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/linux/net/ipv4/
H A Dtcp_yeah.c142 u32 reduction = min(queue / TCP_YEAH_GAMMA , in tcp_yeah_cong_avoid() local
145 tcp_snd_cwnd_set(tp, tcp_snd_cwnd(tp) - reduction); in tcp_yeah_cong_avoid()
191 u32 reduction; in tcp_yeah_ssthresh() local
194 reduction = yeah->lastQ; in tcp_yeah_ssthresh()
196 reduction = min(reduction, max(tcp_snd_cwnd(tp)>>1, 2U)); in tcp_yeah_ssthresh()
198 reduction = max(reduction, tcp_snd_cwnd(tp) >> TCP_YEAH_DELTA); in tcp_yeah_ssthresh()
200 reduction = max(tcp_snd_cwnd(tp)>>1, 2U); in tcp_yeah_ssthresh()
205 return max_t(int, tcp_snd_cwnd(tp) - reduction, 2); in tcp_yeah_ssthresh()
/linux/lib/crc/s390/
H A Dcrc32be-vx.c28 * The CRC-32 constant block contains reduction constants to fold and
41 * Barret reduction constant, u, is defined as floor(x**64 / P(x)).
101 * the reduction constants in V0. The intermediate result is in crc32_be_vgfm_16()
131 * XORed with the intermediate reduction result. in crc32_be_vgfm_16()
140 * the Barret reduction. in crc32_be_vgfm_16()
145 * The input values to the Barret reduction are the degree-63 polynomial in crc32_be_vgfm_16()
146 * in V1 (R(x)), degree-32 generator polynomial, and the reduction in crc32_be_vgfm_16()
147 * constant u. The Barret reduction result is the CRC value of R(x) mod in crc32_be_vgfm_16()
150 * The Barret reduction algorithm is defined as: in crc32_be_vgfm_16()
H A Dcrc32le-vx.c29 * The CRC-32 constant block contains reduction constants to fold and
42 * The bitreflected Barret reduction constant, u', is defined as
126 * the R1 and R2 reduction constants in V0. The intermediate in crc32_le_vgfm_generic()
199 * Apply a Barret reduction to compute the final 32-bit CRC value. in crc32_le_vgfm_generic()
201 * The input values to the Barret reduction are the degree-63 polynomial in crc32_le_vgfm_generic()
202 * in V1 (R(x)), degree-32 generator polynomial, and the reduction in crc32_le_vgfm_generic()
203 * constant u. The Barret reduction result is the CRC value of R(x) mod in crc32_le_vgfm_generic()
206 * The Barret reduction algorithm is defined as: in crc32_le_vgfm_generic()
/linux/kernel/configs/
H A Dhardening.config4 # attack surface reduction options. They are expected to have low (or
89 # Provide userspace with seccomp BPF API for syscall attack surface reduction.
100 # Attack surface reduction: do not autoload TTY line disciplines.
112 # Attack surface reduction: Use the modern PTY interface (devpts) only.
/linux/Documentation/devicetree/bindings/sound/
H A Dst,sta32x.txt67 If present, power bridge correction for THD reduction near maximum
70 - st,am-reduction-mode:
71 If present, FFX mode runs in AM reduction mode, otherwise normal
97 // correction for THD reduction
H A Dst,sta350.txt71 If present, power bridge correction for THD reduction near maximum
74 - st,am-reduction-mode:
75 If present, FFX mode runs in AM reduction mode, otherwise normal
127 // correction for THD reduction
/linux/Documentation/arch/riscv/
H A Dhwprobe.rst39 CPU set returned is the reduction of all the online CPUs which can be
221 extensions for code size reduction, as ratified in commit 8be3419c1c0
223 riscv-code-size-reduction.
226 extensions for code size reduction, as ratified in commit 8be3419c1c0
228 riscv-code-size-reduction.
231 extensions for code size reduction, as ratified in commit 8be3419c1c0
233 riscv-code-size-reduction.
236 extensions for code size reduction, as ratified in commit 8be3419c1c0
238 riscv-code-size-reduction.
