Minor conflict in tools/perf/arch/arm/util/auxtrace.c as one fix there was cherry-picked for the last perf/urgent pull req to Linus, so was already there.
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| @@ -3171,13 +3171,12 @@ union bpf_attr { · 3170 unmodified lines | |||
| 3171 | * int bpf_ringbuf_output(void *ringbuf, void *data, u64 size, u64 flags) | 3171 | * int bpf_ringbuf_output(void *ringbuf, void *data, u64 size, u64 flags) |
| 3172 | * Description | 3172 | * Description |
| 3173 | * Copy *size* bytes from *data* into a ring buffer *ringbuf*. | 3173 | * Copy *size* bytes from *data* into a ring buffer *ringbuf*. |
| 3174 | * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of | 3174 | * If **BPF_RB_NO_WAKEUP** is specified in *flags*, no notification |
| 3175 | * new data availability is sent. | 3175 | * of new data availability is sent. |
| 3176 | * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of | 3176 | * If **BPF_RB_FORCE_WAKEUP** is specified in *flags*, notification |
| 3177 | * new data availability is sent unconditionally. | 3177 | * of new data availability is sent unconditionally. |
| 3178 | * Return | 3178 | * Return |
| 3179 | * 0, on success; | 3179 | * 0 on success, or a negative error in case of failure. |
| 3180 | * < 0, on error. | ||
| 3181 | * | 3180 | * |
| 3182 | * void *bpf_ringbuf_reserve(void *ringbuf, u64 size, u64 flags) | 3181 | * void *bpf_ringbuf_reserve(void *ringbuf, u64 size, u64 flags) |
| 3183 | * Description | 3182 | * Description |
| @@ -3189,20 +3188,20 @@ union bpf_attr { · 5 unmodified lines | |||
| 3189 | * void bpf_ringbuf_submit(void *data, u64 flags) | 3188 | * void bpf_ringbuf_submit(void *data, u64 flags) |
| 3190 | * Description | 3189 | * Description |
| 3191 | * Submit reserved ring buffer sample, pointed to by *data*. | 3190 | * Submit reserved ring buffer sample, pointed to by *data*. |
| 3192 | * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of | 3191 | * If **BPF_RB_NO_WAKEUP** is specified in *flags*, no notification |
| 3193 | * new data availability is sent. | 3192 | * of new data availability is sent. |
| 3194 | * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of | 3193 | * If **BPF_RB_FORCE_WAKEUP** is specified in *flags*, notification |
| 3195 | * new data availability is sent unconditionally. | 3194 | * of new data availability is sent unconditionally. |
| 3196 | * Return | 3195 | * Return |
| 3197 | * Nothing. Always succeeds. | 3196 | * Nothing. Always succeeds. |
| 3198 | * | 3197 | * |
| 3199 | * void bpf_ringbuf_discard(void *data, u64 flags) | 3198 | * void bpf_ringbuf_discard(void *data, u64 flags) |
| 3200 | * Description | 3199 | * Description |
| 3201 | * Discard reserved ring buffer sample, pointed to by *data*. | 3200 | * Discard reserved ring buffer sample, pointed to by *data*. |
| 3202 | * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of | 3201 | * If **BPF_RB_NO_WAKEUP** is specified in *flags*, no notification |
| 3203 | * new data availability is sent. | 3202 | * of new data availability is sent. |
| 3204 | * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of | 3203 | * If **BPF_RB_FORCE_WAKEUP** is specified in *flags*, notification |
| 3205 | * new data availability is sent unconditionally. | 3204 | * of new data availability is sent unconditionally. |
| 3206 | * Return | 3205 | * Return |
| 3207 | * Nothing. Always succeeds. | 3206 | * Nothing. Always succeeds. |
| 3208 | * | 3207 | * |
| @@ -3210,16 +3209,18 @@ union bpf_attr { · 1 unmodified line | |||
| 3210 | * Description | 3209 | * Description |
| 3211 | * Query various characteristics of provided ring buffer. What | 3210 | * Query various characteristics of provided ring buffer. What |
| 3212 | * exactly is queries is determined by *flags*: | 3211 | * exactly is queries is determined by *flags*: |
| 3213 | * - BPF_RB_AVAIL_DATA - amount of data not yet consumed; | 3212 | * |
| 3214 | * - BPF_RB_RING_SIZE - the size of ring buffer; | 3213 | * * **BPF_RB_AVAIL_DATA**: Amount of data not yet consumed. |
| 3215 | * - BPF_RB_CONS_POS - consumer position (can wrap around); | 3214 | * * **BPF_RB_RING_SIZE**: The size of ring buffer. |
| 3216 | * - BPF_RB_PROD_POS - producer(s) position (can wrap around); | 3215 | * * **BPF_RB_CONS_POS**: Consumer position (can wrap around). |
| 3217 | * Data returned is just a momentary snapshots of actual values | 3216 | * * **BPF_RB_PROD_POS**: Producer(s) position (can wrap around). |
| 3217 | * | ||
| 3218 | * Data returned is just a momentary snapshot of actual values | ||
| 3218 | * and could be inaccurate, so this facility should be used to | 3219 | * and could be inaccurate, so this facility should be used to |
| 3219 | * power heuristics and for reporting, not to make 100% correct | 3220 | * power heuristics and for reporting, not to make 100% correct |
| 3220 | * calculation. | 3221 | * calculation. |
| 3221 | * Return | 3222 | * Return |
| 3222 | * Requested value, or 0, if flags are not recognized. | 3223 | * Requested value, or 0, if *flags* are not recognized. |
| 3223 | * | 3224 | * |
| 3224 | * int bpf_csum_level(struct sk_buff *skb, u64 level) | 3225 | * int bpf_csum_level(struct sk_buff *skb, u64 level) |
| 3225 | * Description | 3226 | * Description |