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Update struct sof_ipc_fw_ready to align with the firmware ABI change. Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
plbossart
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Dec 13, 2018
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This flag seems to have been removed in the firmware by thesofproject/sof@f28d3fb
how many engineers does it take to screw a light bulb align on the ABI?
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@plbossart thats alright. I made this PR with the hopes of closing the issue soon one way or the other. |
oder-chiou
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to oder-chiou/linux-soundwire
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May 5, 2026
Aneesh reported a crash with a fairly recent upstream kernel when
booting kernel whose commandline was appended with nr_cpus=2
1:mon> e
cpu 0x1: Vector: 300 (Data Access) at [c000000008a67bd0]
pc: c00000000002557c: cpu_to_chip_id+0x3c/0x100
lr: c000000000058380: start_secondary+0x460/0xb00
sp: c000000008a67e70
msr: 8000000000001033
dar: 10
dsisr: 80000
current = 0xc00000000891bb00
paca = 0xc0000018ff981f80 irqmask: 0x03 irq_happened: 0x01
pid = 0, comm = swapper/1
Linux version 5.13.0-rc3-15704-ga050a6d2b7e8 (kvaneesh@ltc-boston8) (gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, GNU ld (GNU Binutils for Ubuntu) 2.34) thesofproject#433 SMP Tue May 25 02:38:49 CDT 2021
1:mon> t
[link register ] c000000000058380 start_secondary+0x460/0xb00
[c000000008a67e70] c000000008a67eb0 (unreliable)
[c000000008a67eb0] c0000000000589d4 start_secondary+0xab4/0xb00
[c000000008a67f90] c00000000000c654 start_secondary_prolog+0x10/0x14
Current code assumes that num_possible_cpus() is always greater than
threads_per_core. However this may not be true when using nr_cpus=2 or
similar options. Handle the case where num_possible_cpus() is not an
exact multiple of threads_per_core.
Fixes: c1e5336 ("powerpc/smp: Cache CPU to chip lookup")
Reported-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Debugged-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210826100401.412519-2-srikar@linux.vnet.ibm.com
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Update struct sof_ipc_fw_ready to align with the firmware
ABI change.
Signed-off-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com