* [PATCH v2 bpf-next 0/2] Support riscv libbpf USDT arg parsing logic @ 2022-04-19 14:52 ` Pu Lehui 0 siblings, 0 replies; 8+ messages in thread From: Pu Lehui @ 2022-04-19 14:52 UTC (permalink / raw) To: bpf, linux-kernel, netdev, linux-riscv Cc: andrii, ast, daniel, kafai, songliubraving, yhs, john.fastabend, kpsingh, paul.walmsley, palmer, aou, pulehui patch 1 fix a minor issue where usdt_cookie is cast to 32 bits. patch 2 add support riscv libbpf USDT argument parsing logic, both RV32 and RV64 tests have been passed as like follow: # ./test_progs -t usdt #169 usdt:OK Summary: 1/4 PASSED, 0 SKIPPED, 0 FAILED Pu Lehui (2): libbpf: Fix usdt_cookie being cast to 32 bits libbpf: Support riscv USDT argument parsing logic tools/lib/bpf/libbpf.c | 2 +- tools/lib/bpf/libbpf_internal.h | 2 +- tools/lib/bpf/usdt.c | 115 ++++++++++++++++++++++++++++++-- 3 files changed, 113 insertions(+), 6 deletions(-) -- 2.25.1 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH v2 bpf-next 0/2] Support riscv libbpf USDT arg parsing logic @ 2022-04-19 14:52 ` Pu Lehui 0 siblings, 0 replies; 8+ messages in thread From: Pu Lehui @ 2022-04-19 14:52 UTC (permalink / raw) To: bpf, linux-kernel, netdev, linux-riscv Cc: andrii, ast, daniel, kafai, songliubraving, yhs, john.fastabend, kpsingh, paul.walmsley, palmer, aou, pulehui patch 1 fix a minor issue where usdt_cookie is cast to 32 bits. patch 2 add support riscv libbpf USDT argument parsing logic, both RV32 and RV64 tests have been passed as like follow: # ./test_progs -t usdt #169 usdt:OK Summary: 1/4 PASSED, 0 SKIPPED, 0 FAILED Pu Lehui (2): libbpf: Fix usdt_cookie being cast to 32 bits libbpf: Support riscv USDT argument parsing logic tools/lib/bpf/libbpf.c | 2 +- tools/lib/bpf/libbpf_internal.h | 2 +- tools/lib/bpf/usdt.c | 115 ++++++++++++++++++++++++++++++-- 3 files changed, 113 insertions(+), 6 deletions(-) -- 2.25.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv ^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH v2 bpf-next 1/2] libbpf: Fix usdt_cookie being cast to 32 bits 2022-04-19 14:52 ` Pu Lehui @ 2022-04-19 14:52 ` Pu Lehui -1 siblings, 0 replies; 8+ messages in thread From: Pu Lehui @ 2022-04-19 14:52 UTC (permalink / raw) To: bpf, linux-kernel, netdev, linux-riscv Cc: andrii, ast, daniel, kafai, songliubraving, yhs, john.fastabend, kpsingh, paul.walmsley, palmer, aou, pulehui The usdt_cookie is defined as __u64, which should not be used as a long type because it will be cast to 32 bits in 32-bit platforms. Signed-off-by: Pu Lehui <pulehui@huawei.com> --- tools/lib/bpf/libbpf.c | 2 +- tools/lib/bpf/libbpf_internal.h | 2 +- tools/lib/bpf/usdt.c | 8 ++++---- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index bf4f7ac54..33d21ed7c 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -10982,7 +10982,7 @@ struct bpf_link *bpf_program__attach_usdt(const struct bpf_program *prog, char resolved_path[512]; struct bpf_object *obj = prog->obj; struct bpf_link *link; - long usdt_cookie; + __u64 usdt_cookie; int err; if (!OPTS_VALID(opts, bpf_uprobe_opts)) diff --git