[openwrt/openwrt] x86: kernel: set NR_CPUS to 512

LEDE Commits lede-commits at lists.infradead.org
Sun Jul 18 06:13:47 PDT 2021


aparcar pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/df554e6fcab171ec499d8fb2ed10a0da328323f3

commit df554e6fcab171ec499d8fb2ed10a0da328323f3
Author: Edgar Su <sjs333 at outlook.com>
AuthorDate: Mon Jul 12 21:22:48 2021 +0800

    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 at outlook.com>
---
 target/linux/x86/64/config-5.10 | 4 ++--
 target/linux/x86/64/config-5.4  | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/target/linux/x86/64/config-5.10 b/target/linux/x86/64/config-5.10
index 2db2f4998b..6804d83519 100644
--- a/target/linux/x86/64/config-5.10
+++ b/target/linux/x86/64/config-5.10
@@ -301,8 +301,8 @@ CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NET_FAILOVER=y
 CONFIG_NET_FLOW_LIMIT=y
 # CONFIG_NITRO_ENCLAVES is not set
-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_NVME_CORE=y
diff --git a/target/linux/x86/64/config-5.4 b/target/linux/x86/64/config-5.4
index b97b9f64c1..50521a5148 100644
--- a/target/linux/x86/64/config-5.4
+++ b/target/linux/x86/64/config-5.4
@@ -312,8 +312,8 @@ 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



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