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/linux/net/ipv6/ila/
H A Dila_common.c44 __wsum diff, fval; in ila_csum_do_neutral_fmt() local
46 diff = get_csum_diff_iaddr(iaddr, p); in ila_csum_do_neutral_fmt()
51 diff = csum_add(diff, fval); in ila_csum_do_neutral_fmt()
53 *adjust = ~csum_fold(csum_add(diff, csum_unfold(*adjust))); in ila_csum_do_neutral_fmt()
67 __wsum diff; in ila_csum_do_neutral_nofmt() local
69 diff = get_csum_diff_iaddr(iaddr, p); in ila_csum_do_neutral_nofmt()
71 *adjust = ~csum_fold(csum_add(diff, csum_unfold(*adjust))); in ila_csum_do_neutral_nofmt()
79 __wsum diff; in ila_csum_adjust_transport() local
87 diff = get_csum_diff(ip6h, p); in ila_csum_adjust_transport()
89 diff, true, true); in ila_csum_adjust_transport()
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/linux/drivers/gpu/drm/vmwgfx/
H A Dvmwgfx_blit.c248 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n) in vmw_memcpy() argument
261 static void vmw_adjust_rect(struct vmw_diff_cpy *diff, size_t diff_offs) in vmw_adjust_rect() argument
263 size_t offs = (diff_offs + diff->line_offset) / diff->cpp; in vmw_adjust_rect()
264 struct drm_rect *rect = &diff->rect; in vmw_adjust_rect()
268 rect->y1 = min_t(int, rect->y1, diff->line); in vmw_adjust_rect()
269 rect->y2 = max_t(int, rect->y2, diff->line + 1); in vmw_adjust_rect()
290 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, in vmw_diff_memcpy() argument
295 if (WARN_ON_ONCE(round_down(n, diff->cpp) != n)) in vmw_diff_memcpy()
299 csize = vmw_find_first_diff(dest, src, n, diff->cpp); in vmw_diff_memcpy()
301 vmw_adjust_rect(diff, csize); in vmw_diff_memcpy()
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/linux/arch/x86/math-emu/
H A Dreg_add_sub.c45 int diff, tag, expa, expb; in FPU_add() local
59 diff = expa - expb; in FPU_add()
60 if (!diff) { in FPU_add()
61 diff = a->sigh - b->sigh; /* This works only if the ms bits in FPU_add()
63 if (!diff) { in FPU_add()
64 diff = a->sigl > b->sigl; in FPU_add()
65 if (!diff) in FPU_add()
66 diff = -(a->sigl < b->sigl); in FPU_add()
70 if (diff > 0) { in FPU_add()
74 } else if (diff < 0) { in FPU_add()
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/linux/tools/perf/scripts/python/
H A Dpowerpc-hcalls.py176 diff = nsecs(sec, nsec) - d_enter[cpu][opcode]
179 output[opcode]['time'] += diff
181 if (output[opcode]['min'] > diff):
182 output[opcode]['min'] = diff
183 if (output[opcode]['max'] < diff):
184 output[opcode]['max'] = diff
187 'time': diff,
189 'min': diff,
190 'max': diff,
/linux/tools/perf/bench/
H A Duprobe.c112 static int bench_uprobe_format__default_fprintf(const char *name, const char *unit, u64 diff, FILE … in bench_uprobe_format__default_fprintf() argument
115 s64 diff_to_baseline = diff - baseline, in bench_uprobe_format__default_fprintf()
116 diff_to_previous = diff - previous; in bench_uprobe_format__default_fprintf()
119 printed += fprintf(fp, " %14s: %'" PRIu64 " %ss", "Total time", diff, unit); in bench_uprobe_format__default_fprintf()
128 printed += fprintf(fp, "\n\n %'.3f %ss/op", (double)diff / (double)loops, unit); in bench_uprobe_format__default_fprintf()
136 baseline = diff; in bench_uprobe_format__default_fprintf()
141 previous = diff; in bench_uprobe_format__default_fprintf()
150 u64 diff; in bench_uprobe() local
166 diff = end.tv_sec * NSEC_PER_SEC + end.tv_nsec - (start.tv_sec * NSEC_PER_SEC + start.tv_nsec); in bench_uprobe()
167 diff /= NSEC_PER_USEC; in bench_uprobe()
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H A Dbreakpoint.c118 struct timeval start, stop, diff; in bench_breakpoint_thread() local
148 timersub(&stop, &start, &diff); in bench_breakpoint_thread()
