier instrumentation only. +_c_flags += $(if $(patsubst n%,, \ + $(KCSAN_INSTRUMENT_BARRIERS_$(basetarget).o)$(KCSAN_INSTRUMENT_BARRIERS)n), \ + -D__KCSAN_INSTRUMENT_BARRIERS__) endif # $(srctree)/$(src) for including checkin headers from generated source files diff --git a/scripts/atomic/gen-atomic-instrumented.sh b/scripts/atomic/gen-atomic-instrumented.sh index 035ceb4ee85c..68f902731d01 100755 --- a/scripts/atomic/gen-atomic-instrumented.sh +++ b/scripts/atomic/gen-atomic-instrumented.sh @@ -34,6 +34,14 @@ gen_param_check() gen_params_checks() { local meta="$1"; shift + local order="$1"; shift + + if [ "${order}" = "_release" ]; then + printf "\tkcsan_release();\n" + elif [ -z "${order}" ] && ! meta_in "$meta" "slv"; then + # RMW with return value is fully ordered + printf "\tkcsan_mb();\n" + fi while [ "$#" -gt 0 ]; do gen_param_check "$meta" "$1" @@ -56,7 +64,7 @@ gen_proto_order_variant() local ret="$(gen_ret_type "${meta}" "${int}")" local params="$(gen_params "${int}" "${atomic}" "$@")" - local checks="$(gen_params_checks "${meta}" "$@")" + local checks="$(gen_params_checks "${meta}" "${order}" "$@")" local args="$(gen_args "$@")" local retstmt="$(gen_ret_stmt "${meta}")" @@ -75,29 +83,44 @@ EOF gen_xchg() { local xchg="$1"; shift + local order="$1"; shift local mult="$1"; shift + kcsan_barrier="" + if [ "${xchg%_local}" = "${xchg}" ]; then + case "$order" in + _release) kcsan_barrier="kcsan_release()" ;; + "") kcsan_barrier="kcsan_mb()" ;; + esac + fi + if [ "${xchg%${xchg#try_cmpxchg}}" = "try_cmpxchg" ] ; then cat <<EOF -#define ${xchg}(ptr, oldp, ...) \\ +#define ${xchg}${order}(ptr, oldp, ...) \\ ({ \\ typeof(ptr) __ai_ptr = (ptr); \\ typeof(oldp) __ai_oldp = (oldp); \\ +EOF +[ -n "$kcsan_barrier" ] && printf "\t${kcsan_barrier}; \\\\\n" +cat <<EOF instrument_atomic_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\ instrument_atomic_write(__ai_oldp, ${mult}sizeof(*__ai_oldp)); \\ - arch_${xchg}(__ai_ptr, __ai_oldp, __VA_ARGS__); \\ + arch_${xchg}${order}(__ai_ptr, __ai_oldp, __VA_ARGS__); \\ }) EOF else cat <<EOF -#define ${xchg}(ptr, ...) \\ +#define ${xchg}${order}(ptr, ...) \\ ({ \\ typeof(ptr) __ai_ptr = (ptr); \\ +EOF +[ -n "$kcsan_barrier" ] && printf "\t${kcsan_barrier}; \\\\\n" +cat <<EOF instrument_atomic_write(__ai_ptr, ${mult}sizeof(*__ai_ptr)); \\ - arch_${xchg}(__ai_ptr, __VA_ARGS__); \\ + arch_${xchg}${order}(__ai_ptr, __VA_ARGS__); \\ }) EOF @@ -145,21 +168,21 @@ done for xchg in "xchg" "cmpxchg" "cmpxchg64" "try_cmpxchg"; do for order in "" "_acquire" "_release" "_relaxed"; do - gen_xchg "${xchg}${order}" "" + gen_xchg "${xchg}" "${order}" "" printf "\n" done done for xchg in "cmpxchg_local" "cmpxchg64_local" "sync_cmpxchg"; do - gen_xchg "${xchg}" "" + gen_xchg "${xchg}" "" "" printf "\n" done -gen_xchg "cmpxchg_double" "2 * " +gen_xchg "cmpxchg_double" "" "2 * " printf "\n\n" -gen_xchg "cmpxchg_double_local" "2 * " +gen_xchg "cmpxchg_double_local" "" "2 * " cat <<EOF diff --git a/scripts/gdb/linux/dmesg.py b/scripts/gdb/linux/dmesg.py index a92c55bd8de5..d5983cf3db7d 100644 --- a/scripts/gdb/linux/dmesg.py +++ b/scripts/gdb/linux/dmesg.py @@ -44,19 +44,17 @@ class LxDmesg(gdb.Command): sz = prb_desc_ring_type.get_type().sizeof desc_ring = utils.read_memoryview(inf, addr, sz).tobytes() - # read in descriptor array + # read in descriptor count, size, and address off = prb_desc_ring_type.get_type()['count_bits'].bitpos // 8 desc_ring_count = 1 << utils.read_u32(desc_ring, off) desc_sz = prb_desc_type.get_type().sizeof off = prb_desc_ring_type.get_type()['descs'].bitpos // 8 - addr = utils.read_ulong(desc_ring, off) - descs = utils.read_memoryview(inf, addr, desc_sz * desc_ring_count).tobytes() + desc_addr = utils.read_ulong(desc_ring, off) - # read in info array + # read in info size and address info_sz = printk_info_type.get_type().sizeof off = prb_desc_ring_type.get_type()['infos'].bitpos // 8 - addr = utils.read_ulong(desc_ring, off) - infos = utils.read_memoryview(inf, addr, info_sz * desc_ring_count).tobytes() + info_addr = utils.read_ulong(desc_ring, off) # read in text data ring structure off = printk_ringbuffer_type.get_type()['text_data_ring'].bitpos // 8 @@ -64,12 +62,11 @@ class LxDmesg(gdb.Command): sz = prb_data_ring_type.get_type().sizeof text_data_ring = utils.read_memoryview(inf, addr, sz).tobytes() - # read in text data + # read in text data size and address off = prb_data_ring_type.get_type()['size_bits'].bitpos // 8 text_data_sz = 1 << utils.read_u32(text_data_ring, off) off = prb_data_ring_type.get_type()['data'].bitpos // 8 - addr = utils.read_ulong(text_data_ring, off) - text_data = utils.read_memoryview(inf, addr, text_data_sz).tobytes() + text_data_addr = utils.read_ulong(text_data_ring, off) counter_off = atomic_long_type.get_type()['counter'].bitpos // 8 @@ -102,17 +99,20 @@ class LxDmesg(gdb.Command): desc_off = desc_sz * ind info_off = info_sz * ind + desc = utils.read_memoryview(inf, desc_addr + desc_off, desc_sz).tobytes() + # skip non-committed record - state = 3 & (utils.read_u64(descs, desc_off + sv_off + - counter_off) >> desc_flags_shift) + state = 3 & (utils.read_u64(desc, sv_off + counter_off) >> desc_flags_shift) if state != desc_committed and state != desc_finalized: if did == head_id: break did = (did + 1) & desc_id_mask continue - begin = utils.read_ulong(descs, desc_off + begin_off) % text_data_sz - end = utils.read_ulong(descs, desc_off + next_off) % text_data_sz + begin = utils.read_ulong(desc, begin_off) % text_data_sz + end = utils.read_ulong(desc, next_off) % text_data_sz + + info = utils.read_memoryview(inf, info_addr + info_off, info_sz).tobytes() # handle data-less record if begin & 1 == 1: @@ -125,16 +125,17 @@ class LxDmesg(gdb.Command): # skip over descriptor id text_start = begin + utils.get_long_type().sizeof - text_len = utils.read_u16(infos, info_off + len_off) + text_len = utils.read_u16(info, len_off) # handle truncated message if end - text_start < text_len: text_len = end - text_start - text = text_data[text_start:text_start + text_len].decode( - encoding='utf8', errors='replace') + text_data = utils.read_memoryview(inf, text_data_addr + text_start, + text_len).tobytes() + text = text_data[0:text_len].decode(encoding='utf8', errors='replace') - time_stamp = utils.read_u64(infos, info_off + ts_off) + time_stamp = utils.read_u64(info, ts_off) for line in text.splitlines(): msg = u"[{time:12.6f}] {line}\n".format( diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c index cc3625617a0e..c0d3bcb99138 100644 --- a/scripts/mod/devicetable-offsets.c +++ b/scripts/mod/devicetable-offsets.c @@ -259,5 +259,8 @@ int main(void) DEVID_FIELD(dfl_device_id, type); DEVID_FIELD(dfl_device_id, feature_id); + DEVID(ishtp_device_id); + DEVID_FIELD(ishtp_device_id, guid); + return 0; } diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 