[Xen-changelog] [xen stable-4.10] xen/arm: cpuerrata: Add MIDR_ALL_VERSIONS

[patchbot@xxxxxxx]

commit d1f4283a1d8405a480b4121e1efcfaec8bbdbffa
Author:     Julien Grall <julien.grall@xxxxxxxxxx>
AuthorDate: Tue Jan 16 14:23:35 2018 +0000
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Wed Jan 24 13:12:16 2018 -0800

    xen/arm: cpuerrata: Add MIDR_ALL_VERSIONS
    
    Introduce a new macro MIDR_ALL_VERSIONS to match all variant/revision of a
    given CPU model.
    
    This is part of XSA-254.
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    (cherry picked from commit ba73070af43a38d200413f446d6a718e108867b6)
---
 xen/arch/arm/cpuerrata.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/xen/arch/arm/cpuerrata.c b/xen/arch/arm/cpuerrata.c
index 772587c..c50d333 100644
--- a/xen/arch/arm/cpuerrata.c
+++ b/xen/arch/arm/cpuerrata.c
@@ -7,6 +7,12 @@
     .midr_range_min = min,              \
     .midr_range_max = max
 
+#define MIDR_ALL_VERSIONS(model)        \
+    .matches = is_affected_midr_range,  \
+    .midr_model = model,                \
+    .midr_range_min = 0,                \
+    .midr_range_max = (MIDR_VARIANT_MASK | MIDR_REVISION_MASK)
+
 static bool __maybe_unused
 is_affected_midr_range(const struct arm_cpu_capabilities *entry)
 {
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.10

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