158 (long)diff.tv_sec, (long)(diff.tv_usec / USEC_PER_MSEC)); in bench_breakpoint_thread()
159 result_usec = diff.tv_sec * USEC_PER_SEC + diff.tv_usec; in bench_breakpoint_thread()
167 printf("%lu.%03lu\n", (long)diff.tv_sec, (long)(diff.tv_usec / USEC_PER_MSEC)); in bench_breakpoint_thread()
204 struct timeval start, stop, diff; in bench_breakpoint_enable() local
238 timersub(&stop, &start, &diff); in bench_breakpoint_enable()
250 (long)diff.tv_sec, (long)(diff.tv_usec / USEC_PER_MSEC)); in bench_breakpoint_enable()
251 result_usec = diff.tv_sec * USEC_PER_SEC + diff.tv_usec; in bench_breakpoint_enable()
255 printf("%lu.%03lu\n", (long)diff.tv_sec, (long)(diff.tv_usec / USEC_PER_MSEC)); in bench_breakpoint_enable()
H A Dsyscall.c77 struct timeval start, stop, diff; in bench_syscall_common() local
117 timersub(&stop, &start, &diff); in bench_syscall_common()
140 result_usec = diff.tv_sec * 1000000; in bench_syscall_common()
141 result_usec += diff.tv_usec; in bench_syscall_common()
144 (unsigned long) diff.tv_sec, in bench_syscall_common()
145 (unsigned long) (diff.tv_usec/1000)); in bench_syscall_common()
156 (unsigned long) diff.tv_sec, in bench_syscall_common()
157 (unsigned long) (diff.tv_usec / 1000)); in bench_syscall_common()
H A Dsched-seccomp-notify.c97 struct timeval start, stop, diff; in bench_sched_seccomp_notify() local
143 timersub(&stop, &start, &diff); in bench_sched_seccomp_notify()
150 result_usec = diff.tv_sec * USEC_PER_SEC; in bench_sched_seccomp_notify()
151 result_usec += diff.tv_usec; in bench_sched_seccomp_notify()
154 (unsigned long) diff.tv_sec, in bench_sched_seccomp_notify()
155 (unsigned long) (diff.tv_usec / USEC_PER_MSEC)); in bench_sched_seccomp_notify()
166 (unsigned long) diff.tv_sec, in bench_sched_seccomp_notify()
167 (unsigned long) (diff.tv_usec / USEC_PER_MSEC)); in bench_sched_seccomp_notify()
H A Dfind-bit-bench.c58 struct timeval start, end, diff; in do_for_each_set_bit() local
86 timersub(&end, &start, &diff); in do_for_each_set_bit()
87 runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec; in do_for_each_set_bit()
102 timersub(&end, &start, &diff); in do_for_each_set_bit()
103 runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec; in do_for_each_set_bit()
/linux/tools/testing/selftests/vDSO/
H A Dvdso_test_getrandom.c178 struct timespec start, end, diff; in bench_single() local
183 timespecsub(&end, &start, &diff); in bench_single()
184 printf(" vdso: %u times in %lu.%09lu seconds\n", TRIALS, diff.tv_sec, diff.tv_nsec); in bench_single()
189 timespecsub(&end, &start, &diff); in bench_single()
190 printf(" libc: %u times in %lu.%09lu seconds\n", TRIALS, diff.tv_sec, diff.tv_nsec); in bench_single()
195 timespecsub(&end, &start, &diff); in bench_single()
196 printf("syscall: %u times in %lu.%09lu seconds\n", TRIALS, diff.tv_sec, diff.tv_nsec); in bench_single()
201 struct timespec start, end, diff; in bench_multi() local
210 timespecsub(&end, &start, &diff); in bench_multi()
211 …printf(" vdso: %u x %u times in %lu.%09lu seconds\n", TRIALS, THREADS, diff.tv_sec, diff.tv_nsec… in bench_multi()
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/linux/fs/hfs/
H A Dsysdep.c20 int diff; in hfs_revalidate_dentry() local
30 diff = sys_tz.tz_minuteswest * 60 - HFS_I(inode)->tz_secondswest; in hfs_revalidate_dentry()
31 if (diff) { in hfs_revalidate_dentry()
34 inode_set_ctime(inode, ts.tv_sec + diff, ts.tv_nsec); in hfs_revalidate_dentry()
36 inode_set_atime(inode, ts.tv_sec + diff, ts.tv_nsec); in hfs_revalidate_dentry()
38 inode_set_mtime(inode, ts.tv_sec + diff, ts.tv_nsec); in hfs_revalidate_dentry()
