Hi Arnd! On 5/14/21 12:00 PM, Arnd Bergmann wrote: > Unlike every other architecture, sh4a uses an inline asm implementation > for get_unaligned(). I have shown that this produces better object > code than the asm-generic version. However, there are very few users of > arch/sh/ overall, and most of those seem to use sh4 rather than sh4a CPU > cores, so it seems not worth keeping the complexity in the architecture > independent code. My Renesas SH4-Boards actually run an sh4a-Kernel, not an sh4-Kernel: root@tirpitz:~> uname -a Linux tirpitz 5.11.0-rc4-00012-g10c03c5bf422 #161 PREEMPT Mon Jan 18 21:10:17 CET 2021 sh4a GNU/Linux root@tirpitz:~> So, if this change reduces performance on sh4a, I would rather not merge it. Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaubitz@xxxxxxxxxx `. `' Freie Universitaet Berlin - glaubitz@xxxxxxxxxxxxxxxxxxx `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
