Hi Sandipan, On 12/03/2018 01:21 PM, Sandipan Das wrote: > Once the JITed images for each function in a multi-function program > are generated after the first three JIT passes, we only need to fix > the target address for the branch instruction corresponding to each > bpf-to-bpf function call. > > This introduces the following optimizations for reducing the work > done by the JIT compiler when handling multi-function programs: > > [1] Instead of doing two extra passes to fix the bpf function calls, > do just one as that would be sufficient. > > [2] During the extra pass, only overwrite the instruction sequences > for the bpf-to-bpf function calls as everything else would still > remain exactly the same. This also reduces the number of writes > to the JITed image. > > [3] Do not regenerate the prologue and the epilogue during the extra > pass as that would be redundant. > > Signed-off-by: Sandipan Das <sandi...@linux.ibm.com>
Thanks for the patch, just to clarify, it's targeted at bpf-next and not bpf, correct? Thanks, Daniel
