[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-changelog] [xen stable-4.8] x86/emul: Fix emulator test harness build following a backport of 7c508612



commit 44c709e6304b199352a8574738cb4a8c549491c2
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Wed May 9 18:06:46 2018 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Wed May 9 18:06:49 2018 +0100

    x86/emul: Fix emulator test harness build following a backport of 7c508612
    
    The x86 emulator doesn't need to employ any Spectre v2 mitigations.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 tools/tests/x86_emulator/x86_emulate.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/tests/x86_emulator/x86_emulate.c 
b/tools/tests/x86_emulator/x86_emulate.c
index 58cfd8ae7d..ed3280b9dc 100644
--- a/tools/tests/x86_emulator/x86_emulate.c
+++ b/tools/tests/x86_emulator/x86_emulate.c
@@ -53,4 +53,9 @@ typedef bool bool_t;
 #define likely(x)     __builtin_expect(!!(x), true)
 #define unlikely(x)   __builtin_expect(!!(x), false)
 
+/* No Spectre mitigations needed for the test harness. */
+asm (".macro INDIRECT_CALL arg:req\n\t"
+     "call *\\arg\n\t"
+     ".endm");
+
 #include "x86_emulate/x86_emulate.c"
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.8

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/xen-changelog

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.