Re: [PATCH] ARM: add cmpxchg64 helper for ARMv7-M

2016-12-13 Thread Russell King - ARM Linux
On Sat, Dec 10, 2016 at 01:32:34PM +0100, Pablo Neira Ayuso wrote: > Hi Arnd, > > On Sat, Dec 10, 2016 at 11:36:34AM +0100, Arnd Bergmann wrote: > > A change to the netfilter code in net-next introduced the first caller of > > cmpxchg64 that can get built on ARMv7-M, leading to an error from the

Re: [PATCH] ARM: add cmpxchg64 helper for ARMv7-M

2016-12-10 Thread Pablo Neira Ayuso
Hi Arnd, On Sat, Dec 10, 2016 at 11:36:34AM +0100, Arnd Bergmann wrote: > A change to the netfilter code in net-next introduced the first caller of > cmpxchg64 that can get built on ARMv7-M, leading to an error from the > assembler that points out the lack of 64-bit atomics on this architecture:

[PATCH] ARM: add cmpxchg64 helper for ARMv7-M

2016-12-10 Thread Arnd Bergmann
A change to the netfilter code in net-next introduced the first caller of cmpxchg64 that can get built on ARMv7-M, leading to an error from the assembler that points out the lack of 64-bit atomics on this architecture: /tmp/ccMe7djj.s: Assembler messages: /tmp/ccMe7djj.s:367: Error: selected