a/tools/lib/bpf/libbpf_internal.h b/tools/lib/bpf/libbpf_internal.h index 080272421..054cd8e93 100644 --- a/tools/lib/bpf/libbpf_internal.h +++ b/tools/lib/bpf/libbpf_internal.h @@ -571,6 +571,6 @@ struct bpf_link * usdt_manager_attach_usdt(struct usdt_manager *man, const struct bpf_program *prog, pid_t pid, const char *path, const char *usdt_provider, const char *usdt_name, - long usdt_cookie); + __u64 usdt_cookie); #endif /* __LIBBPF_LIBBPF_INTERNAL_H */ diff --git a/tools/lib/bpf/usdt.c b/tools/lib/bpf/usdt.c index 934c25301..8e77a7260 100644 --- a/tools/lib/bpf/usdt.c +++ b/tools/lib/bpf/usdt.c @@ -557,10 +557,10 @@ static int parse_usdt_note(Elf *elf, const char *path, long base_addr, GElf_Nhdr *nhdr, const char *data, size_t name_off, size_t desc_off, struct usdt_note *usdt_note); -static int parse_usdt_spec(struct usdt_spec *spec, const struct usdt_note *note, long usdt_cookie); +static int parse_usdt_spec(struct usdt_spec *spec, const struct usdt_note *note, __u64 usdt_cookie); static int collect_usdt_targets(struct usdt_manager *man, Elf *elf, const char *path, pid_t pid, - const char *usdt_provider, const char *usdt_name, long usdt_cookie, + const char *usdt_provider, const char *usdt_name, __u64 usdt_cookie, struct usdt_target **out_targets, size_t *out_target_cnt) { size_t off, name_off, desc_off, seg_cnt = 0, lib_seg_cnt = 0, target_cnt = 0; @@ -939,7 +939,7 @@ static int allocate_spec_id(struct usdt_manager *man, struct hashmap *specs_hash struct bpf_link *usdt_manager_attach_usdt(struct usdt_manager *man, const struct bpf_program *prog, pid_t pid, const char *path, const char *usdt_provider, const char *usdt_name, - long usdt_cookie) + __u64 usdt_cookie) { int i, fd, err, spec_map_fd, ip_map_fd; LIBBPF_OPTS(bpf_uprobe_opts, opts); @@ -1141,7 +1141,7 @@ static int parse_usdt_note(Elf *elf, const char *path, long base_addr, static int parse_usdt_arg(const char *arg_str, int arg_num, struct usdt_arg_spec *arg); -static int parse_usdt_spec(struct usdt_spec *spec, const struct usdt_note *note, long usdt_cookie) +static int parse_usdt_spec(struct usdt_spec *spec, const struct usdt_note *note, __u64 usdt_cookie) { const char *s; int len; -- 2.25.1 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v2 bpf-next 1/2] libbpf: Fix usdt_cookie being cast to 32 bits @ 2022-04-19 14:52 ` Pu Lehui 0 siblings, 0 replies; 8+ messages in thread From: Pu Lehui @ 2022-04-19 14:52 UTC (permalink / raw) To: bpf, linux-kernel, netdev, linux-riscv Cc: andrii, ast, daniel, kafai, songliubraving, yhs, john.fastabend, kpsingh, paul.walmsley, palmer, aou, pulehui The usdt_cookie is defined as __u64, which should not be used as a long type because it will be cast to 32 bits in 32-bit platforms. Signed-off-by: Pu Lehui <pulehui@huawei.com> --- tools/lib/bpf/libbpf.c | 2 +- tools/lib/bpf/libbpf_internal.h | 2 +- tools/lib/bpf/usdt.c | 8 ++++---- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index bf4f7ac54..33d21ed7c 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -10982,7 +10982,7 @@ struct bpf_link *bpf_program__attach_usdt(const