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authorRussell King <rmk+kernel@arm.linux.org.uk>2015-08-21 09:38:31 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2015-08-21 13:55:53 +0100
commita02d8dfd54cdf3b1b0464ccc2c1c4afe2c003a35 (patch)
treeb760333143b1fa4e3de0b6c22c854c67a1e47c4a /arch/arm/include/asm/domain.h
parent3c2aed5b28819564e1a07b4686bd89802bcc4d6b (diff)
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ARM: domains: keep vectors in separate domain
Keep the machine vectors in its own domain to avoid software based user access control from making the vector code inaccessible, and thereby deadlocking the machine. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/domain.h')
-rw-r--r--arch/arm/include/asm/domain.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h
index 08b601e..396a12e 100644
--- a/arch/arm/include/asm/domain.h
+++ b/arch/arm/include/asm/domain.h
@@ -43,6 +43,7 @@
#define DOMAIN_USER 1
#define DOMAIN_IO 0
#endif
+#define DOMAIN_VECTORS 3
/*
* Domain types
@@ -62,7 +63,8 @@
(domain_val(DOMAIN_USER, DOMAIN_CLIENT) | \
domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \
domain_val(DOMAIN_TABLE, DOMAIN_MANAGER) | \
- domain_val(DOMAIN_IO, DOMAIN_CLIENT))
+ domain_val(DOMAIN_IO, DOMAIN_CLIENT) | \
+ domain_val(DOMAIN_VECTORS, DOMAIN_CLIENT))
#ifndef __ASSEMBLY__
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