Merge branch 'for-linus' of git://github.com/richardweinberger/linux

* 'for-linus' of git://github.com/richardweinberger/linux: (90 commits)
  um: fix ubd cow size
  um: Fix kmalloc argument order in um/vdso/vma.c
  um: switch to use of drivers/Kconfig
  UserModeLinux-HOWTO.txt: fix a typo
  UserModeLinux-HOWTO.txt: remove ^H characters
  um: we need sys/user.h only on i386
  um: merge delay_{32,64}.c
  um: distribute exports to where exported stuff is defined
  um: kill system-um.h
  um: generic ftrace.h will do...
  um: segment.h is x86-only and needed only there
  um: asm/pda.h is not needed anymore
  um: hw_irq.h can go generic as well
  um: switch to generic-y
  um: clean Kconfig up a bit
  um: a couple of missing dependencies...
  um: kill useless argument of free_chan() and free_one_chan()
  um: unify ptrace_user.h
  um: unify KSTK_...
  um: fix gcov build breakage
  ...

3 files changed, 19 insertions, 4 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 423fd56bf61..43643033a3a 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -298,7 +298,7 @@ if RTC_LIB=n
 config RTC
         tristate "Enhanced Real Time Clock Support (legacy PC RTC driver)"
         depends on !PPC && !PARISC && !IA64 && !M68K && !SPARC && !FRV \
-                        && !ARM && !SUPERH && !S390 && !AVR32 && !BLACKFIN
+                        && !ARM && !SUPERH && !S390 && !AVR32 && !BLACKFIN && !UML
         ---help---
           If you say Y here and create a character special file /dev/rtc with
           major number 10 and minor number 135 using mknod ("man mknod"), you
@@ -346,7 +346,7 @@ config JS_RTC
 
 config GEN_RTC
         tristate "Generic /dev/rtc emulation"
-        depends on RTC!=y && !IA64 && !ARM && !M32R && !MIPS && !SPARC && !FRV && !S390 && !SUPERH && !AVR32 && !BLACKFIN
+        depends on RTC!=y && !IA64 && !ARM && !M32R && !MIPS && !SPARC && !FRV && !S390 && !SUPERH && !AVR32 && !BLACKFIN && !UML
         ---help---
           If you say Y here and create a character special file /dev/rtc with
           major number 10 and minor number 135 using mknod ("man mknod"), you
@@ -490,7 +490,7 @@ config SCx200_GPIO
 
 config PC8736x_GPIO
         tristate "NatSemi PC8736x GPIO Support"
-        depends on X86_32
+        depends on X86_32 && !UML
         default SCx200_GPIO     # mostly N
         select NSC_GPIO         # needed for support routines
         help
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index e0135873ba9..0689bf6b018 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -235,3 +235,18 @@ config HW_RANDOM_PPC4XX
          module will be called ppc4xx-rng.
 
          If unsure, say N.
+
+config UML_RANDOM
+        depends on UML
+        tristate "Hardware random number generator"
+        help
+          This option enables UML's "hardware" random number generator.  It
+          attaches itself to the host's /dev/random, supplying as much entropy
+          as the host has, rather than the small amount the UML gets from its
+          own drivers.  It registers itself as a standard hardware random number
+          generator, major 10, minor 183, and the canonical device name is
+          /dev/hwrng.
+          The way to make use of this is to install the rng-tools package
+          (check your distro, or download from
+          http://sourceforge.net/projects/gkernel/).  rngd periodically reads
+          /dev/hwrng and injects the entropy into /dev/random.
diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index a1f68af4ccf..f2286151190 100644
--- a/drivers/char/ttyprintk.c
+++ b/drivers/char/ttyprintk.c
@@ -170,7 +170,7 @@ static const struct tty_operations ttyprintk_ops = {
         .ioctl = tpk_ioctl,
 };
 
-struct tty_port_operations null_ops = { };
+static struct tty_port_operations null_ops = { };
 
 static struct tty_driver *ttyprintk_driver;