Re: [kvm-unit-tests PATCH v1] s390x: spec_ex: load full register

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

 



On 8/11/23 13:29, Nico Boehr wrote:
There may be contents left in the upper 32 bits of executed_addr; hence
we should use a 64-bit load to make sure they are overwritten.

Signed-off-by: Nico Boehr <nrb@xxxxxxxxxxxxx>

I've pushed this to devel since it seems you didn't do that yourself.

---
  s390x/spec_ex.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/s390x/spec_ex.c b/s390x/spec_ex.c
index e3dd85dcb153..72b942576369 100644
--- a/s390x/spec_ex.c
+++ b/s390x/spec_ex.c
@@ -142,7 +142,7 @@ static int psw_odd_address(void)
  		"	larl	%%r1,0f\n"
  		"	stg	%%r1,%[fixup_addr]\n"
  		"	lpswe	%[odd_psw]\n"
-		"0:	lr	%[executed_addr],%%r0\n"
+		"0:	lgr	%[executed_addr],%%r0\n"
  	: [fixup_addr] "=&T" (fixup_psw.addr),
  	  [executed_addr] "=d" (executed_addr)
  	: [odd_psw] "Q" (odd)




[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux