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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 09:05:55 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 09:05:55 -0700
commitc548f08a4f7b89b93c805e0c4024b8302afa7121 (patch)
tree5cf791db4912831469b70390aa58376f1c724386 /arch/powerpc/kernel/entry_64.S
parent347c53dca73fca317d57781f510f5ff4f6c0d0d7 (diff)
parent4acadb965c4aa587aac29a0a91203c4745d6fb4e (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (24 commits) [POWERPC] Fix vmemmap warning in init_64.c [POWERPC] Fix 64 bits vDSO DWARF info for CR register [POWERPC] Add 1TB workaround for PA6T [POWERPC] Enable NO_HZ and high res timers for pseries and ppc64 configs [POWERPC] Quieten cache information at boot [POWERPC] Quieten clockevent printk [POWERPC] Enable SLUB in *_defconfig [POWERPC] Fix 1TB segment detection [POWERPC] Fix iSeries_hpte_insert prototype [POWERPC] Fix copyright symbol [POWERPC] ibmebus: Move to of_device and of_platform_driver, match eHCA and eHEA drivers [POWERPC] ibmebus: Add device creation and bus probing based on of_device [POWERPC] ibmebus: Remove bus match/probe/remove functions [POWERPC] Move of_device allocation into of_device.[ch] [POWERPC] mpc52xx: device tree changes for FEC and MDIO [POWERPC] bestcomm: GenBD task support [POWERPC] bestcomm: FEC task support [POWERPC] bestcomm: ATA task support [POWERPC] bestcomm: core bestcomm support for Freescale MPC5200 [POWERPC] mpc52xx: Update mpc52xx_psc structure with B revision changes ...
Diffstat (limited to 'arch/powerpc/kernel/entry_64.S')
-rw-r--r--arch/powerpc/kernel/entry_64.S6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 0ec13403489..148a3547c9a 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -408,6 +408,12 @@ END_FTR_SECTION_IFSET(CPU_FTR_1T_SEGMENT)
std r7,SLBSHADOW_STACKVSID(r9) /* Save VSID */
std r0,SLBSHADOW_STACKESID(r9) /* Save ESID */
+ /* No need to check for CPU_FTR_NO_SLBIE_B here, since when
+ * we have 1TB segments, the only CPUs known to have the errata
+ * only support less than 1TB of system memory and we'll never
+ * actually hit this code path.
+ */
+
slbie r6
slbie r6 /* Workaround POWER5 < DD2.1 issue */
slbmte r7,r0