[Xen-changelog] [xen master] xen/arm: traps: Print a message in debug build when a guest dabt is not handled

[patchbot@xxxxxxx]

commit f91fab5eeab9d97123e29876b1d61dc80b31c6de
Author:     Julien Grall <julien.grall@xxxxxxxxxx>
AuthorDate: Thu May 28 10:10:47 2015 +0100
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Wed Jun 3 11:12:02 2015 +0100

    xen/arm: traps: Print a message in debug build when a guest dabt is not 
handled
    
    This is useful for debugging low level kernel before the guest as setup
    the vector table.
    
    Note that the value of the IPA is only here for reference and may not
    always be valid if the error came from a stage 1 table translation walk.
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
    Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
    [ ijc -- dropped spurious w/s change ]
---
 xen/arch/arm/traps.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index 47d6cef..258d4c5 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -2413,6 +2413,8 @@ static void do_trap_data_abort_guest(struct cpu_user_regs 
*regs,
     }
 
 bad_data_abort:
+    gdprintk(XENLOG_DEBUG, "HSR=0x%x pc=%#"PRIregister" gva=%#"PRIvaddr
+             " gpa=%#"PRIpaddr"\n", hsr.bits, regs->pc, info.gva, info.gpa);
     inject_dabt_exception(regs, info.gva, hsr.len);
 }
 
--
generated by git-patchbot for /home/xen/git/xen.git#master

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