struct bpf_program *prog, char resolved_path[512]; struct bpf_object *obj = prog->obj; struct bpf_link *link; - long usdt_cookie; + __u64 usdt_cookie; int err; if (!OPTS_VALID(opts, bpf_uprobe_opts)) diff --git a/tools/lib/bpf/libbpf_internal.h b/tools/lib/bpf/libbpf_internal.h index 080272421..054cd8e93 100644 --- a/tools/lib/bpf/libbpf_internal.h +++ b/tools/lib/bpf/libbpf_internal.h @@ -571,6 +571,6 @@ struct bpf_link * usdt_manager_attach_usdt(struct usdt_manager *man, const struct bpf_program *prog, pid_t pid, const char *path, const char *usdt_provider, const char *usdt_name, - long usdt_cookie); + __u64 usdt_cookie); #endif /* __LIBBPF_LIBBPF_INTERNAL_H */ diff --git a/tools/lib/bpf/usdt.c b/tools/lib/bpf/usdt.c index 934c25301..8e77a7260 100644 --- a/tools/lib/bpf/usdt.c +++ b/tools/lib/bpf/usdt.c @@ -557,10 +557,10 @@ static int parse_usdt_note(Elf *elf, const char *path, long base_addr, GElf_Nhdr *nhdr, const char *data, size_t name_off, size_t desc_off, struct usdt_note *usdt_note); -static int parse_usdt_spec(struct usdt_spec *spec, const struct usdt_note *note, long usdt_cookie); +static int parse_usdt_spec(struct usdt_spec *spec, const struct usdt_note *note, __u64 usdt_cookie); static int collect_usdt_targets(struct usdt_manager *man, Elf *elf, const char *path, pid_t pid, - const char *usdt_provider, const char *usdt_name, long usdt_cookie, + const char *usdt_provider, const char *usdt_name, __u64 usdt_cookie, struct usdt_target **out_targets, size_t *out_target_cnt) { size_t off, name_off, desc_off, seg_cnt = 0, lib_seg_cnt = 0, target_cnt = 0; @@ -939,7 +939,7 @@ static int allocate_spec_id(struct usdt_manager *man, struct hashmap *specs_hash struct bpf_link *usdt_manager_attach_usdt(struct usdt_manager *man, const struct bpf_program *prog, pid_t pid, const char *path, const char *usdt_provider, const char *usdt_name, - long usdt_cookie) + __u64 usdt_cookie) { int i, fd, err, spec_map_fd, ip_map_fd; LIBBPF_OPTS(bpf_uprobe_opts, opts); @@ -1141,7 +1141,7 @@ static int parse_usdt_note(Elf *elf, const char *path, long base_addr, static int parse_usdt_arg(const char *arg_str, int arg_num, struct usdt_arg_spec *arg); -static int parse_usdt_spec(struct usdt_spec *spec, const struct usdt_note *note, long usdt_cookie) +static int parse_usdt_spec(struct usdt_spec *spec, const struct usdt_note *note, __u64 usdt_cookie) { const char *s; int len; -- 2.25.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v2 bpf-next 2/2] libbpf: Support riscv USDT argument parsing logic 2022-04-19 14:52 ` Pu Lehui @ 2022-04-19 14:52 ` Pu Lehui -1 siblings, 0 replies; 8+ messages in thread From: Pu Lehui @ 2022-04-19 14:52 UTC (permalink / raw) To: bpf, linux-kernel, netdev, linux-riscv Cc: andrii, ast, daniel, kafai, songliubraving, yhs, john.fastabend, kpsingh, paul.walmsley, palmer, aou, pulehui Add riscv-specific USDT argument specification parsing logic. riscv USDT argument format is shown below: - Memory dereference case: "size@off(reg)", e.g. "-8@-88(s0)" - Constant value case: "size@val", e.g. "4@5" - Register