49aba862073e..5258247d78ac 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -115,6 +115,17 @@ static inline void add_uuid(char *str, uuid_le uuid) uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]); } +static inline void add_guid(char *str, guid_t guid) +{ + int len = strlen(str); + + sprintf(str + len, "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X", + guid.b[3], guid.b[2], guid.b[1], guid.b[0], + guid.b[5], guid.b[4], guid.b[7], guid.b[6], + guid.b[8], guid.b[9], guid.b[10], guid.b[11], + guid.b[12], guid.b[13], guid.b[14], guid.b[15]); +} + /** * Check that sizeof(device_id type) are consistent with size of section * in .o file. If in-consistent then userspace and kernel does not agree @@ -1380,6 +1391,18 @@ static int do_mhi_entry(const char *filename, void *symval, char *alias) return 1; } +/* Looks like: ishtp:{guid} */ +static int do_ishtp_entry(const char *filename, void *symval, char *alias) +{ + DEF_FIELD(symval, ishtp_device_id, guid); + + strcpy(alias, ISHTP_MODULE_PREFIX "{"); + add_guid(alias, guid); + strcat(alias, "}"); + + return 1; +} + static int do_auxiliary_entry(const char *filename, void *symval, char *alias) { DEF_FIELD_ADDR(symval, auxiliary_device_id, name); @@ -1499,6 +1522,7 @@ static const struct devtable devtable[] = { {"auxiliary", SIZE_auxiliary_device_id, do_auxiliary_entry}, {"ssam", SIZE_ssam_device_id, do_ssam_entry}, {"dfl", SIZE_dfl_device_id, do_dfl_entry}, + {"ishtp", SIZE_ishtp_device_id, do_ishtp_entry}, }; /* Create MODULE_ALIAS() statements. diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 7d631aaa0ae1..3ccb2c70add4 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -219,7 +219,7 @@ if ($arch eq "x86_64") { } elsif ($arch eq "s390" && $bits == 64) { if ($cc =~ /-DCC_USING_HOTPATCH/) { - $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*c0 04 00 00 00 00\\s*brcl\\s*0,[0-9a-f]+ <([^\+]*)>\$"; + $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*c0 04 00 00 00 00\\s*(brcl\\s*0,|jgnop\\s*)[0-9a-f]+ <([^\+]*)>\$"; $mcount_adjust = 0; } $alignment = 8; diff --git a/scripts/remove-stale-files b/scripts/remove-stale-files index 0114c41e6938..80430b8fb617 100755 --- a/scripts/remove-stale-files +++ b/scripts/remove-stale-files @@ -24,7 +24,7 @@ set -e # with O=, make sure to remove the stale files in the output tree. Otherwise, # the build system wrongly compiles the stale ones. if [ -n "${building_out_of_srctree}" ]; then - for f in fdt_rw.c fdt_ro.c fdt_wip.c fdt.c + for f in fdt_rw.c fdt_ro.c fdt_wip.c fdt.c ashldi3.S bswapsdi2.S font.c lib1funcs.S hyp-stub.S do rm -f arch/arm/boot/compressed/${f} done @@ -33,4 +33,9 @@ if [ -n "${building_out_of_srctree}" ]; then do rm -f arch/mips/boot/compressed/${f} done + + for f in firmware.c real2.S + do + rm -f arch/parisc/boot/compressed/${f} + done fi diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install index 288e86a9d1e5..f126ecbb0494 100755 --- a/scripts/sphinx-pre-install +++ b/scripts/sphinx-pre-install @@ -78,6 +78,7 @@ my %texlive = ( 'ucs.sty' => 'texlive-ucs', 'upquote.sty' => 'texlive-upquote', 'wrapfig.sty' => 'texlive-wrapfig', + 'ctexhook.sty' => 'texlive-ctex', ); # @@ -369,6 +370,9 @@ sub give_debian_hints() ); if ($pdf) { + check_missing_file(["/usr/share/texlive/texmf-dist/tex/latex/ctex/ctexhook.sty"], + "texlive-lang-chinese", 2); + check_missing_file(["/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf"], "fonts-dejavu", 2); |