Re: [PATCH v4 02/39] task_work: Fix TWA_NMI_CURRENT race with __schedule()
Josh Poimboeuf <[email protected]>
| Newsgroups | org.kernel.vger.linux-toolchains,org.kernel.vger.linux-kernel,org.kernel.vger.linux-perf-users,org.kernel.vger.linux-trace-kernel |
|---|---|
| Message-ID | <20250122221430.jfnleewvjj3mcbif@jpoimboe> |
On Wed, Jan 22, 2025 at 01:03:42PM -0800, Josh Poimboeuf wrote: > The self-IPI is only needed when the NMI happened in user space, right? > Would it make sense to have an optimized version of that? Actually, maybe not, that could be tricky if the NMI hits in the kernel after task work runs. -- Josh