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authorIngo Molnar <mingo@kernel.org>2018-02-23 08:20:18 +0100
committerIngo Molnar <mingo@kernel.org>2018-02-23 08:20:18 +0100
commit24e8db62c135e142e23bec597adb135bd6a8828f (patch)
tree2126fe037ff60851e778838f9b27edabe3b28f67 /arch/x86
parentx86/platform/quark: Re-use DEFINE_SHOW_ATTRIBUTE() macro (diff)
parentLinux 4.16-rc2 (diff)
downloadlinux-24e8db62c135e142e23bec597adb135bd6a8828f.tar.xz
linux-24e8db62c135e142e23bec597adb135bd6a8828f.zip
Merge tag 'v4.16-rc2' into x86/platform, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/Kconfig.cpu4
-rw-r--r--arch/x86/include/asm/smp.h1
-rw-r--r--arch/x86/kernel/smpboot.c10
-rw-r--r--arch/x86/xen/smp.c2
5 files changed, 14 insertions, 5 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a528c14d45a5..c1236b187824 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1404,7 +1404,7 @@ config HIGHMEM4G
config HIGHMEM64G
bool "64GB"
- depends on !M486
+ depends on !M486 && !M586 && !M586TSC && !M586MMX && !MGEODE_LX && !MGEODEGX1 && !MCYRIXIII && !MELAN && !MWINCHIPC6 && !WINCHIP3D && !MK6
select X86_PAE
---help---
Select this if you have a 32-bit processor and more than 4
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 65a9a4716e34..8b8d2297d486 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -374,7 +374,7 @@ config X86_TSC
config X86_CMPXCHG64
def_bool y
- depends on X86_PAE || X86_64 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MATOM
+ depends on X86_PAE || X86_64 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586TSC || M586MMX || MATOM || MGEODE_LX || MGEODEGX1 || MK6 || MK7 || MK8
# this should be set for all -march=.. options where the compiler
# generates cmov.
@@ -385,7 +385,7 @@ config X86_CMOV
config X86_MINIMUM_CPU_FAMILY
int
default "64" if X86_64
- default "6" if X86_32 && X86_P6_NOP
+ default "6" if X86_32 && (MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MEFFICEON || MATOM || MCRUSOE || MCORE2 || MK7 || MK8)
default "5" if X86_32 && X86_CMPXCHG64
default "4"
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 461f53d27708..a4189762b266 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -129,6 +129,7 @@ static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask)
void cpu_disable_common(void);
void native_smp_prepare_boot_cpu(void);
void native_smp_prepare_cpus(unsigned int max_cpus);
+void calculate_max_logical_packages(void);
void native_smp_cpus_done(unsigned int max_cpus);
void common_cpu_up(unsigned int cpunum, struct task_struct *tidle);
int native_cpu_up(unsigned int cpunum, struct task_struct *tidle);
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index cfc61e1d45e2..9eee25d07586 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1281,11 +1281,10 @@ void __init native_smp_prepare_boot_cpu(void)
cpu_set_state_online(me);
}
-void __init native_smp_cpus_done(unsigned int max_cpus)
+void __init calculate_max_logical_packages(void)
{
int ncpus;
- pr_debug("Boot done\n");
/*
* Today neither Intel nor AMD support heterogenous systems so
* extrapolate the boot cpu's data to all packages.
@@ -1293,6 +1292,13 @@ void __init native_smp_cpus_done(unsigned int max_cpus)
ncpus = cpu_data(0).booted_cores * topology_max_smt_threads();
__max_logical_packages = DIV_ROUND_UP(nr_cpu_ids, ncpus);
pr_info("Max logical packages: %u\n", __max_logical_packages);
+}
+
+void __init native_smp_cpus_done(unsigned int max_cpus)
+{
+ pr_debug("Boot done\n");
+
+ calculate_max_logical_packages();
if (x86_has_numa_in_package)
set_sched_topology(x86_numa_in_package_topology);
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 77c959cf81e7..7a43b2ae19f1 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -122,6 +122,8 @@ void __init xen_smp_cpus_done(unsigned int max_cpus)
if (xen_hvm_domain())
native_smp_cpus_done(max_cpus);
+ else
+ calculate_max_logical_packages();
if (xen_have_vcpu_info_placement)
return;