Liu Qiang-B32616 wrote: > I attached the test result in v3 0/4, performance is improved by 2%. > For my understanding, there is not any place to access descriptor lists > in fsl-dma interrupt service handler except its tasklet, spin_lock_bh() > is born for this. Interrupts will be turned off and context will be save in > irqsave, there is needless to use irqsave in our case. You can refer to the > implement of mv_xor.c or ioap-adma.c. > If you think my explanation is ok, I can add it in the patch.
Yes, the explanation is ok. Please make it part of the patch description, so that it is saved in the git history. -- Timur Tabi Linux kernel developer at Freescale _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
