perf,ftrace: fuzzer triggers warning in trace_events_filter code
So I've modified my fuzzer to try to exercise the PERF_EVENT_IOC_SET_FILTER ioctl() and it is starting to turn up some warnings. For example, this one: [28509.873731] ------------[ cut here...
View ArticleRe: [PATCH 05/12] mm: Introduce arch_pgd_init_late()
On 06/11, Ingo Molnar wrote: > > @@ -1592,6 +1592,22 @@ static struct task_struct *copy_process(unsigned long clone_flags, > syscall_tracepoint_update(p); >...
View ArticleRe: [PATCH] netdevice: add netdev_pub helper function
From: "Jason A. Donenfeld" <Jason@zx2c4.com> Date: Fri, 12 Jun 2015 15:30:29 +0200 > Being able to utilize this makes much code a lot simpler and cleaner. > It's a nice convenience...
View ArticleRe: [PATCH] Doc: networking: Fix URL for wiki.wireshark.org in udplite.txt
From: Masanari Iida <standby24x7@gmail.com> Date: Sat, 13 Jun 2015 00:23:21 +0900 > This patch fix URL (http to https) for wiki.wireshark.org. > > Signed-off-by: Masanari Iida...
View ArticleRe: linux-next: build failure after merge of the tip tree
From: "Chickles, Derek" <Derek.Chickles@caviumnetworks.com> Date: Fri, 12 Jun 2015 15:59:54 +0000 >> -----Original Message----- >> From: Michael Ellerman [mailto:mpe@ellerman.id.au]...
View ArticleRE: linux-next: build failure after merge of the tip tree
> -----Original Message----- > From: David Miller [mailto:davem@davemloft.net] > ... > > Thanks. Much appreciated. > > This doesn't work, neither of these emails are a formal...
View ArticleRe: [PATCH v8 3/5] pwm: kona: Fix incorrect config, disable, and polarity...
On 15-05-30 09:41 AM, Tim Kryger wrote: > On Tue, May 26, 2015 at 1:08 PM, Jonathan Richardson > <jonathar@broadcom.com> wrote: >> The config procedure didn't follow the spec which...
View ArticleRe: [PATCH v8 4/5] pwm: kona: Add debug info to config function
On 15-05-30 09:42 AM, Tim Kryger wrote: > On Tue, May 26, 2015 at 1:08 PM, Jonathan Richardson > <jonathar@broadcom.com> wrote: >> Adds debugging info to config function where duty...
View ArticleRe: next-20150610 - repeated hangs at e1000e_phc_gettime+0x2e/0x60
On Thu, 11 Jun 2015 22:57:48 -0400, Valdis Kletnieks said: > 0) next-20150603 works, so the problem landed in linux-next in the last week. > > 1) All 3 times happened while I was at home,...
View ArticleRe: [PATCH tip/perf/core] tools lib traceevent: Fix python/perf.so compiling...
On Fri, Jun 12, 2015 at 03:17:11AM +0000, Wang Nan wrote: > 'make build-test' finds an error that make_python_perf_so fails due to > missing of libtraceevent-dynamic-list: > >...
View Article[PATCH net-next 0/3] bpf: share helpers between tracing and networking
Introduce new helpers to access 'struct task_struct'->pid, tgid, uid, gid, comm fields in tracing and networking. Share bpf_trace_printk() and bpf_get_smp_processor_id() helpers between tracing and...
View Article[PATCH net-next 2/3] bpf: allow networking programs to use bpf_trace_printk()...
bpf_trace_printk() is a helper function used to debug eBPF programs. Let socket and TC programs use it as well. Note, it's DEBUG ONLY helper. If it's used in the program, the kernel will print warning...
View Article[PATCH net-next 3/3] bpf: let kprobe programs use bpf_get_smp_processor_id()...
It's useful to do per-cpu histograms. Suggested-by: Daniel Wagner <daniel.wagner@bmw-carit.de> Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> --- kernel/trace/bpf_trace.c | 2 ++ 1...
View ArticleRe: perf,ftrace: fuzzer triggers warning in trace_events_filter code
On Fri, 12 Jun 2015 17:18:22 -0400 (EDT) Vince Weaver <vincent.weaver@maine.edu> wrote: > > So I've modified my fuzzer to try to exercise the > PERF_EVENT_IOC_SET_FILTER ioctl() and it...
View Article[PATCH net-next 1/3] bpf: introduce current->pid, tgid, uid, gid, comm accessors
eBPF programs attached to kprobes need to filter based on current->pid, uid and other fields, so introduce helper functions: u64 bpf_get_current_pid_tgid(void) Return: current->tgid << 32...
View Article[PATCHSET block/for-4.2/writeback] cgroup, writeback: misc updates for cgroup...
Hello, This patchset contains the following assorted updates for the cgroup writeback support. 0001-writeback-do-foreign-inode-detection-iff-cgroup-writ.patch...
View Article[PATCH 3/3] writeback, blkio: add documentation for cgroup writeback support
Update Documentation/cgroups/blkio-controller.txt to reflect the recently added cgroup writeback support. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Li Zefan <lizefan@huawei.com> Cc:...
View Article[PATCH 1/3] writeback: do foreign inode detection iff cgroup writeback is...
Currently, even when a filesystem doesn't set the FS_CGROUP_WRITEBACK flag, if the filesystem uses wbc_init_bio() and wbc_account_io(), the foreign inode detection and migration logic still ends up...
View Article[PATCH 2/3] vfs, writeback: replace FS_CGROUP_WRITEBACK with MS_CGROUPWB
FS_CGROUP_WRITEBACK indicates whether a file_system_type supports cgroup writeback; however, different super_blocks of the same file_system_type may or may not support cgroup writeback depending on...
View ArticleRe: [PATCH 1/1] PCI: X-Gene: Disable Configuration Request Retry Status for...
Hi Duc, On Thu, Jun 11, 2015 at 01:08:14PM -0700, Duc Dang wrote: > X-Gene v1 PCIe controller has a bug in Configuration Request Retry > Status (CRS) logic: > When CPU tries to read Vendor ID...
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