chore: update patch series

Update the patch series from which the CI builds the secret hiding test
kernel. Mainly, replace the v4 [1] of the mmap-support series with the
v12 [2]. Then rebase it on top of 6.16-rc3 to pick per-module exports
that were merged for 6.16.

Update the direct map removal patches to what I locally have written for
the upcoming v5, folding in the hotfix. Add a new patch that makes
kvm-clock work with direct-map removed guest_memfd.

UFFD patches are just rebases, particularly KVM Userfault is still the
v2.

[1]: https://lore.kernel.org/kvm/[email protected]/
[2]: https://lore.kernel.org/kvm/[email protected]/

Signed-off-by: Patrick Roy <[email protected]>

Author: roypat

resources/hiding_ci/kernel_commit_hash

@@ -1 +1 @@
-4701f33a10702d5fc577c32434eb62adde0a1ae1
+86731a2a651e58953fc949573895f2fa6d456841

resources/hiding_ci/linux_patches/05-mmap-support/0001-mm-Consolidate-freeing-of-typed-folios-on-final-foli.patch

@@ -0,0 +1,171 @@
+From ba45bc1cd4624badfab75d73286d753403b3cfb5 Mon Sep 17 00:00:00 2001
+From: Fuad Tabba <[email protected]>
+Date: Wed, 11 Jun 2025 14:33:13 +0100
+Subject: [PATCH 02/42] KVM: Rename CONFIG_KVM_PRIVATE_MEM to CONFIG_KVM_GMEM
+
+The option KVM_PRIVATE_MEM enables guest_memfd in general. Subsequent
+patches add shared memory support to guest_memfd. Therefore, rename it
+to KVM_GMEM to make its purpose clearer.
+
+Reviewed-by: Ira Weiny <[email protected]>
+Reviewed-by: Gavin Shan <[email protected]>
+Reviewed-by: Shivank Garg <[email protected]>
+Reviewed-by: Vlastimil Babka <[email protected]>
+Co-developed-by: David Hildenbrand <[email protected]>
+Signed-off-by: David Hildenbrand <[email protected]>
+Signed-off-by: Fuad Tabba <[email protected]>
+---
+ arch/x86/include/asm/kvm_host.h |  2 +-
+ include/linux/kvm_host.h        | 10 +++++-----
+ virt/kvm/Kconfig                |  8 ++++----
+ virt/kvm/Makefile.kvm           |  2 +-
+ virt/kvm/kvm_main.c             |  4 ++--
+ virt/kvm/kvm_mm.h               |  4 ++--
+ 6 files changed, 15 insertions(+), 15 deletions(-)
+
+diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
+index b4a391929cdb..6e0bbf4c2202 100644
+--- a/arch/x86/include/asm/kvm_host.h
++++ b/arch/x86/include/asm/kvm_host.h
+@@ -2269,7 +2269,7 @@ void kvm_configure_mmu(bool enable_tdp, int tdp_forced_root_level,
+ 		       int tdp_max_root_level, int tdp_huge_page_level);
+ 
+ 
+-#ifdef CONFIG_KVM_PRIVATE_MEM
++#ifdef CONFIG_KVM_GMEM
+ #define kvm_arch_has_private_mem(kvm) ((kvm)->arch.has_private_mem)
+ #else
+ #define kvm_arch_has_private_mem(kvm) false
+diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
+index 3bde4fb5c6aa..b2c415e81e2e 100644
+--- a/include/linux/kvm_host.h
++++ b/include/linux/kvm_host.h
+@@ -601,7 +601,7 @@ struct kvm_memory_slot {
+ 	short id;
+ 	u16 as_id;
+ 
+-#ifdef CONFIG_KVM_PRIVATE_MEM
++#ifdef CONFIG_KVM_GMEM
+ 	struct {
+ 		/*
+ 		 * Writes protected by kvm->slots_lock.  Acquiring a
+@@ -722,7 +722,7 @@ static inline int kvm_arch_vcpu_memslots_id(struct kvm_vcpu *vcpu)
+  * Arch code must define kvm_arch_has_private_mem if support for private memory
+  * is enabled.
+  */
+-#if !defined(kvm_arch_has_private_mem) && !IS_ENABLED(CONFIG_KVM_PRIVATE_MEM)
++#if !defined(kvm_arch_has_private_mem) && !IS_ENABLED(CONFIG_KVM_GMEM)
+ static inline bool kvm_arch_has_private_mem(struct kvm *kvm)
+ {
+ 	return false;
+@@ -2527,7 +2527,7 @@ bool kvm_arch_post_set_memory_attributes(struct kvm *kvm,
+ 
+ static inline bool kvm_mem_is_private(struct kvm *kvm, gfn_t gfn)
+ {
+-	return IS_ENABLED(CONFIG_KVM_PRIVATE_MEM) &&
