RE: [PATCH v2] powerpc/fsl-booke: declare tlbcam_index for use in c file
From: Liu Yu <hidden>
Date: 2009-01-04 06:57:38
Hi Kumar, Can I get your ack? So that I can submit this patch through KVM tree.
quoted hunk ↗ jump to hunk
-----Original Message----- From: Liu Yu-B13201=20 Sent: Friday, December 19, 2008 10:35 AM To: kvm-ppc@vger.kernel.org; linuxppc-dev@ozlabs.org Cc: hollisb@us.ibm.com; Gala Kumar-B11780; Piepho=20 Trent-B16872; Wood Scott-B07421; Liu Yu-B13201 Subject: [PATCH v2] powerpc/fsl-booke: declare tlbcam_index=20 for use in c file =20 KVM on E500 platform currently utilize TLB1 entries without=20 bothering host, that is using unused TLB1 entries. =20 So, KVM needs to read tlbcam_index to know exactly which TLB1 entry is unused by host. =20 Signed-off-by: Liu Yu <redacted> --- [v2] Remove num_tlbcam_entries declare and read from SPRN_TLB1CFG=20 in KVM instead. =20 arch/powerpc/include/asm/mmu-fsl-booke.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) =20diff --git a/arch/powerpc/include/asm/mmu-fsl-booke.h=20b/arch/powerpc/include/asm/mmu-fsl-booke.h index 925d93c..c86af6c 100644--- a/arch/powerpc/include/asm/mmu-fsl-booke.h +++ b/arch/powerpc/include/asm/mmu-fsl-booke.h@@ -73,6 +73,8 @@=20 #ifndef __ASSEMBLY__ =20 +extern unsigned int tlbcam_index; + typedef struct { unsigned long id; unsigned long vdso_base; --=20 1.5.4 =20 =20