Commit 66ae8ddd authored by Wang Wensheng's avatar Wang Wensheng Committed by Jian Zhang
Browse files

ascend/arm64: Add ascend_enable_all kernel parameter 

ascend inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I612UG


CVE: NA

--------------------------------

This kernel parameter is used for ascend scene and would open all the
options needed at once.

Signed-off-by: default avatarWang Wensheng <wangwensheng4@huawei.com>
parent f7cf91c9

arch/arm64/kernel/cpufeature.c

+1 −1
Original line number Diff line number Diff line
@@ -1729,7 +1729,7 @@ static void cpu_enable_e0pd(struct arm64_cpu_capabilities const *cap) 
#endif /* CONFIG_ARM64_E0PD */



#ifdef CONFIG_ARM64_PSEUDO_NMI

static bool enable_pseudo_nmi;

bool enable_pseudo_nmi;



static int __init early_enable_pseudo_nmi(char *p)

{

arch/arm64/mm/init.c

+36 −0
Original line number Diff line number Diff line
@@ -31,6 +31,8 @@ 
#include <linux/hugetlb.h>

#include <linux/acpi_iort.h>

#include <linux/pin_mem.h>

#include <linux/suspend.h>

#include <linux/nmi.h>



#include <asm/boot.h>

#include <asm/fixmap.h>
@@ -724,3 +726,37 @@ void dump_mem_limit(void) 
		pr_emerg("Memory Limit: none\n");

	}

}



void ascend_enable_all_features(void)

{

	if (IS_ENABLED(CONFIG_ASCEND_DVPP_MMAP))

		enable_mmap_dvpp = 1;



#ifdef CONFIG_ASCEND_CHARGE_MIGRATE_HUGEPAGES

	extern int enable_charge_mighp;



	enable_charge_mighp = 1;

#endif



#ifdef CONFIG_SUSPEND

	mem_sleep_current = PM_SUSPEND_ON;

#endif



#ifdef CONFIG_ARM64_PSEUDO_NMI

	extern bool enable_pseudo_nmi;



	enable_pseudo_nmi = true;

#endif



#ifdef CONFIG_CORELOCKUP_DETECTOR

	enable_corelockup_detector = true;

#endif

}



static int __init ascend_enable_setup(char *__unused)

{

	ascend_enable_all_features();



	return 0;

}

early_param("ascend_enable_all", ascend_enable_setup);

mm/hugetlb.c

+1 −1
Original line number Diff line number Diff line
@@ -6226,7 +6226,7 @@ void __init hugetlb_cma_check(void) 
#endif /* CONFIG_CMA */



#ifdef CONFIG_ASCEND_FEATURES

static int enable_charge_mighp __read_mostly;

int enable_charge_mighp __read_mostly;



const struct hstate *hugetlb_get_hstate(void)

{

mm/memcontrol.c

+1 −1
Original line number Diff line number Diff line
@@ -84,7 +84,7 @@ DEFINE_PER_CPU(struct mem_cgroup *, int_active_memcg); 
static bool cgroup_memory_nosocket;



/* Kernel memory accounting disabled */

static bool cgroup_memory_nokmem = true;

bool cgroup_memory_nokmem = true;



/* Whether the swap controller is active */

#ifdef CONFIG_MEMCG_SWAP