[uml-devel] [PATCH 07/14] uml: fix processor selection to exclude unsupported processors and features

[Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>]

From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>

Makes UML compile on any possible processor choice. The two problems were:

*) x86 code, when 386 is selected, checks at runtime boot_cpuflags, which we do
   not have.
*) 3Dnow support for memcpy() et al. does not compile currently and fixing this
   is not trivial, so simply disable it; with this change, if one selects MK7
   UML compiles (while it did not).

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>
---

 arch/i386/Kconfig.cpu |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/i386/Kconfig.cpu b/arch/i386/Kconfig.cpu
index 21c9a4e..fc4f2ab 100644
--- a/arch/i386/Kconfig.cpu
+++ b/arch/i386/Kconfig.cpu
@@ -7,6 +7,7 @@ choice
 
 config M386
 	bool "386"
+	depends on !UML
 	---help---
 	  This is the processor type of your CPU. This information is used for
 	  optimizing purposes. In order to compile a kernel that can run on
@@ -301,7 +302,7 @@ config X86_USE_PPRO_CHECKSUM
 
 config X86_USE_3DNOW
 	bool
-	depends on MCYRIXIII || MK7 || MGEODE_LX
+	depends on (MCYRIXIII || MK7 || MGEODE_LX) && !UML
 	default y
 
 config X86_OOSTORE
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