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eudy: koro: fcs: Fix fcs unprotected cpuid all

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smp_processor_id() was called in a preepmtible context, which could
invalidate the returned value. However, this was not harmful, because
fcs threads in nosv are pinned.

Reviewed-by: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
This commit is contained in:
Aleix Roca Nonell 2024-07-16 17:36:21 +02:00 committed by Rodrigo Arias Mallo
parent 349f69e30a
commit 130e191d37
2 changed files with 33 additions and 49 deletions
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34
m/eudy/kernel/kernel.nix
View File

@ -21,9 +21,9 @@ let
# configfile = if lockdep then ./configs/lockdep else ./configs/defconfig; # configfile = if lockdep then ./configs/lockdep else ./configs/defconfig;
#}; #};
kernel = nixos-fcsv3; kernel = nixos-fcs;
nixos-fcs-kernel = {gitCommit, lockStat ? false, preempt ? false, branch ? "fcs"}: pkgs.linuxPackagesFor (pkgs.buildLinux rec { nixos-fcs-kernel = lib.makeOverridable ({gitCommit, lockStat ? false, preempt ? false, branch ? "fcs"}: pkgs.linuxPackagesFor (pkgs.buildLinux rec {
version = "6.2.8"; version = "6.2.8";
src = builtins.fetchGit { src = builtins.fetchGit {
url = "git@bscpm03.bsc.es:ompss-kernel/linux.git"; url = "git@bscpm03.bsc.es:ompss-kernel/linux.git";
@ -40,35 +40,13 @@ let
}; };
kernelPatches = []; kernelPatches = [];
extraMeta.branch = lib.versions.majorMinor version; extraMeta.branch = lib.versions.majorMinor version;
}); }));
nixos-fcsv1 = nixos-fcs-kernel {gitCommit = "bc11660676d3d68ce2459b9fb5d5e654e3f413be";}; nixos-fcs = nixos-fcs-kernel {gitCommit = "8a09822dfcc8f0626b209d6d2aec8b5da459dfee";};
nixos-fcsv2 = nixos-fcs-kernel {gitCommit = "db0f2eca0cd57a58bf456d7d2c7d5d8fdb25dfb1";}; nixos-fcs-lockstat = nixos-fcs.override {
nixos-fcsv3 = nixos-fcs-kernel {gitCommit = "6c17394890704c3345ac1a521bb547164b36b154";};
# always use fcs_sched_setaffinity
#nixos-debug = nixos-fcs-kernel {gitCommit = "7d0bf285fca92badc8df3c9907a9ab30db4418aa";};
# remove need_check_cgroup
#nixos-debug = nixos-fcs-kernel {gitCommit = "4cc4efaab5e4a0bfa3089e935215b981c1922919";};
# merge again fcs_wake and fcs_wait
#nixos-debug = nixos-fcs-kernel {gitCommit = "40c6f72f4ae54b0b636b193ac0648fb5730c810d";};
# start from scratch, this is the working version with split fcs_wake and fcs_wait
nixos-debug = nixos-fcs-kernel {gitCommit = "c9a39d6a4ca83845b4e71fcc268fb0a76aff1bdf"; branch = "fcs-test"; };
nixos-fcsv1-lockstat = nixos-fcs-kernel {
gitCommit = "bc11660676d3d68ce2459b9fb5d5e654e3f413be";
lockStat = true; lockStat = true;
}; };
nixos-fcsv2-lockstat = nixos-fcs-kernel { nixos-fcs-lockstat-preempt = nixos-fcs.override {
gitCommit = "db0f2eca0cd57a58bf456d7d2c7d5d8fdb25dfb1";
lockStat = true;
};
nixos-fcsv3-lockstat = nixos-fcs-kernel {
gitCommit = "6c17394890704c3345ac1a521bb547164b36b154";
lockStat = true;
};
nixos-fcsv3-lockstat-preempt = nixos-fcs-kernel {
gitCommit = "6c17394890704c3345ac1a521bb547164b36b154";
lockStat = true; lockStat = true;
preempt = true; preempt = true;
}; };

