Re: [PATCH v3 1/2] rtw88: pci: Rearrange the memory usage for skb in RX ISR

2019-08-15 Thread Brian Norris
Hi all, I realize this already is merged, and it had some previous review comments that led to the decisions in this patch, but I'd still like to ask here, where I think I'm reaching the relevant parties: On Wed, Jul 10, 2019 at 1:43 AM Jian-Hong Pan wrote: ... > This patch allocates a new,

Re: [PATCH v3 1/2] rtw88: pci: Rearrange the memory usage for skb in RX ISR

2019-07-10 Thread Jian-Hong Pan
David Laight 於 2019年7月10日 週三 下午4:57寫道: > > From: Jian-Hong Pan > > Sent: 10 July 2019 09:38 > > > > Testing with RTL8822BE hardware, when available memory is low, we > > frequently see a kernel panic and system freeze. > > > > First, rtw_pci_rx_isr encounters a memory allocation failure

RE: [PATCH v3 1/2] rtw88: pci: Rearrange the memory usage for skb in RX ISR

2019-07-10 Thread David Laight
From: Jian-Hong Pan > Sent: 10 July 2019 09:38 > > Testing with RTL8822BE hardware, when available memory is low, we > frequently see a kernel panic and system freeze. > > First, rtw_pci_rx_isr encounters a memory allocation failure (trimmed): > > rx routine starvation > WARNING: CPU: 7 PID:

[PATCH v3 1/2] rtw88: pci: Rearrange the memory usage for skb in RX ISR

2019-07-10 Thread Jian-Hong Pan
Testing with RTL8822BE hardware, when available memory is low, we frequently see a kernel panic and system freeze. First, rtw_pci_rx_isr encounters a memory allocation failure (trimmed): rx routine starvation WARNING: CPU: 7 PID: 9871 at drivers/net/wireless/realtek/rtw88/pci.c:822