path: root/Documentation
diff options
Diffstat (limited to 'Documentation')
4 files changed, 15 insertions, 23 deletions
diff --git a/Documentation/coccinelle.txt b/Documentation/coccinelle.txt
index cf44eb6499b..dffa2d620d6 100644
--- a/Documentation/coccinelle.txt
+++ b/Documentation/coccinelle.txt
@@ -87,6 +87,10 @@ As any static code analyzer, Coccinelle produces false
positives. Thus, reports must be carefully checked, and patches
+To enable verbose messages set the V= variable, for example:
+ make coccicheck MODE=report V=1
Using Coccinelle with a single semantic patch
diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt
index a686f9cd69c..c858f8419eb 100644
--- a/Documentation/kbuild/kconfig-language.txt
+++ b/Documentation/kbuild/kconfig-language.txt
@@ -388,26 +388,3 @@ config FOO
depends on BAR && m
limits FOO to module (=m) or disabled (=n).
-Kconfig symbol existence
-The following two methods produce the same kconfig symbol dependencies
-but differ greatly in kconfig symbol existence (production) in the
-generated config file.
-case 1:
-config FOO
- tristate "about foo"
- depends on BAR
-vs. case 2:
-if BAR
-config FOO
- tristate "about foo"
-In case 1, the symbol FOO will always exist in the config file (given
-no other dependencies). In case 2, the symbol FOO will only exist in
-the config file if BAR is enabled.
diff --git a/Documentation/kbuild/kconfig.txt b/Documentation/kbuild/kconfig.txt
index a09f1a6a830..b8b77bbc784 100644
--- a/Documentation/kbuild/kconfig.txt
+++ b/Documentation/kbuild/kconfig.txt
If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not
break symlinks when .config is a symlink to somewhere else.
+If you set CONFIG_ in the environment, Kconfig will prefix all symbols
+with its value when saving the configuration, instead of using the default,
Environment variables for '{allyes/allmod/allno/rand}config'
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1da94654877..e567af39ee3 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -564,6 +564,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
UART at the specified I/O port or MMIO address,
switching to the matching ttyS device later. The
options are the same as for ttyS, above.
+ hvc<n> Use the hypervisor console device <n>. This is for
+ both Xen and PowerPC hypervisors.
If the device connected to the port is not a TTY but a braille
device, prepend "brl," before the device type, for instance
@@ -757,6 +759,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
earlyprintk= [X86,SH,BLACKFIN]
+ earlyprintk=xen
@@ -774,6 +777,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
The VGA output is eventually overwritten by the real
+ The xen output can only be used by Xen PV guests.
ekgdboc= [X86,KGDB] Allow early kernel console debugging