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linux/arch/powerpc/platforms
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Nathan Lynch 768d70e19b powerpc/pseries/dlpar: handle ibm, configure-connector delay status 
dlpar_configure_connector() has two problems in its handling of
ibm,configure-connector's return status:

1. When the status is -2 (busy, call again), we call
   ibm,configure-connector again immediately without checking whether
   to schedule, which can result in monopolizing the CPU.
2. Extended delay status (9900..9905) goes completely unhandled,
   causing the configuration to unnecessarily terminate.

Fix both of these issues by using rtas_busy_delay().

Fixes: ab519a011c ("powerpc/pseries: Kernel DLPAR Infrastructure")
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210107025900.410369-1-nathanl@linux.ibm.com
2021-02-09 01:09:46 +11:00
..
4xx powerpc/4xx: Don't unmap NULL mbase 2020-05-28 23:24:36 +10:00
8xx powerpc: bad_page_fault get registers from regs 2021-02-09 00:02:09 +11:00
40x powerpc: Remove IBM405 Erratum #77 2020-05-28 23:24:36 +10:00
44x powerpc/akebono: Fix unmet dependency errors 2021-02-09 00:10:50 +11:00
52xx powerpc/52xx/mpc5200_simple: Move PHB discovery 2021-02-09 00:02:06 +11:00
82xx powerpc/82xx/*: Move PHB discovery 2021-02-09 00:02:06 +11:00
83xx powerpc/83xx: Move PHB discovery 2021-02-09 00:02:06 +11:00
85xx powerpc/85xx: Fix declaration made after definition 2020-11-19 14:50:13 +11:00
86xx mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
512x powerpc/512x: Move PHB discovery 2021-02-09 00:02:05 +11:00
amigaone powerpc/amigaone: Move PHB discovery 2021-02-09 00:02:06 +11:00
cell powerpc: convert interrupt handlers to use wrappers 2021-02-09 00:02:12 +11:00
chrp powerpc/chrp: Move PHB discovery 2021-02-09 00:02:06 +11:00
embedded6xx powerpc/embedded6xx/mve5100: Move PHB discovery 2021-02-09 00:02:07 +11:00
maple powerpc/pci: Move PHB discovery for PCI_DN using platforms 2021-02-09 00:01:05 +11:00
pasemi powerpc/pasemi: Move PHB discovery 2021-02-09 00:02:07 +11:00
powermac powerpc/pci: Move PHB discovery for PCI_DN using platforms 2021-02-09 00:01:05 +11:00
powernv powerpc: remove unneeded semicolons 2021-02-09 00:10:50 +11:00
ps3 powerpc/ps3: make system bus's remove and shutdown callbacks return void 2020-12-04 01:01:22 +11:00
pseries powerpc/pseries/dlpar: handle ibm, configure-connector delay status 2021-02-09 01:09:46 +11:00
fsl_uli1575.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
Kconfig powerpc: Remove CONFIG_PPC601_SYNC_FIX 2020-10-08 21:17:13 +11:00
Kconfig.cputype powerpc/32s: Make support for 603 and 604+ selectable 2020-12-09 16:48:59 +11:00
Makefile powerpc: Add -Werror at arch/powerpc level 2018-10-19 00:56:17 +11:00