Re: [PATCH v3 bpf-next] bpf: Remove migrate_disable in kprobe_multi_link_prog_run

2025-08-15 Thread patchwork-bot+netdevbpf
Hello: This patch was applied to bpf/bpf-next.git (master) by Andrii Nakryiko : On Thu, 14 Aug 2025 20:14:29 +0800 you wrote: > Graph tracer framework ensures we won't migrate, kprobe_multi_link_prog_run > called all the way from graph tracer, which disables preemption in > function_graph_enter_r

Re: [PATCH 06/10] mm: update coredump logic to correctly use bitmap mm flags

2025-08-15 Thread Lorenzo Stoakes
On Fri, Aug 15, 2025 at 03:52:38PM +0200, Christian Brauner wrote: > On Tue, Aug 12, 2025 at 04:44:15PM +0100, Lorenzo Stoakes wrote: > > The coredump logic is slightly different from other users in that it both > > stores mm flags and additionally sets and gets using masks. > > > > Since the MMF_D

Re: [PATCH v5 4/7] arm64: probes: Add GCS support to bl/blr/ret

2025-08-15 Thread Catalin Marinas
On Mon, Aug 11, 2025 at 09:10:07AM -0500, Jeremy Linton wrote: > The arm64 probe simulation doesn't currently have logic in place > to deal with GCS and this results in core dumps if probes are inserted > at control flow locations. Fix-up bl, blr and ret to manipulate the > shadow stack as needed.

Re: [PATCH v5 5/7] arm64: uprobes: Add GCS support to uretprobes

2025-08-15 Thread Catalin Marinas
On Wed, Aug 13, 2025 at 02:12:30PM +0800, kernel test robot wrote: > Hi Jeremy, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on arm64/for-next/core] > [also build test ERROR on perf-tools-next/perf-tools-next tip/perf/core > perf-tools/perf-tools linus/mas

Re: [PATCH v5 7/7] uprobes: uprobe_warn should use passed task

2025-08-15 Thread Catalin Marinas
On Mon, Aug 11, 2025 at 09:10:10AM -0500, Jeremy Linton wrote: > uprobe_warn() is passed a task structure, yet its using current. For > the most part this shouldn't matter, but since a task structure is > provided, lets use it. > > Fixes: 248d3a7b2f10 ("uprobes: Change uprobe_copy_process() to dup

Re: [PATCH v2 4/5] sched: Add task enqueue/dequeue trace points

2025-08-15 Thread Peter Zijlstra
On Fri, Aug 15, 2025 at 03:40:17PM +0200, Peter Zijlstra wrote: > On Wed, Aug 06, 2025 at 10:01:20AM +0200, Nam Cao wrote: > > > +/* > > + * The two trace points below may not work as expected for fair tasks due > > + * to delayed dequeue. See: > > + * > > https://lore.kernel.org/lkml/179674c6-f8

Re: [PATCH 06/10] mm: update coredump logic to correctly use bitmap mm flags

2025-08-15 Thread Christian Brauner
On Tue, Aug 12, 2025 at 04:44:15PM +0100, Lorenzo Stoakes wrote: > The coredump logic is slightly different from other users in that it both > stores mm flags and additionally sets and gets using masks. > > Since the MMF_DUMPABLE_* flags must remain as they are for uABI reasons, > and of course th

Re: [PATCH v2 5/5] rv: Add rts monitor

2025-08-15 Thread Peter Zijlstra
On Wed, Aug 06, 2025 at 10:01:21AM +0200, Nam Cao wrote: > Add "real-time scheduling" monitor, which validates that SCHED_RR and > SCHED_FIFO tasks are scheduled before tasks with normal and extensible > scheduling policies The actual monitor seems to know about deadline too. Surely changelog and

Re: [PATCH v2 4/5] sched: Add task enqueue/dequeue trace points

2025-08-15 Thread Peter Zijlstra
On Wed, Aug 06, 2025 at 10:01:20AM +0200, Nam Cao wrote: > +/* > + * The two trace points below may not work as expected for fair tasks due > + * to delayed dequeue. See: > + * https://lore.kernel.org/lkml/179674c6-f82a-4718-ace2-67b5e672f...@amd.com/ > + */ > +DECLARE_TRACE(dequeue_task, > +