x86: kernel: set NR_CPUS to 512

NR_CPUS limits the number of CPUs supported to 8. This makes total sense
on hardware-restircted platforms, but not on x86_64, where CPUs with
more than 8 cores can be easily acquired and with less physical limitaions.

see also: https://forum.openwrt.org/t/x86-64-8-cpu-limitation-on-vanilla-release/100946

Signed-off-by: Edgar Su <sjs333@outlook.com>
(cherry picked from commit df554e6fcab171ec499d8fb2ed10a0da328323f3)

diff --git a/target/linux/x86/64/config-5.4 b/target/linux/x86/64/config-5.4
index 348165a2090e591f4569bff8c4a91a2a5fce2b0f..434cde5d867a9f335962e06cbdf3b8abe31c32f1 100644 (file)
--- a/target/linux/x86/64/config-5.4
+++ b/target/linux/x86/64/config-5.4
@@ -310,8 +310,8 @@ CONFIG_ND_CLAIM=y
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NET_FAILOVER=y
 CONFIG_NET_FLOW_LIMIT=y
-CONFIG_NR_CPUS=8
-CONFIG_NR_CPUS_DEFAULT=64
+CONFIG_NR_CPUS=512
+CONFIG_NR_CPUS_DEFAULT=512
 CONFIG_NR_CPUS_RANGE_BEGIN=2
 CONFIG_NR_CPUS_RANGE_END=512
 # CONFIG_NUMA is not set