On mar., 2016-08-30 at 17:35 +0200, Stefan Seyfried wrote:
On 29.08.2016 18:42, Dmitriy Perlow wrote:
Could OBS be used somehow (kernel
build at my PC takes several hours)?
OBS can not really be used for this IMHO (or it would take considerable
effort to implement this). And OBS also takes hours to build a kernel
RPM, so you won't gain much after all.
I use ccache for kernel bisection and in general, the nearer you come to
the end of bisection, the faster it compiles (less changed files).
For a kernel bisection, it can also be beneficial to first disable all
the device drivers you don't need. It will take you a few minutes before
starting the first build, but will save you a lot more than that for
each subsequent build. Everything that can be disabled at the menu level
is very profitable to disable: MTD, Parallel Port, NVMe, RAID/LVM, SPI,
Hardware Monitoring, Watchdog Timer, Multimedia, Sound, Ultra Wideband,
MMC, LED, EDAC, Userspace I/O, Virtualization, Staging Drivers, PWM,
Thunderbolt, NVDIMM... As long as you know your system boots without
them and it's not what you are bisecting, of course.
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