[Xen-changelog] [xen stable-4.6] xen/arm64: Add an helper to invalidate all instruction caches

[patchbot@xxxxxxx]

commit 59c54aa7445710c3417820a7a7357e8bfcb8e3e3
Author:     Julien Grall <julien.grall@xxxxxxx>
AuthorDate: Wed Jun 22 12:15:20 2016 +0100
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Mon Jun 12 14:12:15 2017 -0700

    xen/arm64: Add an helper to invalidate all instruction caches
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
    Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    master-commit-id: fb9d877a9c0f3d4d15db8f6e0c5506ea641862c6
---
 xen/include/asm-arm/arm64/page.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/xen/include/asm-arm/arm64/page.h b/xen/include/asm-arm/arm64/page.h
index 29a32cf..fbdc8fb 100644
--- a/xen/include/asm-arm/arm64/page.h
+++ b/xen/include/asm-arm/arm64/page.h
@@ -24,6 +24,12 @@ static inline void write_pte(lpae_t *p, lpae_t pte)
  * inline asm operand) */
 #define __clean_and_invalidate_dcache_one(R) "dc  civac, %" #R ";"
 
+/* Invalidate all instruction caches in Inner Shareable domain to PoU */
+static inline void invalidate_icache(void)
+{
+    asm volatile ("ic ialluis");
+}
+
 /*
  * Flush all hypervisor mappings from the TLB of the local processor.
  *
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.6

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