Re: [PATCH 25/26] isdn: eicon: mark divascapi incompatible with kasan

2017-03-03 Thread Arnd Bergmann
On Fri, Mar 3, 2017 at 3:20 PM, Andrey Ryabinin wrote: > > > On 03/02/2017 07:38 PM, Arnd Bergmann wrote: >> When CONFIG_KASAN is enabled, we have several functions that use rather >> large kernel stacks, e.g. >> >> drivers/isdn/hardware/eicon/message.c: In function 'group_optimization': >> driver

Re: [PATCH 25/26] isdn: eicon: mark divascapi incompatible with kasan

2017-03-03 Thread Arnd Bergmann
On Fri, Mar 3, 2017 at 4:22 PM, Andrey Ryabinin wrote: > On 03/03/2017 05:54 PM, Arnd Bergmann wrote: >> On Fri, Mar 3, 2017 at 3:20 PM, Andrey Ryabinin >> wrote: >>> On 03/02/2017 07:38 PM, Arnd Bergmann wrote: >>> >>> This is kinda radical solution. >>> Wouldn't be better to just increase -Wfr

Re: [PATCH 25/26] isdn: eicon: mark divascapi incompatible with kasan

2017-03-03 Thread Andrey Ryabinin
On 03/03/2017 05:54 PM, Arnd Bergmann wrote: > On Fri, Mar 3, 2017 at 3:20 PM, Andrey Ryabinin > wrote: >> >> >> On 03/02/2017 07:38 PM, Arnd Bergmann wrote: >>> When CONFIG_KASAN is enabled, we have several functions that use rather >>> large kernel stacks, e.g. >>> >>> drivers/isdn/hardware/e

Re: [PATCH 25/26] isdn: eicon: mark divascapi incompatible with kasan

2017-03-03 Thread Andrey Ryabinin
On 03/02/2017 07:38 PM, Arnd Bergmann wrote: > When CONFIG_KASAN is enabled, we have several functions that use rather > large kernel stacks, e.g. > > drivers/isdn/hardware/eicon/message.c: In function 'group_optimization': > drivers/isdn/hardware/eicon/message.c:14841:1: warning: the frame size

[PATCH 25/26] isdn: eicon: mark divascapi incompatible with kasan

2017-03-02 Thread Arnd Bergmann
When CONFIG_KASAN is enabled, we have several functions that use rather large kernel stacks, e.g. drivers/isdn/hardware/eicon/message.c: In function 'group_optimization': drivers/isdn/hardware/eicon/message.c:14841:1: warning: the frame size of 864 bytes is larger than 500 bytes [-Wframe-larger-t