Hi Mark, On Fri, Dec 20, 2013 at 05:28:27PM +0000, Mark Brown wrote: > Hi, > > While reading the kernel logs for arm64 (as one does) I noticed a few > patches that seemed like candidates for either LTS or LTSI. I've also > had a couple of others mentioned via other routes. What do you think of > these? Thanks, I'm picking some of these for the 3.11 kernel as well. > > 4ecf7ccb1973 arm64: spinlock: retry trylock operation if strex fails on free lock Already in 3.11. > This seems like a correctness fix for spinlocks, though since the > callers should cope with failure it's arguably just an optimisation. > > 53ae3acd4390 arm64: Only enable local interrupts after the CPU is marked online > 82b2f495fba3 arm64: virt: ensure visibility of __boot_cpu_mode > 845ad05ec31e arm64: Change kernel stack size to 16K > 6db83cea1c97 arm64: fix possible invalid FPSIMD initialization state > 7b22c03536a5 arm64: check for number of arguments in syscall_get/set_arguments() > df503ba7f653 arm64: dts: Reserve the memory used for secondary CPU release address I'm picking the last 3 commits, as the other ones are already in 3.11. > These all look like correctness fixes of one kind or another; the change > to 16K stacks is poorly explained but it looks like it's fixing failures > of some kind. > > f0dd718090ae arm64: Remove unused cpu_name ascii in arch/arm64/mm/proc.S This seems to be the wrong SHA1. I've picked f3a1d7d assuming that's what you meant. > A user was reporting that this caused build failures due to alignment > issues with some of the debug options turned on. I've not fully > investigated yet, this might be a toolchain issue though given how > simple the change is. > > 0d651e4e65e9 clocksource: arch_timer: use virtual counters This is already in 3.11. > This is as mentioned in the changelog a correctness fix for avoiding > clocks going backwards and has also been found to be required to avoid > boot hangs with CONFIG_PROVE_RCU_DELAY enabled. > > There were also a few others that aren't entirely -stable material but > might be a fit for LTSI (and the above might be if not -stable in > themselves): > > b5b6c9e9149d arm64: Avoid cache flushing in flush_dcache_page() > 7249b79f6b4c arm64: Do not flush the D-cache for anonymous pages > 4f00130b70e5 arm64: Use Normal NonCacheable memory for writecombine I'm picking the last one only (the other 2 are already in 3.11). > These look like simple, localised optimisations. > > Thanks, > Mark Cheers, -- Luis -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html