On 2018-03-15 4:43 PM, Helge Deller wrote:
On 15.03.2018 16:36, Carlo Pisani wrote:
I am experiencing a very annoying behavior with my HPPA C3600: if I
compile the (linux) kernel with -mlong-calls then the IO (e.g. file
copy) becomes very slow, and the PCI becomes unstable (i.e. it crashes
the machine)
kernel gcc binutils with mlong without mlong
4.15.7 4.9.3 2.25.1 13.4 MB/s 27.0 MB/s
4.15.7 6.4.0 2.25.1 13.4 MB/s 27.0 MB/s
4.15.7 6.4.0 2.29.1 14.4 MB/s 25.0 MB/s
Interesting bad results!
I don't believe the instability mentioned is due to long calls. It's the
following issue:
https://www.spinics.net/lists/linux-parisc/msg01024.html
--
John David Anglin [email protected]