++	return IS_ENABLED(CONFIG_KVM_GMEM) &&
+ 	       kvm_get_memory_attributes(kvm, gfn) & KVM_MEMORY_ATTRIBUTE_PRIVATE;
+ }
+ #else
+@@ -2537,7 +2537,7 @@ static inline bool kvm_mem_is_private(struct kvm *kvm, gfn_t gfn)
+ }
+ #endif /* CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES */
+ 
+-#ifdef CONFIG_KVM_PRIVATE_MEM
++#ifdef CONFIG_KVM_GMEM
+ int kvm_gmem_get_pfn(struct kvm *kvm, struct kvm_memory_slot *slot,
+ 		     gfn_t gfn, kvm_pfn_t *pfn, struct page **page,
+ 		     int *max_order);
+@@ -2550,7 +2550,7 @@ static inline int kvm_gmem_get_pfn(struct kvm *kvm,
+ 	KVM_BUG_ON(1, kvm);
+ 	return -EIO;
+ }
+-#endif /* CONFIG_KVM_PRIVATE_MEM */
++#endif /* CONFIG_KVM_GMEM */
+ 
+ #ifdef CONFIG_HAVE_KVM_ARCH_GMEM_PREPARE
+ int kvm_arch_gmem_prepare(struct kvm *kvm, gfn_t gfn, kvm_pfn_t pfn, int max_order);
+diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
+index 727b542074e7..49df4e32bff7 100644
+--- a/virt/kvm/Kconfig
++++ b/virt/kvm/Kconfig
+@@ -112,19 +112,19 @@ config KVM_GENERIC_MEMORY_ATTRIBUTES
+        depends on KVM_GENERIC_MMU_NOTIFIER
+        bool
+ 
+-config KVM_PRIVATE_MEM
++config KVM_GMEM
+        select XARRAY_MULTI
+        bool
+ 
+ config KVM_GENERIC_PRIVATE_MEM
+        select KVM_GENERIC_MEMORY_ATTRIBUTES
+-       select KVM_PRIVATE_MEM
++       select KVM_GMEM
+        bool
+ 
+ config HAVE_KVM_ARCH_GMEM_PREPARE
+        bool
+-       depends on KVM_PRIVATE_MEM
++       depends on KVM_GMEM
+ 
+ config HAVE_KVM_ARCH_GMEM_INVALIDATE
+        bool
+-       depends on KVM_PRIVATE_MEM
++       depends on KVM_GMEM
+diff --git a/virt/kvm/Makefile.kvm b/virt/kvm/Makefile.kvm
+index 724c89af78af..8d00918d4c8b 100644
+--- a/virt/kvm/Makefile.kvm
++++ b/virt/kvm/Makefile.kvm
+@@ -12,4 +12,4 @@ kvm-$(CONFIG_KVM_ASYNC_PF) += $(KVM)/async_pf.o
+ kvm-$(CONFIG_HAVE_KVM_IRQ_ROUTING) += $(KVM)/irqchip.o
+ kvm-$(CONFIG_HAVE_KVM_DIRTY_RING) += $(KVM)/dirty_ring.o
+ kvm-$(CONFIG_HAVE_KVM_PFNCACHE) += $(KVM)/pfncache.o
+-kvm-$(CONFIG_KVM_PRIVATE_MEM) += $(KVM)/guest_memfd.o
++kvm-$(CONFIG_KVM_GMEM) += $(KVM)/guest_memfd.o
+diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
+index eec82775c5bf..898c3d5a7ba8 100644
+--- a/virt/kvm/kvm_main.c
++++ b/virt/kvm/kvm_main.c
+@@ -4910,7 +4910,7 @@ static int kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
+ 	case KVM_CAP_MEMORY_ATTRIBUTES:
+ 		return kvm_supported_mem_attributes(kvm);
+ #endif
+-#ifdef CONFIG_KVM_PRIVATE_MEM
++#ifdef CONFIG_KVM_GMEM
+ 	case KVM_CAP_GUEST_MEMFD:
+ 		return !kvm || kvm_arch_has_private_mem(kvm);
+ #endif
+@@ -5344,7 +5344,7 @@ static long kvm_vm_ioctl(struct file *filp,
+ 	case KVM_GET_STATS_FD:
+ 		r = kvm_vm_ioctl_get_stats_fd(kvm);
+ 		break;
+-#ifdef CONFIG_KVM_PRIVATE_MEM
++#ifdef CONFIG_KVM_GMEM
+ 	case KVM_CREATE_GUEST_MEMFD: {
+ 		struct kvm_create_guest_memfd guest_memfd;
+ 
+diff --git a/virt/kvm/kvm_mm.h b/virt/kvm/kvm_mm.h
+index acef3f5c582a..ec311c0d6718 100644
+--- a/virt/kvm/kvm_mm.h
++++ b/virt/kvm/kvm_mm.h
+@@ -67,7 +67,7 @@ static inline void gfn_to_pfn_cache_invalidate_start(struct kvm *kvm,
+ }
+ #endif /* HAVE_KVM_PFNCACHE */
+ 
+-#ifdef CONFIG_KVM_PRIVATE_MEM
++#ifdef CONFIG_KVM_GMEM
+ void kvm_gmem_init(struct module *module);
+ int kvm_gmem_create(struct kvm *kvm, struct kvm_create_guest_memfd *args);
+ int kvm_gmem_bind(struct kvm *kvm, struct kvm_memory_slot *slot,
+@@ -91,6 +91,6 @@ static inline void kvm_gmem_unbind(struct kvm_memory_slot *slot)
+ {
+ 	WARN_ON_ONCE(1);
+ }
+-#endif /* CONFIG_KVM_PRIVATE_MEM */
++#endif /* CONFIG_KVM_GMEM */
+ 
+ #endif /* __KVM_MM_H__ */
+-- 
+2.49.0
+