39 HFS_I(inode)->tz_secondswest += diff; in hfs_revalidate_dentry()
/linux/include/sound/
H A Dpcm-indirect.h40 snd_pcm_sframes_t diff = appl_ptr - rec->appl_ptr; in snd_pcm_indirect_playback_transfer() local
43 if (diff) { in snd_pcm_indirect_playback_transfer()
44 if (diff < -(snd_pcm_sframes_t) (runtime->boundary / 2)) in snd_pcm_indirect_playback_transfer()
45 diff += runtime->boundary; in snd_pcm_indirect_playback_transfer()
46 if (diff < 0) in snd_pcm_indirect_playback_transfer()
48 rec->sw_ready += (int)frames_to_bytes(runtime, diff); in snd_pcm_indirect_playback_transfer()
114 snd_pcm_sframes_t diff = appl_ptr - rec->appl_ptr; in snd_pcm_indirect_capture_transfer() local
116 if (diff) { in snd_pcm_indirect_capture_transfer()
117 if (diff < -(snd_pcm_sframes_t) (runtime->boundary / 2)) in snd_pcm_indirect_capture_transfer()
118 diff += runtime->boundary; in snd_pcm_indirect_capture_transfer()
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/linux/drivers/iio/adc/
H A Dad7380.c320 #define _AD7380_CHANNEL(index, bits, diff, sign, gain) { \ argument
324 ((diff) ? 0 : BIT(IIO_CHAN_INFO_OFFSET)), \
330 .differential = (diff), \
331 .channel = (diff) ? (2 * (index)) : (index), \
332 .channel2 = (diff) ? (2 * (index) + 1) : 0, \
341 #define _AD7380_OFFLOAD_CHANNEL(index, bits, diff, sign, gain) { \ argument
345 ((diff) ? 0 : BIT(IIO_CHAN_INFO_OFFSET)), \
353 .differential = (diff), \
354 .channel = (diff) ? (2 * (index)) : (index), \
355 .channel2 = (diff) ? (2 * (index) + 1) : 0, \
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/linux/tools/perf/util/bpf_skel/
H A Dbpf_prog_profiler.bpf.c55 struct bpf_perf_event_value *before, diff; in fexit_update_maps() local
63 diff.counter = after->counter - before->counter; in fexit_update_maps()
64 diff.enabled = after->enabled - before->enabled; in fexit_update_maps()
65 diff.running = after->running - before->running; in fexit_update_maps()
69 accum->counter += diff.counter; in fexit_update_maps()
70 accum->enabled += diff.enabled; in fexit_update_maps()
71 accum->running += diff.running; in fexit_update_maps()
/linux/drivers/net/fddi/skfp/
H A Dhwt.c221 long diff ; in hwt_wait_time() local
236 diff = (long)(start - hwt_quick_read(smc)) ; in hwt_wait_time()
237 if (diff < 0) { in hwt_wait_time()
238 diff += interval ; in hwt_wait_time()
240 } while (diff <= duration) ; in hwt_wait_time()
243 diff = interval ; in hwt_wait_time()
248 diff += interval ; in hwt_wait_time()
257 } while (diff <= duration) ; in hwt_wait_time()
/linux/net/batman-adv/
H A Dbitarray.h30 s32 diff; in batadv_test_bit() local
32 diff = last_seqno - curr_seqno; in batadv_test_bit()
33 if (diff < 0 || diff >= BATADV_TQ_LOCAL_WINDOW_SIZE) in batadv_test_bit()
35 return test_bit(diff, seq_bits) != 0; in batadv_test_bit()
/linux/tools/perf/
H A Dbuiltin-diff.c285 pair->diff.period_ratio_delta = new_percent - old_percent; in compute_delta()
286 pair->diff.computed = true; in compute_delta()
287 return pair->diff.period_ratio_delta; in compute_delta()
295 pair->diff.computed = true; in compute_ratio()
296 pair->diff.period_ratio = new_period / old_period; in compute_ratio()
297 return pair->diff.period_ratio; in compute_ratio()
305 pair->diff.computed = true; in compute_wdiff()
306 pair->diff.wdiff = new_period * compute_wdiff_w2 - in compute_wdiff()
309 return pair->diff.wdiff; in compute_wdiff()
560 l = llabs(left->diff.cycles); in block_cycles_diff_cmp()
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/linux/include/net/
H A Dseg6.h20 __be32 diff[] = { ~from, to }; in update_csum_diff4() local
22 skb->csum = ~csum_partial((char *)diff, sizeof(diff), ~skb->csum); in update_csum_diff4()
