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authorJakub Kicinski <kuba@kernel.org>2022-11-18 03:19:14 +0300
committerJakub Kicinski <kuba@kernel.org>2022-11-18 05:30:39 +0300
commit224b744abf9f0663ca6762a79c7298b663fa4f04 (patch)
tree4f6a817547e7d0584d96cd539a3d63be75059cf1 /Documentation
parentb4b221bd79a1c698d9653e3ae2c3cb61cdc9aee7 (diff)
parent847ccab8fdcf4a0cd85a278480fab1ccdc9f6136 (diff)
downloadlinux-224b744abf9f0663ca6762a79c7298b663fa4f04.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
include/linux/bpf.h 1f6e04a1c7b8 ("bpf: Fix offset calculation error in __copy_map_value and zero_map_value") aa3496accc41 ("bpf: Refactor kptr_off_tab into btf_record") f71b2f64177a ("bpf: Refactor map->off_arr handling") https://lore.kernel.org/all/20221114095000.67a73239@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/dev-tools/kmsan.rst1
-rw-r--r--Documentation/virt/kvm/devices/vm.rst3
2 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/dev-tools/kmsan.rst b/Documentation/dev-tools/kmsan.rst
index 2a53a801198c..55fa82212eb2 100644
--- a/Documentation/dev-tools/kmsan.rst
+++ b/Documentation/dev-tools/kmsan.rst
@@ -67,6 +67,7 @@ uninitialized in the local variable, as well as the stack where the value was
copied to another memory location before use.
A use of uninitialized value ``v`` is reported by KMSAN in the following cases:
+
- in a condition, e.g. ``if (v) { ... }``;
- in an indexing or pointer dereferencing, e.g. ``array[v]`` or ``*v``;
- when it is copied to userspace or hardware, e.g. ``copy_to_user(..., &v, ...)``;
diff --git a/Documentation/virt/kvm/devices/vm.rst b/Documentation/virt/kvm/devices/vm.rst
index 0aa5b1cfd700..60acc39e0e93 100644
--- a/Documentation/virt/kvm/devices/vm.rst
+++ b/Documentation/virt/kvm/devices/vm.rst
@@ -215,6 +215,7 @@ KVM_S390_VM_TOD_EXT).
:Parameters: address of a buffer in user space to store the data (u8) to
:Returns: -EFAULT if the given address is not accessible from kernel space;
-EINVAL if setting the TOD clock extension to != 0 is not supported
+ -EOPNOTSUPP for a PV guest (TOD managed by the ultravisor)
3.2. ATTRIBUTE: KVM_S390_VM_TOD_LOW
-----------------------------------
@@ -224,6 +225,7 @@ the POP (u64).
:Parameters: address of a buffer in user space to store the data (u64) to
:Returns: -EFAULT if the given address is not accessible from kernel space
+ -EOPNOTSUPP for a PV guest (TOD managed by the ultravisor)
3.3. ATTRIBUTE: KVM_S390_VM_TOD_EXT
-----------------------------------
@@ -237,6 +239,7 @@ it, it is stored as 0 and not allowed to be set to a value != 0.
(kvm_s390_vm_tod_clock) to
:Returns: -EFAULT if the given address is not accessible from kernel space;
-EINVAL if setting the TOD clock extension to != 0 is not supported
+ -EOPNOTSUPP for a PV guest (TOD managed by the ultravisor)
4. GROUP: KVM_S390_VM_CRYPTO
============================