read case: "size@reg", e.g. "-8@a1" s8 will be marked as poison while it's a reg of riscv, we need to alias it in advance. Both RV32 and RV64 have been tested. Signed-off-by: Pu Lehui <pulehui@huawei.com> --- v1-v2: - Add brief test results. - Make reg_map more intuitive. tools/lib/bpf/usdt.c | 107 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) diff --git a/tools/lib/bpf/usdt.c b/tools/lib/bpf/usdt.c index 8e77a7260..f1c9339cf 100644 --- a/tools/lib/bpf/usdt.c +++ b/tools/lib/bpf/usdt.c @@ -10,6 +10,11 @@ #include <linux/ptrace.h> #include <linux/kernel.h> +/* s8 will be marked as poison while it's a reg of riscv */ +#if defined(__riscv) +#define rv_s8 s8 +#endif + #include "bpf.h" #include "libbpf.h" #include "libbpf_common.h" @@ -1400,6 +1405,108 @@ static int parse_usdt_arg(const char *arg_str, int arg_num, struct usdt_arg_spec return len; } +#elif defined(__riscv) + +static int calc_pt_regs_off(const char *reg_name) +{ + static struct { + const char *name; + size_t pt_regs_off; + } reg_map[] = { + { "ra", offsetof(struct user_regs_struct, ra) }, + { "sp", offsetof(struct user_regs_struct, sp) }, + { "gp", offsetof(struct user_regs_struct, gp) }, + { "tp", offsetof(struct user_regs_struct, tp) }, + { "a0", offsetof(struct user_regs_struct, a0) }, + { "a1", offsetof(struct user_regs_struct, a1) }, + { "a2", offsetof(struct user_regs_struct, a2) }, + { "a3", offsetof(struct user_regs_struct, a3) }, + { "a4", offsetof(struct user_regs_struct, a4) }, + { "a5", offsetof(struct user_regs_struct, a5) }, + { "a6", offsetof(struct user_regs_struct, a6) }, + { "a7", offsetof(struct user_regs_struct, a7) }, + { "s0", offsetof(struct user_regs_struct, s0) }, + { "s1", offsetof(struct user_regs_struct, s1) }, + { "s2", offsetof(struct user_regs_struct, s2) }, + { "s3", offsetof(struct user_regs_struct, s3) }, + { "s4", offsetof(struct user_regs_struct, s4) }, + { "s5", offsetof(struct user_regs_struct, s5) }, + { "s6", offsetof(struct user_regs_struct, s6) }, + { "s7", offsetof(struct user_regs_struct, s7) }, + { "s8", offsetof(struct user_regs_struct, rv_s8) }, + { "s9", offsetof(struct user_regs_struct, s9) }, + { "s10", offsetof(struct user_regs_struct, s10) }, + { "s11", offsetof(struct user_regs_struct, s11) }, + { "t0", offsetof(struct user_regs_struct, t0) }, + { "t1", offsetof(struct user_regs_struct, t1) }, + { "t2", offsetof(struct user_regs_struct, t2) }, + { "t3", offsetof(struct user_regs_struct, t3) }, + { "t4", offsetof(struct user_regs_struct, t4) }, + { "t5", offsetof(struct user_regs_struct, t5) }, + { "t6", offsetof(struct user_regs_struct, t6) }, + }; + int i; + + for (i = 0; i < ARRAY_SIZE(reg_map); i++) { + if (strcmp(reg_name, reg_map[i].name) == 0) + return reg_map[i].pt_regs_off; + } + + pr_warn("usdt: unrecognized register '%s'\n", reg_name); + return -ENOENT; +} + +static int parse_usdt_arg(const char *arg_str, int arg_num, struct usdt_arg_spec *arg) +{ + char *reg_name = NULL; + int arg_sz, len, reg_off; + long off; + + if (sscanf(arg_str, " %d @ %ld ( %m[a-z0-9] ) %n", &arg_sz, &off, ®_name, &len) == 