[PATCH 0/5] Beginnings of skb_frag -> bio_vec conversion

From: "Matthew Wilcox (Oracle)" It turns out there's a lot of accessors for the skb_frag, which would make this conversion really easy if some drivers didn't bypass them. This is what I've done so far; my laptop's not really beefy enough to cope with changing skbuff.h too often ;-) This would be

read and get back to me

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[RFC PATCH bpf-next 2/3] tools/bpf: sync bpf uapi header bpf.h

sync bpf uapi header bpf.h to tools directory. Signed-off-by: Yonghong Song --- tools/include/uapi/linux/bpf.h | 15 ++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 72336bac7573..e3e824848335 1006

[RFC PATCH bpf-next 1/3] bpf: implement bpf_send_signal() helper

This patch tries to solve the following specific use case. Currently, bpf program can already collect stack traces when certain events happens (e.g., cache miss counter or cpu clock counter overflows). These stack traces can be used for performance analysis. For jitted programs, e.g., hhvm (jited

[RFC PATCH bpf-next 0/3] implement bpf_send_signal() helper

Currently, bpf program can already collect stack traces when certain events happens (e.g., cache miss counter or cpu clock counter overflows). These stack traces can be used for performance analysis. For jitted programs, e.g., hhvm (jited php), it is very hard to get the true stack trace in the bpf

[RFC PATCH bpf-next 3/3] tools/bpf: add a selftest for bpf_send_signal() helper

The test covered both nmi and tracepoint perf events. $ ./test_send_signal_user test_send_signal (tracepoint): OK test_send_signal (perf_event): OK Signed-off-by: Yonghong Song --- tools/testing/selftests/bpf/Makefile | 5 +- tools/testing/selftests/bpf/bpf_helpers.h | 2 +

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