/linux/arch/arm64/crypto/
H A Dsm4-ce-gcm-core.S100 #define REDUCTION(a, r0, r1, rconst, T0, T1) \ macro
229 REDUCTION(RHASH, RR0, RR1, RRCONST, RTMP2, RTMP3); \
283 REDUCTION(RH2, RR0, RR1, RRCONST, RTMP2, RTMP3)
287 REDUCTION(RH3, RR0, RR1, RRCONST, RTMP2, RTMP3)
291 REDUCTION(RH4, RR0, RR1, RRCONST, RTMP2, RTMP3)
349 REDUCTION(RHASH, RR0, RR1, RRCONST, RTMP0, RTMP1)
362 REDUCTION(RHASH, RR0, RR1, RRCONST, RTMP2, RTMP3)
452 REDUCTION(RHASH, RR0, RR1, RRCONST, RTMP0, RTMP1)
477 REDUCTION(RHASH, RR0, RR1, RRCONST, RTMP2, RTMP3)
515 REDUCTION(RHASH, RR0, RR1, RRCONST, RTMP2, RTMP3)
[all …]
H A Dpolyval-ce-core.S17 * In the second step, we compute the reduction of p(x) modulo the finite field
22 * two-step process only requires 1 finite field reduction for every 8
86 * This step is done when computing the polynomial reduction for efficiency
154 * Computes the 128-bit reduction of PH : PL. Stores the result in dest.
211 * If reduce is set, also computes the montgomery reduction of the
/linux/drivers/staging/media/atomisp/include/linux/
H A Datomisp.h60 /* Configuration used by Bayer noise reduction and YCC noise reduction */
62 /* [gain] Strength of noise reduction for Bayer NR (Used by Bayer NR) */
64 /* [gain] Strength of noise reduction for YCC NR (Used by YCC NR) */
74 /* Temporal noise reduction configuration */
406 struct atomisp_tnr_config *tnr_config; /* Temporal Noise Reduction */
408 struct atomisp_ynr_config *ynr_config; /* Y(Luma) Noise Reduction */
411 struct atomisp_cnr_config *cnr_config; /* Chroma Noise Reduction */
420 struct atomisp_nr_config *nr_config; /* Noise Reduction config */
424 struct atomisp_anr_config *anr_config; /* Advanced Noise Reduction */
426 struct atomisp_xnr_config *xnr_config; /* eXtra Noise Reduction */
/linux/include/media/i2c/
H A Dupd64031a.h3 * upd64031a - NEC Electronics Ghost Reduction input defines
11 /* Ghost reduction modes */
H A Dupd64083.h22 upd64031a ghost reduction device. If this device is not present, or
41 combination with the upd64031a ghost reduction device.
/linux/include/linux/usb/
H A Dmidi-v2.h41 #define USB_MS_MIDI_PROTO_1_0_64_JRTS 0x02 /* MIDI 1.0, UMP up to 64bits, Jitter Reduction Timestam…
43 #define USB_MS_MIDI_PROTO_1_0_128_JRTS 0x04 /* MIDI 1.0, UMP up to 128bits, Jitter Reduction Timest…
45 #define USB_MS_MIDI_PROTO_2_0_JRTS 0x12 /* MIDI 2.0, Jitter Reduction Timestamps */
/linux/Documentation/userspace-api/media/drivers/
H A Dthp7312.rst35 Enable/Disable auto noise reduction.
38 Set the noise reduction strength, where 0 is the weakest and 10 is the
/linux/tools/perf/pmu-events/arch/arm64/fujitsu/monaka/
H A Dfp_operation.json179 …: "This event counts architecturally executed SVE floating-point accumulating reduction operation."
187 …ption": "This event counts architecturally executed SVE floating-point vector reduction operation."
191 …nt counts architecturally executed Advanced SIMD or SVE floating-point vector reduction operation."
211 …his event counts architecturally executed Advanced SIMD floating-point vector reduction operation."
H A Dsve.json96 …scription": "This event counts architecturally executed Advanced SIMD integer reduction operation."
100 … "BriefDescription": "This event counts architecturally executed SVE integer reduction operation."
104 …on": "This event counts architecturally executed Advanced SIMD or SVE integer reduction operation."
/linux/include/crypto/
H A Decc_curve.h28 * @p: Prime number, if Barrett's reduction is used for this curve
30 * Use of Barrett's reduction is heuristically determined in
/linux/arch/x86/crypto/
H A Dpolyval-clmulni_asm.S15 * In the second step, we compute the reduction of p(x) modulo the finite field
20 * two-step process only requires 1 finite field reduction for every 8
81 * This step is done when computing the polynomial reduction for efficiency
128 * Computes the 128-bit reduction of PH : PL. Stores the result in dest.
