[Xen-changelog] [xen master] xen/arm: traps: Data Abort are always unconditional

[patchbot@xxxxxxx]

commit 950e6bcc335db96003cb360109a82c8b51e2957f
Author:     Julien Grall <julien.grall@xxxxxxx>
AuthorDate: Wed Jun 22 14:21:03 2016 +0100
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Thu Jul 14 12:13:14 2016 +0100

    xen/arm: traps: Data Abort are always unconditional
    
    The HSR encoding for an exception from a data abort does not contain a
    conditional code (see G6-4264 in ARM DDI 0487A.i) because they are
    always conditional.
    
    So drop the pointless condition check.
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/arm/traps.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index f7edd23..3326122 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -2436,12 +2436,6 @@ static void do_trap_data_abort_guest(struct 
cpu_user_regs *regs,
     int rc;
     mmio_info_t info;
 
-    if ( !check_conditional_instr(regs, hsr) )
-    {
-        advance_pc(regs, hsr);
-        return;
-    }
-
     info.dabt = dabt;
 #ifdef CONFIG_ARM_32
     info.gva = READ_CP32(HDFAR);
--
generated by git-patchbot for /home/xen/git/xen.git#master

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