[v4] Introduce SPAPR_IRQ_NR_IPIS and fix max-cpus

[PATCH v4 0/2] Introduce SPAPR_IRQ_NR_IPIS and fix max-cpus

Harsh Prateek Bora posted 2 patches 5 months, 2 weeks ago

Diff against v3 v4
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git fetch https://github.com/patchew-project/qemu tags/patchew/20240212041423.293085-1-harshpb@linux.ibm.com

Maintainers: Nicholas Piggin <npiggin@gmail.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, David Gibson <david@gibson.dropbear.id.au>, Harsh Prateek Bora <harshpb@linux.ibm.com>

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include/hw/ppc/spapr_irq.h | 14 +++++++++++++-
hw/ppc/spapr.c             |  9 +++------
hw/ppc/spapr_irq.c         |  6 ++++--
3 files changed, 20 insertions(+), 9 deletions(-)

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[PATCH v4 0/2] Introduce SPAPR_IRQ_NR_IPIS and fix max-cpus

Posted by Harsh Prateek Bora 5 months, 2 weeks ago

On spapr, the max number of CPU IPIs are 4096 which is accounted during
spapr_irq_init but currently existing macro SPAPR_XIRQ_BASE is being
used to refer to that. Introducing SPAPR_IRQ_NR_IPIS to refer to the
range
of CPU IPIS which is being further used to initialize mc->max_cpus
during spapr_machine_class_init().

v4: added "Reported-by" and "Tested-by" from Kowshik
v3: addressed further review comments from Cedric
v2: addressed review comments from Cedric

Harsh Prateek Bora (2):
  ppc/spapr: Introduce SPAPR_IRQ_NR_IPIS to refer IRQ range for CPU
    IPIs.
  ppc/spapr: Initialize max_cpus limit to SPAPR_IRQ_NR_IPIS.

 include/hw/ppc/spapr_irq.h | 14 +++++++++++++-
 hw/ppc/spapr.c             |  9 +++------
 hw/ppc/spapr_irq.c         |  6 ++++--
 3 files changed, 20 insertions(+), 9 deletions(-)

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2.39.3