On Thursday, June 2, 2016 3:01:27 AM CEST Build bot for Mark Brown wrote:
> -------------------------------------------------------------------------------
>
> Warnings Summary: 3
> 1 ../lib/lz4/lz4hc_compress.c:514:1: warning: the frame size of 1472 bytes is larger than 1024 bytes [-Wframe-larger-than=]
> 1 ../drivers/xen/balloon.c:155:13: warning: 'release_memory_resource' declared 'static' but never defined [-Wunused-function]
> 1 ../drivers/mtd/chips/cfi_cmdset_0020.c:651:1: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=]
That looks really nice! I hadn't noticed we were down that far with the
warnings.
The two stack warnings are fixed by c87bf431448b ("gcov: disable tree-loop-im
to reduce stack usage"), which is now in mainline. I think this warns about
a valid bug (gcc misoptimization leading to excessive stack usage).
Greg, would you consider that fix for backports?
The Xen warning unfortunately appeared with 58d378b24b7f ("xen/balloon: Fix
crash when ballooning on x86 32 bit PAE"), which was backported from mainline
into v4.4.10.
I made a fix that is in -next now, bdadcaf2a7c1 ("xen: remove incorrect
forward declaration"), but I don't know when that will get merged.
Arnd
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