28 __be32 diff[] = { in update_csum_diff16() local
33 skb->csum = ~csum_partial((char *)diff, sizeof(diff), ~skb->csum); in update_csum_diff16()
/linux/
H A D.gitattributes2 *.[ch] diff=cpp
3 *.dts diff=dts
4 *.dts[io] diff=dts
5 *.rs diff=rust
/linux/tools/bpf/bpftool/skeleton/
H A Dprofiler.bpf.c79 struct bpf_perf_event_value___local *before, diff; in fexit_update_maps() local
86 diff.counter = after->counter - before->counter; in fexit_update_maps()
87 diff.enabled = after->enabled - before->enabled; in fexit_update_maps()
88 diff.running = after->running - before->running; in fexit_update_maps()
92 accum->counter += diff.counter; in fexit_update_maps()
93 accum->enabled += diff.enabled; in fexit_update_maps()
94 accum->running += diff.running; in fexit_update_maps()
/linux/drivers/video/fbdev/geode/
H A Dvideo_cs5530.c73 long min, diff; in cs5530_set_dclk_frequency() local
80 diff = cs5530_pll_table[i].pixclock - info->var.pixclock; in cs5530_set_dclk_frequency()
81 if (diff < 0L) diff = -diff; in cs5530_set_dclk_frequency()
82 if (diff < min) { in cs5530_set_dclk_frequency()
83 min = diff; in cs5530_set_dclk_frequency()
/linux/drivers/net/ethernet/broadcom/bnx2x/
H A Dbnx2x_stats.h396 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
397 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
400 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
401 pstats->mac_stx[1].t##_lo, diff.lo); \
406 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
407 diff.lo, new->s##_lo, old->s##_lo); \
408 ADD_64(estats->t##_hi, diff.hi, \
409 estats->t##_lo, diff.lo); \
419 #define ADD_STAT64(diff, t) \ argument
421 ADD_64(pstats->mac_stx[1].t##_hi, new->diff##_hi, \
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/linux/tools/testing/selftests/timers/
H A Drtcpie.c35 struct timeval start, end, diff; in main() local
111 timersub(&end, &start, &diff); in main()
112 if (diff.tv_sec > 0 || in main()
113 diff.tv_usec > ((1000000L / tmp) * 1.10)) { in main()
115 diff.tv_sec, diff.tv_usec, in main()
/linux/drivers/net/ethernet/pensando/ionic/
H A Dionic_phc.c524 u64 delay, diff, mult; in ionic_lif_alloc_phc() local
567 diff = U64_MAX / phc->cc.mult / 2; in ionic_lif_alloc_phc()
570 diff = (u64)IONIC_PHC_UPDATE_NS << (phc->cc.shift + 2); in ionic_lif_alloc_phc()
571 diff = DIV_ROUND_UP(diff, phc->cc.mult); in ionic_lif_alloc_phc()
575 diff |= diff >> 1; in ionic_lif_alloc_phc()
576 diff |= diff >> 2; in ionic_lif_alloc_phc()
577 diff |= diff >> 4; in ionic_lif_alloc_phc()
578 diff |= diff >> 8; in ionic_lif_alloc_phc()
579 diff |= diff >> 16; in ionic_lif_alloc_phc()
580 diff |= diff >> 32; in ionic_lif_alloc_phc()
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/linux/include/linux/
H A Drmap.h202 int diff, mm_id_t mm_id) in __folio_large_mapcount_sanity_checks() argument
205 VM_WARN_ON_ONCE(diff <= 0); in __folio_large_mapcount_sanity_checks()
214 VM_WARN_ON_ONCE(diff > folio_large_nr_pages(folio)); in __folio_large_mapcount_sanity_checks()
244 int diff, struct vm_area_struct *vma) in folio_add_return_large_mapcount() argument
250 __folio_large_mapcount_sanity_checks(folio, diff, mm_id); in folio_add_return_large_mapcount()
252 new_mapcount_val = atomic_read(&folio->_large_mapcount) + diff; in folio_add_return_large_mapcount()
263 folio->_mm_id_mapcount[0] += diff; in folio_add_return_large_mapcount()
270 folio->_mm_id_mapcount[1] += diff; in folio_add_return_large_mapcount()
278 folio->_mm_id_mapcount[0] = diff - 1; in folio_add_return_large_mapcount()
280 if (new_mapcount_val != diff - 1) in folio_add_return_large_mapcount()
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