[Ksummit-discuss] [CORE TOPIC] Kernel tinification: shrinking the kernel and avoiding size regressions

H. Peter Anvin hpa at zytor.com
Tue May 6 02:14:42 UTC 2014


On 05/05/2014 04:45 PM, Bird, Tim wrote:
>  - adding a kernel mechanism to eliminate any unused syscalls, at compile time
>    (using LTO, all I had to do was make the syscall unreachable, and the compiler
>    eliminated the calls automatically.  Some of the work was removing parts of Andy Kleen's LTO
>    patches which prevented unreferenced code from being optimized out.)

There is some irony here.

	-hpa




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