Re: [PATCH v2 char-misc 1/1] Drivers: hv: vmbus: Fix ring buffer signaling

On Fri, 16 Feb 2018 23:05:33 + Michael Kelley wrote: > Fix bugs in signaling the Hyper-V host when freeing space in the > host->guest ring buffer: > > 1. The interrupt_mask must not be used to determine whether to signal >on the host->guest ring buffer > 2. The

[PATCH v2 char-misc 1/1] Drivers: hv: vmbus: Fix ring buffer signaling

Fix bugs in signaling the Hyper-V host when freeing space in the host->guest ring buffer: 1. The interrupt_mask must not be used to determine whether to signal on the host->guest ring buffer 2. The ring buffer write_index must be read (via hv_get_bytes_to_write) *after* pending_send_sz is