Messages in this thread | | | Subject | Re: [PATCH 00/22] Openrisc patchees from backlog for 4.11 | From | Guenter Roeck <> | Date | Sat, 14 Jan 2017 21:17:01 -0800 |
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On 01/14/2017 03:07 PM, Stafford Horne wrote: > Hi All, > > This is another set of patches which I have been pulling out of the > openrisc backlogs. Its a bit of a process since I need to cleanup commit > messages, review and test the patches. > > The interesting things here are: > - optimized memset and memcpy routines, ~20% boot time saving > - support for cpu idling > - adding support for l.swa and l.lwa atomic operations (in spec from 2014) > - use atomics to implement: bitops, cmpxchg, futex, spinlocks > - the atomics are in preparation for SMP support > > Testing: > I have used the kselftests to validate the changes especially the futex > operations with the futex test. Other atomic operations are common so no > explicit testing. > > Note for testers: > The l.swa and l.lwa emulation is broken in qemu openrisc port. I have sent > patches [1] to qemu-devel to fix the qemu issues. >
Thanks a lot for the note. Cherry-picked and applied ...
Are you going to add the series to -next ? That would give it some automatic test exposure (including the various auto-builders).
Anyway, today's -next gets a warning traceback as attached. That happens even with the above mentioned patch applied to qemu.
Guenter
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OpenRISC Linux -- http://openrisc.io ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at ./include/linux/jump_label.h:198 0xc02d758c static_key_slow_inc used before call to jump_label_init Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainted 4.10.0-rc3-next-20170113 #1 Stack dump [0xc0385f3c]: sp + 00: 0xc0385f3c sp + 04: 0xc0385f60 sp + 08: 0xc047a0b4 sp + 12: 0xc0303662 sp + 16: 0x00000000 sp + 20: 0xc02d758c sp + 24: 0x00000009 sp + 28: 0x000000c6 sp + 32: 0xc0167bc0 sp + 36: 0xc0385f68 sp + 40: 0xc000b5d8 sp + 44: 0x00000000 sp + 48: 0x00000000 sp + 52: 0xc0303662 sp + 56: 0x000000c6 sp + 60: 0xc02d758c sp + 64: 0xc0385f9c sp + 68: 0xc0385fb0 sp + 72: 0xc0483954 sp + 76: 0xc04839b0 sp + 80: 0xc1fff1e0 sp + 84: 0xc047a00c sp + 88: 0x00000000 sp + 92: 0xc000b620 sp + 96: 0xc030367f sp + 100: 0xc0385fb0 sp + 104: 0xc0385fb0 sp + 108: 0xc0483930 sp + 112: 0xc02d758c sp + 116: 0xc02e1cc4 sp + 120: 0x00000000 sp + 124: 0x00000000 sp + 128: 0xc03a6798 sp + 132: 0xc0385fd8 sp + 136: 0xc047a014 sp + 140: 0xc047a02c sp + 144: 0xc03beb14 sp + 148: 0xc1fff1e0 sp + 152: 0xc03a68e0 sp + 156: 0xc02e0070 sp + 160: 0xc03b9e74 sp + 164: 0xc03beb14 sp + 168: 0xc0386000 sp + 172: 0x00000000 sp + 176: 0x00000000 sp + 180: 0x00000000 sp + 184: 0x00000000 sp + 188: 0x00000000 sp + 192: 0x00000000
[<c02d758c>]
[<c0167bc0>]
[<c000b5d8>]
[<c02d758c>]
[<c000b620>]
[<c02d758c>]
[<c03a6798>]
[<c03a68e0>]
[<c03b9e74>]
======================= ---[ end trace 0000000000000000 ]---
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