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This is the 5.4.252 stable release

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Merge 5.4.252 into android11-5.4-lts

Changes in 5.4.252
	init: Provide arch_cpu_finalize_init()
	x86/cpu: Switch to arch_cpu_finalize_init()
	ARM: cpu: Switch to arch_cpu_finalize_init()
	ia64/cpu: Switch to arch_cpu_finalize_init()
	m68k/cpu: Switch to arch_cpu_finalize_init()
	mips/cpu: Switch to arch_cpu_finalize_init()
	sh/cpu: Switch to arch_cpu_finalize_init()
	sparc/cpu: Switch to arch_cpu_finalize_init()
	um/cpu: Switch to arch_cpu_finalize_init()
	init: Remove check_bugs() leftovers
	init: Invoke arch_cpu_finalize_init() earlier
	init, x86: Move mem_encrypt_init() into arch_cpu_finalize_init()
	x86/fpu: Remove cpuinfo argument from init functions
	x86/fpu: Mark init functions __init
	x86/fpu: Move FPU initialization into arch_cpu_finalize_init()
	x86/speculation: Add Gather Data Sampling mitigation
	x86/speculation: Add force option to GDS mitigation
	x86/speculation: Add Kconfig option for GDS
	KVM: Add GDS_NO support to KVM
	x86/xen: Fix secondary processors' FPU initialization
	x86/mm: fix poking_init() for Xen PV guests
	x86/mm: Use mm_alloc() in poking_init()
	mm: Move mm_cachep initialization to mm_init()
	x86/mm: Initialize text poking earlier
	Documentation/x86: Fix backwards on/off logic about YMM support
	x86/cpufeatures: Add SEV-ES CPU feature
	x86/cpu: Add VM page flush MSR availablility as a CPUID feature
	x86/cpufeatures: Assign dedicated feature word for CPUID_0x8000001F[EAX]
	tools headers cpufeatures: Sync with the kernel sources
	x86/bugs: Increase the x86 bugs vector size to two u32s
	x86/cpu, kvm: Add support for CPUID_80000021_EAX
	xen/netback: Fix buffer overrun triggered by unusual packet
	x86: fix backwards merge of GDS/SRSO bit
	Linux 5.4.252

Change-Id: I557582cb77bff8bbdfb817ce485cb66d82b77800
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman 2023-08-23 15:05:57 +00:00
commit 85caed29ae
63 changed files with 659 additions and 402 deletions
Download patch file Download diff file Expand all files Collapse all files

37
kernel/fork.c
View file

@ -2347,11 +2347,6 @@ struct task_struct *fork_idle(int cpu)
return task;
}
struct mm_struct *copy_init_mm(void)
{
return dup_mm(NULL, &init_mm);
}
/*
* Ok, this is the main fork-routine.
*
@ -2724,10 +2719,27 @@ static void sighand_ctor(void *data)
init_waitqueue_head(&sighand->signalfd_wqh);
}
void __init proc_caches_init(void)
void __init mm_cache_init(void)
{
unsigned int mm_size;
/*
* The mm_cpumask is located at the end of mm_struct, and is
* dynamically sized based on the maximum CPU number this system
* can have, taking hotplug into account (nr_cpu_ids).
*/
mm_size = sizeof(struct mm_struct) + cpumask_size();
mm_cachep = kmem_cache_create_usercopy("mm_struct",
mm_size, ARCH_MIN_MMSTRUCT_ALIGN,
SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_ACCOUNT,
offsetof(struct mm_struct, saved_auxv),
sizeof_field(struct mm_struct, saved_auxv),
NULL);
}
void __init proc_caches_init(void)
{
sighand_cachep = kmem_cache_create("sighand_cache",
sizeof(struct sighand_struct), 0,
SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_TYPESAFE_BY_RCU|
@ -2745,19 +2757,6 @@ void __init proc_caches_init(void)
SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_ACCOUNT,
NULL);
/*
* The mm_cpumask is located at the end of mm_struct, and is
* dynamically sized based on the maximum CPU number this system
* can have, taking hotplug into account (nr_cpu_ids).
*/
mm_size = sizeof(struct mm_struct) + cpumask_size();
mm_cachep = kmem_cache_create_usercopy("mm_struct",
mm_size, ARCH_MIN_MMSTRUCT_ALIGN,
SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_ACCOUNT,
offsetof(struct mm_struct, saved_auxv),
sizeof_field(struct mm_struct, saved_auxv),
NULL);
vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC|SLAB_ACCOUNT);
mmap_init();
nsproxy_cache_init();