48
m/koro/kernel.nix
View File

@ -1,9 +1,29 @@
{ pkgs, lib, ... }: { pkgs, lib, ... }:
let let
kernel = nixos-fcsv4; #fcs-devel = pkgs.linuxPackages_custom {
# version = "6.2.8";
# src = /mnt/data/kernel/fcs/kernel/src;
# configfile = /mnt/data/kernel/fcs/kernel/configs/defconfig;
#};
nixos-fcs-kernel = {gitCommit, lockStat ? false, preempt ? false, branch ? "fcs"}: pkgs.linuxPackagesFor (pkgs.buildLinux rec { #fcsv1 = fcs-kernel "bc11660676d3d68ce2459b9fb5d5e654e3f413be" false;
#fcsv2 = fcs-kernel "db0f2eca0cd57a58bf456d7d2c7d5d8fdb25dfb1" false;
#fcsv1-lockdep = fcs-kernel "bc11660676d3d68ce2459b9fb5d5e654e3f413be" true;
#fcsv2-lockdep = fcs-kernel "db0f2eca0cd57a58bf456d7d2c7d5d8fdb25dfb1" true;
#fcs-kernel = gitCommit: lockdep: pkgs.linuxPackages_custom {
# version = "6.2.8";
# src = builtins.fetchGit {
# url = "git@bscpm03.bsc.es:ompss-kernel/linux.git";
# rev = gitCommit;
# ref = "fcs";
# };
# configfile = if lockdep then ./configs/lockdep else ./configs/defconfig;
#};
kernel = nixos-fcs;
nixos-fcs-kernel = lib.makeOverridable ({gitCommit, lockStat ? false, preempt ? false, branch ? "fcs"}: pkgs.linuxPackagesFor (pkgs.buildLinux rec {
version = "6.2.8"; version = "6.2.8";
src = builtins.fetchGit { src = builtins.fetchGit {
url = "git@bscpm03.bsc.es:ompss-kernel/linux.git"; url = "git@bscpm03.bsc.es:ompss-kernel/linux.git";
@ -20,27 +40,13 @@ let
}; };
kernelPatches = []; kernelPatches = [];
extraMeta.branch = lib.versions.majorMinor version; extraMeta.branch = lib.versions.majorMinor version;
}); }));
nixos-fcsv1 = nixos-fcs-kernel {gitCommit = "bc11660676d3d68ce2459b9fb5d5e654e3f413be";}; nixos-fcs = nixos-fcs-kernel {gitCommit = "8a09822dfcc8f0626b209d6d2aec8b5da459dfee";};
nixos-fcsv2 = nixos-fcs-kernel {gitCommit = "db0f2eca0cd57a58bf456d7d2c7d5d8fdb25dfb1";}; nixos-fcs-lockstat = nixos-fcs.override {
nixos-fcsv3 = nixos-fcs-kernel {gitCommit = "6c17394890704c3345ac1a521bb547164b36b154";};
nixos-fcsv4 = nixos-fcs-kernel {gitCommit = "c94c3d946f33ac3e5782a02ee002cc1164c0cb4f";};
nixos-fcsv1-lockstat = nixos-fcs-kernel {
gitCommit = "bc11660676d3d68ce2459b9fb5d5e654e3f413be";
lockStat = true; lockStat = true;
}; };
nixos-fcsv2-lockstat = nixos-fcs-kernel { nixos-fcs-lockstat-preempt = nixos-fcs.override {
gitCommit = "db0f2eca0cd57a58bf456d7d2c7d5d8fdb25dfb1";
lockStat = true;
};
nixos-fcsv3-lockstat = nixos-fcs-kernel {
gitCommit = "6c17394890704c3345ac1a521bb547164b36b154";
lockStat = true;
};
nixos-fcsv3-lockstat-preempt = nixos-fcs-kernel {
gitCommit = "6c17394890704c3345ac1a521bb547164b36b154";
lockStat = true; lockStat = true;
preempt = true; preempt = true;
}; };
@ -60,5 +66,5 @@ in {
# enable memory overcommit, needed to build a taglibc system using nix after # enable memory overcommit, needed to build a taglibc system using nix after
# increasing the openblas memory footprint # increasing the openblas memory footprint
boot.kernel.sysctl."vm.overcommit_memory" = lib.mkForce 1; boot.kernel.sysctl."vm.overcommit_memory" = 1;
} }