Hi Will,
On 2020-09-07 16:23, Will Deacon wrote:
Now that KVM is using the generic page-table code to manage the guest
stage-2 page-tables, we can remove a bunch of unused macros, #defines
and static inline functions from the old implementation.
Cc: Marc Zyngier <maz@xxxxxxxxxx>
Cc: Quentin Perret <qperret@xxxxxxxxxx>
Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>
Signed-off-by: Will Deacon <will@xxxxxxxxxx>
---
arch/arm64/include/asm/kvm_mmu.h | 171 ------
arch/arm64/include/asm/pgtable-hwdef.h | 17 -
arch/arm64/include/asm/pgtable-prot.h | 13 -
arch/arm64/include/asm/stage2_pgtable.h | 215 -------
arch/arm64/kvm/mmu.c | 755 ------------------------
5 files changed, 1171 deletions(-)
[...]
diff --git a/arch/arm64/include/asm/pgtable-hwdef.h
b/arch/arm64/include/asm/pgtable-hwdef.h
index 1a989353144e..bb97d464f42b 100644
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -172,23 +172,6 @@
#define PTE_ATTRINDX(t) (_AT(pteval_t, (t)) << 2)
#define PTE_ATTRINDX_MASK (_AT(pteval_t, 7) << 2)
-/*
- * 2nd stage PTE definitions
- */
-#define PTE_S2_RDONLY (_AT(pteval_t, 1) << 6) /* HAP[2:1] */
-#define PTE_S2_RDWR (_AT(pteval_t, 3) << 6) /* HAP[2:1] */
-#define PTE_S2_XN (_AT(pteval_t, 2) << 53) /* XN[1:0] */
-#define PTE_S2_SW_RESVD (_AT(pteval_t, 15) << 55) /* Reserved for SW
*/
-
-#define PMD_S2_RDONLY (_AT(pmdval_t, 1) << 6) /* HAP[2:1] */
-#define PMD_S2_RDWR (_AT(pmdval_t, 3) << 6) /* HAP[2:1] */
-#define PMD_S2_XN (_AT(pmdval_t, 2) << 53) /* XN[1:0] */
-#define PMD_S2_SW_RESVD (_AT(pmdval_t, 15) << 55) /* Reserved for SW
*/
-
-#define PUD_S2_RDONLY (_AT(pudval_t, 1) << 6) /* HAP[2:1] */
-#define PUD_S2_RDWR (_AT(pudval_t, 3) << 6) /* HAP[2:1] */
-#define PUD_S2_XN (_AT(pudval_t, 2) << 53) /* XN[1:0] */
-
/*
* Memory Attribute override for Stage-2 (MemAttr[3:0])
*/
This breaks the (still out of tree) NV patches, which use some of
these definitions as part of the architectural S2 PTW.
I can either keep a KVM-private copy, or revert this hunk. What do
you think?
M.
--
Jazz is not dead. It just smells funny...
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