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b350111bf7
linux/arch/powerpc
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Nicholas Piggin b350111bf7 powerpc: remove cpu_online_cores_map function 
This function builds the cores online map with on-stack cpumasks which
can cause high stack usage with large NR_CPUS.

It is not used in any performance sensitive paths, so instead just check
for first thread sibling.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Tested-by: Sachin Sant <sachinp@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211105035042.1398309-1-npiggin@gmail.com
2021-11-29 22:48:32 +11:00
..
boot powerpc updates for 5.16 2021-11-05 08:15:46 -07:00
configs powerpc/pseries: delete scanlog 2021-11-25 11:25:33 +11:00
crypto crypto: powepc/sha1 - remove unneeded semicolon 2021-03-07 15:13:14 +11:00
include powerpc: remove cpu_online_cores_map function 2021-11-29 22:48:32 +11:00
kernel powerpc/watchdog: Fix wd_smp_last_reset_tb reporting 2021-11-25 21:48:39 +11:00
kexec powerpc/machdep: Remove stale functions from ppc_md structure 2021-10-22 15:22:05 +11:00
kvm KVM: PPC: Book3S HV P9: Remove subcore HMI handling 2021-11-24 21:09:03 +11:00
lib Revert "powerpc/code-patching: Improve verification of patchability" 2021-11-29 17:41:52 +11:00
math-emu powerpc/64s: avoid reloading (H)SRR registers if they are still valid 2021-06-25 00:06:55 +10:00
mm Revert "powerpc/code-patching: Improve verification of patchability" 2021-11-29 17:41:52 +11:00
net bpf ppc32: Access only if addr is kernel address 2021-11-25 11:25:32 +11:00
perf powerpc/64s: Implement PMU override command line option 2021-11-24 21:08:57 +11:00
platforms powerpc: remove cpu_online_cores_map function 2021-11-29 22:48:32 +11:00
purgatory powerpc/kexec: Don't use .machine ppc64 in trampoline_64.S 2021-04-08 21:17:43 +10:00
sysdev powerpc/tsi108: make EXPORT_SYMBOL follow its function immediately 2021-11-25 11:25:32 +11:00
tools powerpc/head_check: Fix shellcheck errors 2021-08-17 22:52:02 +10:00
xmon powerpc/64s: guard optional TIDR SPR with CPU ftr test 2021-11-24 21:08:56 +11:00
Kbuild kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
Kconfig powerpc/64s: Default to 64K pages for 64 bit book3s 2021-10-27 22:31:22 +11:00
Kconfig.debug powerpc/ptdump: Convert powerpc to GENERIC_PTDUMP 2021-08-25 13:35:48 +10:00
Makefile Kbuild updates for v5.16 2021-11-08 09:15:45 -08:00
Makefile.postlink