Re: [kvm-unit-tests PATCH 4/5] s390x: smp: Allocate memory in DMA31 space

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On 1/14/22 13:57, Claudio Imbrenda wrote:
On Fri, 14 Jan 2022 13:50:52 +0100
Nico Boehr <nrb@xxxxxxxxxxxxx> wrote:

On Fri, 2022-01-14 at 10:02 +0000, Janosch Frank wrote:
The store status at address order works with 31 bit addresses so
let's
use them.

Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
---
  s390x/smp.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/s390x/smp.c b/s390x/smp.c
index 32f128b3..c91f170b 100644
--- a/s390x/smp.c
+++ b/s390x/smp.c

[...]

@@ -244,7 +244,7 @@ static void test_func_initial(void)
 static void test_reset_initial(void)
  {
-       struct cpu_status *status = alloc_pages(0);
+       struct cpu_status *status = alloc_pages_flags(1, AREA_DMA31);

Why do we need two pages now?

oh, good catch

Indeed


the next patch has the same issue

I can fix them up when I queue them


Probably because I copied that line from somewhere :-)
Yeah, you can fix that up if you want.




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