3) { + /* Memory dereference case, e.g., -8@-88(s0) */ + arg->arg_type = USDT_ARG_REG_DEREF; + arg->val_off = off; + reg_off = calc_pt_regs_off(reg_name); + free(reg_name); + if (reg_off < 0) + return reg_off; + arg->reg_off = reg_off; + } else if (sscanf(arg_str, " %d @ %ld %n", &arg_sz, &off, &len) == 2) { + /* Constant value case, e.g., 4@5 */ + arg->arg_type = USDT_ARG_CONST; + arg->val_off = off; + arg->reg_off = 0; + } else if (sscanf(arg_str, " %d @ %m[a-z0-9] %n", &arg_sz, ®_name, &len) == 2) { + /* Register read case, e.g., -8@a1 */ + arg->arg_type = USDT_ARG_REG; + arg->val_off = 0; + reg_off = calc_pt_regs_off(reg_name); + free(reg_name); + if (reg_off < 0) + return reg_off; + arg->reg_off = reg_off; + } else { + pr_warn("usdt: unrecognized arg #%d spec '%s'\n", arg_num, arg_str); + return -EINVAL; + } + + arg->arg_signed = arg_sz < 0; + if (arg_sz < 0) + arg_sz = -arg_sz; + + switch (arg_sz) { + case 1: case 2: case 4: case 8: + arg->arg_bitshift = 64 - arg_sz * 8; + break; + default: + pr_warn("usdt: unsupported arg #%d (spec '%s') size: %d\n", + arg_num, arg_str, arg_sz); + return -EINVAL; + } + + return len; +} + #else static int parse_usdt_arg(const char *arg_str, int arg_num, struct usdt_arg_spec *arg) -- 2.25.1 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v2 bpf-next 2/2] libbpf: Support riscv USDT argument parsing logic @ 2022-04-19 14:52 ` Pu Lehui 0 siblings, 0 replies; 8+ messages in thread From: Pu Lehui @ 2022-04-19 14:52 UTC (permalink / raw) To: bpf, linux-kernel, netdev, linux-riscv Cc: andrii, ast, daniel, kafai, songliubraving, yhs, john.fastabend, kpsingh, paul.walmsley, palmer, aou, pulehui Add riscv-specific USDT argument specification parsing logic. riscv USDT argument format is shown below: - Memory dereference case: "size@off(reg)", e.g. "-8@-88(s0)" - Constant value case: "size@val", e.g. "4@5" - Register read case: "size@reg", e.g. "-8@a1" s8 will be marked as poison while it's a reg of riscv, we need to alias it in advance. Both RV32 and RV64 have been tested. Signed-off-by: Pu Lehui <pulehui@huawei.com> --- v1-v2: - Add brief test results. - Make reg_map more intuitive. tools/lib/bpf/usdt.c | 107 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) diff --git a/tools/lib/bpf/usdt.c b/tools/lib/bpf/usdt.c index 8e77a7260..f1c9339cf 100644 --- a/tools/lib/bpf/usdt.c +++ b/tools/lib/bpf/usdt.c @@ -10,6 +10,11 @@ #include <linux/ptrace.h> #include <linux/kernel.h> +/* s8 will be marked as poison while it's a reg of riscv */ +#if defined(__riscv) +#define rv_s8 s8 +#endif + #include "bpf.h" #include "libbpf.h" #include "libbpf_common.h" @@ -1400,6 +1405,108 @@ static int parse_usdt_arg(const char *arg_str, int arg_num, struct usdt_arg_spec return len; } +#elif defined(__riscv) + +static int calc_pt_regs_off(const char *reg_name) +{ + static struct { + const char *name; + size_t pt_regs_off; + } reg_map[] = { + { "ra", offsetof(struct user_regs_struct, ra) }, + { "sp", offsetof(struct user_regs_struct, sp) }, + { "gp", offsetof(struct user_regs_struct, gp) }, + { "tp", offsetof(struct