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authorJohn David Anglin <dave.anglin@bell.net>2013-01-13 22:04:18 +0000
committerHelge Deller <deller@gmx.de>2013-02-20 22:46:46 +0100
commit1c4c6597b67f9986a09b34deb337a8b14f4adf3a (patch)
tree6916ece9d3ff059721fbfb3a261c9caa3358b44c
parent0e39718b988b84860a6c291a2c82c9cb75e3b8a9 (diff)
downloadlinux-1c4c6597b67f9986a09b34deb337a8b14f4adf3a.tar.gz
parisc: Fix comment describing setup of access rights in entry.S
This comment describes incredibly subtle code, so it should be right! Signed-off-by: John David Anglin <dave.anglin@bell.net> Signed-off-by: Helge Deller <deller@gmx.de>
-rw-r--r--arch/parisc/kernel/entry.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index eb7850b46c2..7c9648919c9 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -483,7 +483,7 @@
* B <-> _PAGE_DMB (memory break)
*
* Then incredible subtlety: The access rights are
- * _PAGE_GATEWAY _PAGE_EXEC _PAGE_READ
+ * _PAGE_GATEWAY, _PAGE_EXEC and _PAGE_WRITE
* See 3-14 of the parisc 2.0 manual
*
* Finally, _PAGE_READ goes in the top bit of PL1 (so we
@@ -493,7 +493,7 @@
/* PAGE_USER indicates the page can be read with user privileges,
* so deposit X1|11 to PL1|PL2 (remember the upper bit of PL1
- * contains _PAGE_READ */
+ * contains _PAGE_READ) */
extrd,u,*= \pte,_PAGE_USER_BIT+32,1,%r0
depdi 7,11,3,\prot
/* If we're a gateway page, drop PL2 back to zero for promotion