Heads-up: big.LITTLE and cache flushing

2016-09-13 Thread Riku Voipio
Hi, As painfully found out by mono team, if big/little cores have different cache line sizes, __clear_cache doesn't work as expected. This affects any home-grown cache flushing mechanism as well. http://www.mono-project.com/news/2016/09/12/arm64-icache/ protip, if you suspect your application is

Re: Heads-up: big.LITTLE and cache flushing

2016-09-13 Thread Mark Rutland
On Tue, Sep 13, 2016 at 10:14:20AM +0300, Riku Voipio wrote: > Hi, Hi, > As painfully found out by mono team, if big/little cores have > different cache line sizes, __clear_cache doesn't work as expected. > This affects any home-grown cache flushing mechanism as well. > > http://www.mono-project

[ANNOUNCE] Linaro Binary Toolchain Release-Candidate GCC 6.1-2016.08-rc2

2016-09-13 Thread Ryan Arnold
The Linaro Binary Toolchain The Linaro GCC 6.1-2016.08-rc2 Release-Candidate is now available. The GCC 6 Release series has significant changes from the GCC 5 release series. For an explanation of the changes please see the following website: https://gcc.gnu