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authorAlex Shi <alex.shi@linaro.org>2016-03-17 12:51:17 +0800
committerAlex Shi <alex.shi@linaro.org>2016-03-17 12:51:17 +0800
commit127f7fb4c452328fa24f4c29eb403a97c5f7ea8c (patch)
treef76942e04ec3ca226503c74b0c04130ffb7d4c4c /Documentation
parentfa6e6c7406806f9d4119703e4c3ad661c25b99ee (diff)
parent6d0b88c88bf58bfd89ffbdaa97b03617fe8c6478 (diff)
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/arm/omap/omap.txt1
-rw-r--r--Documentation/virtual/kvm/mmu.txt3
2 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt
index 9f4e5136e568..12af302bca6a 100644
--- a/Documentation/devicetree/bindings/arm/omap/omap.txt
+++ b/Documentation/devicetree/bindings/arm/omap/omap.txt
@@ -23,6 +23,7 @@ Optional properties:
during suspend.
- ti,no-reset-on-init: When present, the module should not be reset at init
- ti,no-idle-on-init: When present, the module should not be idled at init
+- ti,no-idle: When present, the module is never allowed to idle.
Example:
diff --git a/Documentation/virtual/kvm/mmu.txt b/Documentation/virtual/kvm/mmu.txt
index 3a4d681c3e98..b653641d4261 100644
--- a/Documentation/virtual/kvm/mmu.txt
+++ b/Documentation/virtual/kvm/mmu.txt
@@ -358,7 +358,8 @@ In the first case there are two additional complications:
- if CR4.SMEP is enabled: since we've turned the page into a kernel page,
the kernel may now execute it. We handle this by also setting spte.nx.
If we get a user fetch or read fault, we'll change spte.u=1 and
- spte.nx=gpte.nx back.
+ spte.nx=gpte.nx back. For this to work, KVM forces EFER.NX to 1 when
+ shadow paging is in use.
- if CR4.SMAP is disabled: since the page has been changed to a kernel
page, it can not be reused when CR4.SMAP is enabled. We set
CR4.SMAP && !CR0.WP into shadow page's role to avoid this case. Note,