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author | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-02-17 13:07:21 +1100 |
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committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-02-17 13:07:21 +1100 |
commit | 9085631ed4cc58737b30471974751249408d3b3d (patch) | |
tree | 2f10c938f5403450d6ca3857effaa274ec1c7ebb /Documentation | |
parent | 99c25de667f2fba3ee69f5cc73df1f2fb15207a5 (diff) | |
parent | 3962d9226404dbb37f6575b2d1ae1004d07c7dee (diff) |
Merge remote-tracking branch 'ftrace/for-next'
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/static-keys.txt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/static-keys.txt b/Documentation/static-keys.txt index ea8d7b4e53f0..32a25fad0c1b 100644 --- a/Documentation/static-keys.txt +++ b/Documentation/static-keys.txt @@ -155,7 +155,9 @@ or: There are a few functions and macros that architectures must implement in order to take advantage of this optimization. If there is no architecture support, we -simply fall back to a traditional, load, test, and jump sequence. +simply fall back to a traditional, load, test, and jump sequence. Also, the +struct jump_entry table must be at least 4-byte aligned because the +static_key->entry field makes use of the two least significant bits. * select HAVE_ARCH_JUMP_LABEL, see: arch/x86/Kconfig |