user_regs_struct, tp) }, + { "a0", offsetof(struct user_regs_struct, a0) }, + { "a1", offsetof(struct user_regs_struct, a1) }, + { "a2", offsetof(struct user_regs_struct, a2) }, + { "a3", offsetof(struct user_regs_struct, a3) }, + { "a4", offsetof(struct user_regs_struct, a4) }, + { "a5", offsetof(struct user_regs_struct, a5) }, + { "a6", offsetof(struct user_regs_struct, a6) }, + { "a7", offsetof(struct user_regs_struct, a7) }, + { "s0", offsetof(struct user_regs_struct, s0) }, + { "s1", offsetof(struct user_regs_struct, s1) }, + { "s2", offsetof(struct user_regs_struct, s2) }, + { "s3", offsetof(struct user_regs_struct, s3) }, + { "s4", offsetof(struct user_regs_struct, s4) }, + { "s5", offsetof(struct user_regs_struct, s5) }, + { "s6", offsetof(struct user_regs_struct, s6) }, + { "s7", offsetof(struct user_regs_struct, s7) }, + { "s8", offsetof(struct user_regs_struct, rv_s8) }, + { "s9", offsetof(struct user_regs_struct, s9) }, + { "s10", offsetof(struct user_regs_struct, s10) }, + { "s11", offsetof(struct user_regs_struct, s11) }, + { "t0", offsetof(struct user_regs_struct, t0) }, + { "t1", offsetof(struct user_regs_struct, t1) }, + { "t2", offsetof(struct user_regs_struct, t2) }, + { "t3", offsetof(struct user_regs_struct, t3) }, + { "t4", offsetof(struct user_regs_struct, t4) }, + { "t5", offsetof(struct user_regs_struct, t5) }, + { "t6", offsetof(struct user_regs_struct, t6) }, + }; + int i; + + for (i = 0; i < ARRAY_SIZE(reg_map); i++) { + if (strcmp(reg_name, reg_map[i].name) == 0) + return reg_map[i].pt_regs_off; + } + + pr_warn("usdt: unrecognized register '%s'\n", reg_name); + return -ENOENT; +} + +static int parse_usdt_arg(const char *arg_str, int arg_num, struct usdt_arg_spec *arg) +{ + char *reg_name = NULL; + int arg_sz, len, reg_off; + long off; + + if (sscanf(arg_str, " %d @ %ld ( %m[a-z0-9] ) %n", &arg_sz, &off, ®_name, &len) == 3) { + /* Memory dereference case, e.g., -8@-88(s0) */ + arg->arg_type = USDT_ARG_REG_DEREF; + arg->val_off = off; + reg_off = calc_pt_regs_off(reg_name); + free(reg_name); + if (reg_off < 0) + return reg_off; + arg->reg_off = reg_off; + } else if (sscanf(arg_str, " %d @ %ld %n", &arg_sz, &off, &len) == 2) { + /* Constant value case, e.g., 4@5 */ + arg->arg_type = USDT_ARG_CONST; + arg->val_off = off; + arg->reg_off = 0; + } else if (sscanf(arg_str, " %d @ %m[a-z0-9] %n", &arg_sz, ®_name, &len) == 2) { + /* Register read case, e.g., -8@a1 */ + arg->arg_type = USDT_ARG_REG; + arg->val_off = 0; + reg_off = calc_pt_regs_off(reg_name); + free(reg_name); + if (reg_off < 0) + return reg_off; + arg->reg_off = reg_off; + } else { + pr_warn("usdt: unrecognized arg #%d spec '%s'\n", arg_num, arg_str); + return -EINVAL; + } + + arg->arg_signed = arg_sz < 0; + if (arg_sz < 0) + arg_sz = -arg_sz; + + switch (arg_sz) { + case 1: case 2: case 4: case 8: + arg->arg_bitshift = 64 - arg_sz * 8; + break; + default: + pr_warn("usdt: unsupported arg #%d (spec '%s') size: %d\n", + arg_num, arg_str, arg_sz); + return -EINVAL; + } + + return len; +} + #else static int parse_usdt_arg(const char *arg_str, int arg_num, struct usdt_arg_spec *arg) -- 2.25.