On 03/07, Hillf Danton wrote: > > On Fri, 7 Mar 2025 11:54:56 +0530 K Prateek Nayak <kprateek.nayak@xxxxxxx> > >> step-03 > >> task-118766 new reader > >> makes pipe empty > > > >Reader seeing a pipe full should wake up a writer allowing 118768 to > >wakeup again and fill the pipe. Am I missing something? > > > Good catch, but that wakeup was cut off [2,3] > > [2] https://lore.kernel.org/lkml/20250304123457.GA25281@xxxxxxxxxx/ > [3] https://lore.kernel.org/all/20250210114039.GA3588@xxxxxxxxxx/ Why do you think [PATCH v2 1/1] pipe: change pipe_write() to never add a zero-sized buffer https://lore.kernel.org/all/20250210114039.GA3588@xxxxxxxxxx/ can make any difference ??? Where do you think a zero-sized buffer with ->len == 0 can come from? Oleg.
