>>> On 14.03.18 at 03:29, <[email protected]> wrote:
> branch xen-unstable-smoke
> xenbranch xen-unstable-smoke
> job build-arm64-xsm
> testid xen-build
>
> Tree: qemuu git://xenbits.xen.org/qemu-xen.git
> Tree: xen git://xenbits.xen.org/xen.git
>
> *** Found and reproduced problem changeset ***
>
> Bug is in tree: xen git://xenbits.xen.org/xen.git
> Bug introduced: b43501451733193b265de30fd79a764363a2a473
> Bug not present: eef83fd2af0d4c78afec34c199c977fc97d8a0b3
> Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/120707/
>
>
> commit b43501451733193b265de30fd79a764363a2a473
> Author: Doug Goldstein <[email protected]>
> Date: Mon Mar 12 23:06:51 2018 -0500
>
> tools: detect appropriate debug optimization level
>
> When building debug use -Og as the optimization level if its available,
> otherwise retain the use of -O0. -Og has been added by GCC to enable all
> optimizations that to not affect debugging while retaining full
> debugability.
>
> Signed-off-by: Doug Goldstein <[email protected]>
> Acked-by: Wei Liu <[email protected]>
Sadly altering optimization levels always has the potential of
triggering issues like this:
xc_dom_arm.c: In function 'meminit':
xc_dom_arm.c:446:5: error: 'p2m_size' may be used uninitialized in this
function [-Werror=maybe-uninitialized]
for ( pfn = 0; pfn < p2m_size; pfn++ )
^
cc1: all warnings being treated as errors
/home/osstest/build.120709.build-arm64-xsm/xen/tools/libxc/../../tools/Rules.mk:230:
recipe for target 'xc_dom_arm.o' failed
make[5]: *** [xc_dom_arm.o] Error 1
Jan
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