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH v2 bpf-next 0/2] Support riscv libbpf USDT arg parsing logic 2022-04-19 14:52 ` Pu Lehui @ 2022-04-20 5:50 ` patchwork-bot+netdevbpf -1 siblings, 0 replies; 8+ messages in thread From: patchwork-bot+netdevbpf @ 2022-04-20 5:50 UTC (permalink / raw) To: Pu Lehui Cc: bpf, linux-kernel, netdev, linux-riscv, andrii, ast, daniel, kafai, songliubraving, yhs, john.fastabend, kpsingh, paul.walmsley, palmer, aou Hello: This series was applied to bpf/bpf-next.git (master) by Andrii Nakryiko <andrii@kernel.org>: On Tue, 19 Apr 2022 22:52:36 +0800 you wrote: > patch 1 fix a minor issue where usdt_cookie is cast to 32 bits. > patch 2 add support riscv libbpf USDT argument parsing logic, > both RV32 and RV64 tests have been passed as like follow: > > # ./test_progs -t usdt > #169 usdt:OK > Summary: 1/4 PASSED, 0 SKIPPED, 0 FAILED > > [...] Here is the summary with links: - [v2,bpf-next,1/2] libbpf: Fix usdt_cookie being cast to 32 bits https://git.kernel.org/bpf/bpf-next/c/5af25a410acb - [v2,bpf-next,2/2] libbpf: Support riscv USDT argument parsing logic https://git.kernel.org/bpf/bpf-next/c/58ca8b0572cd You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v2 bpf-next 0/2] Support riscv libbpf USDT arg parsing logic @ 2022-04-20 5:50 ` patchwork-bot+netdevbpf 0 siblings, 0 replies; 8+ messages in thread From: patchwork-bot+netdevbpf @ 2022-04-20 5:50 UTC (permalink / raw) To: Pu Lehui Cc: bpf, linux-kernel, netdev, linux-riscv, andrii, ast, daniel, kafai, songliubraving, yhs, john.fastabend, kpsingh, paul.walmsley, palmer, aou Hello: This series was applied to bpf/bpf-next.git (master) by Andrii Nakryiko <andrii@kernel.org>: On Tue, 19 Apr 2022 22:52:36 +0800 you wrote: > patch 1 fix a minor issue where usdt_cookie is cast to 32 bits. > patch 2 add support riscv libbpf USDT argument parsing logic, > both RV32 and RV64 tests have been passed as like follow: > > # ./test_progs -t usdt > #169 usdt:OK > Summary: 1/4 PASSED, 0 SKIPPED, 0 FAILED > > [...] Here is the summary with links: - [v2,bpf-next,1/2] libbpf: Fix usdt_cookie being cast to 32 bits https://git.kernel.org/bpf/bpf-next/c/5af25a410acb - [v2,bpf-next,2/2] libbpf: Support riscv USDT argument parsing logic https://git.kernel.org/bpf/bpf-next/c/58ca8b0572cd You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2022-04-20 5:50 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-04-19 14:52 [PATCH v2 bpf-next 0/2] Support riscv libbpf USDT arg parsing logic Pu Lehui 2022-04-19 14:52 ` Pu Lehui 2022-04-19 14:52 ` [PATCH v2 bpf-next 1/2] libbpf: Fix usdt_cookie being cast to 32 bits Pu Lehui 2022-04-19 14:52 ` Pu Lehui 2022-04-19 14:52 ` [PATCH v2 bpf-next 2/2] libbpf: Support riscv USDT argument parsing logic Pu Lehui 2022-04-19 14:52 ` Pu Lehui 2022-04-20 5:50 ` [PATCH v2 bpf-next 0/2] Support riscv libbpf USDT arg " patchwork-bot+netdevbpf 2022-04-20 5:50 ` patchwork-bot+netdevbpf
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.