178 * If reduce is set, also computes the montgomery reduction of the
/linux/Documentation/devicetree/bindings/phy/
H A Dphy-stm32-usbphyc.yaml122 st,enable-hs-rftime-reduction:
123 description: Enables the HS rise/fall reduction feature
260 st,enable-hs-rftime-reduction;
278 st,enable-hs-rftime-reduction;
/linux/drivers/staging/media/atomisp/pci/isp/kernels/bnr/bnr_1.0/
H A Dia_css_bnr.host.c21 /* BNR (Bayer Noise Reduction) */ in ia_css_bnr_encode()
41 ia_css_debug_dtrace(level, "Bayer Noise Reduction:\n"); in ia_css_bnr_dump()
/linux/arch/powerpc/crypto/
H A Dghashp10-ppc.pl157 vpmsumd $t2,$Xl,$xC2 # 1st reduction phase
167 vsldoi $t1,$Xl,$Xl,8 # 2nd reduction phase
190 vpmsumd $t2,$Xl,$xC2 # 1st reduction phase
191 vpmsumd $t6,$Xl1,$xC2 # 1st reduction phase
207 vsldoi $t1,$Xl,$Xl,8 # 2nd reduction phase
208 vsldoi $t5,$Xl1,$Xl1,8 # 2nd reduction phase
/linux/arch/m68k/fpsp040/
H A Dstan.S188 |--THE ARGUMENT REDUCTION IS DONE BY TABLE LOOK UP.
292 |--IF |X| > 15PI, WE USE THE GENERAL ARGUMENT REDUCTION.
308 |--THIS REDUCTION METHOD, HOWEVER, IS MUCH FASTER THAN USING
317 |--case, reduce argument by one remainder step to make subsequent reduction
334 faddx FP_SCR2(%a6),%fp0 |high part of reduction is exact
336 faddx FP_SCR3(%a6),%fp0 |low part of reduction
/linux/tools/perf/pmu-events/arch/x86/broadwellde/
H A Duncore-interconnect.json436 "PublicDescription": "Counts the number of Inbound transactions from the IRP to the Uncore. This can be filtered based on request type in addition to the source queue. Note the special filtering equation. We do OR-reduction on the request type. If the SOURCE bit is set, then we also do AND qualification based on the source portID.; Tracks the number of atomic transactions",
446 "PublicDescription": "Counts the number of Inbound transactions from the IRP to the Uncore. This can be filtered based on request type in addition to the source queue. Note the special filtering equation. We do OR-reduction on the request type. If the SOURCE bit is set, then we also do AND qualification based on the source portID.; Tracks the number of 'other' kinds of transactions.",
456 "PublicDescription": "Counts the number of Inbound transactions from the IRP to the Uncore. This can be filtered based on request type in addition to the source queue. Note the special filtering equation. We do OR-reduction on the request type. If the SOURCE bit is set, then we also do AND qualification based on the source portID.; Tracks the number of read prefetches.",
466 "PublicDescription": "Counts the number of Inbound transactions from the IRP to the Uncore. This can be filtered based on request type in addition to the source queue. Note the special filtering equation. We do OR-reduction on the request type. If the SOURCE bit is set, then we also do AND qualification based on the source portID.; Tracks only read requests (not including read prefetches).",
476 "PublicDescription": "Counts the number of Inbound transactions from the IRP to the Uncore. This can be filtered based on request type in addition to the source queue. Note the special filtering equation. We do OR-reduction on the request type. If the SOURCE bit is set, then we also do AND qualification based on the source portID.; Tracks only write requests. Each write request should have a prefetch, so there is no need to explicitly track these requests.",
486 "PublicDescription": "Counts the number of Inbound transactions from the IRP to the Uncore. This can be filtered based on request type in addition to the source queue. Note the special filtering equation. We do OR-reduction on the request type. If the SOURCE bit is set, then we also do AND qualification based on the source portID.; Tracks the number of write prefetches.",
/linux/Documentation/ABI/testing/
H A Dsysfs-platform-hidma-mgmt65 can also cause performance reduction to other peripherals
86 can also cause performance reduction to other peripherals
/linux/Documentation/devicetree/bindings/power/avs/
H A Dqcom,cpr.yaml7 title: Qualcomm Core Power Reduction (CPR)
13 CPR (Core Power Reduction) is a technology to reduce core power on a CPU

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