From: Thomas Huth <thuth@redhat.com>
To: Janosch Frank <frankja@linux.ibm.com>, kvm@vger.kernel.org
Cc: linux-s390@vger.kernel.org, david@redhat.com
Subject: Re: [kvm-unit-tests PATCH v2 3/4] s390x: Move stsi to library
Date: Fri, 23 Aug 2019 12:34:29 +0200 [thread overview]
Message-ID: <bb1eab5b-de78-686d-0d3a-783b1353be6a@redhat.com> (raw)
In-Reply-To: <20190821104736.1470-4-frankja@linux.ibm.com>
On 8/21/19 12:47 PM, Janosch Frank wrote:
> It's needed in multiple tests now.
>
> Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
> ---
> lib/s390x/asm/arch_def.h | 16 ++++++++++++++++
> s390x/skey.c | 18 ------------------
> 2 files changed, 16 insertions(+), 18 deletions(-)
>
> diff --git a/lib/s390x/asm/arch_def.h b/lib/s390x/asm/arch_def.h
> index 4bbb428..5f8f45e 100644
> --- a/lib/s390x/asm/arch_def.h
> +++ b/lib/s390x/asm/arch_def.h
> @@ -240,4 +240,20 @@ static inline void enter_pstate(void)
> load_psw_mask(mask);
> }
>
> +static inline int stsi(void *addr, int fc, int sel1, int sel2)
> +{
> + register int r0 asm("0") = (fc << 28) | sel1;
> + register int r1 asm("1") = sel2;
> + int cc;
> +
> + asm volatile(
> + "stsi 0(%3)\n"
> + "ipm %[cc]\n"
> + "srl %[cc],28\n"
> + : "+d" (r0), [cc] "=d" (cc)
> + : "d" (r1), "a" (addr)
> + : "cc", "memory");
> + return cc;
Maybe mention the changed return value in the patch description.
Reviewed-by: Thomas Huth <thuth@redhat.com>
next prev parent reply other threads:[~2019-08-23 10:34 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-21 10:47 [kvm-unit-tests PATCH v2 0/4] s390x: More emulation tests Janosch Frank
2019-08-21 10:47 ` [kvm-unit-tests PATCH v2 1/4] s390x: Support PSW restart boot Janosch Frank
2019-08-21 13:23 ` David Hildenbrand
2019-08-23 10:31 ` David Hildenbrand
2019-08-21 10:47 ` [kvm-unit-tests PATCH v2 2/4] s390x: Diag288 test Janosch Frank
2019-08-23 10:30 ` Thomas Huth
2019-08-21 10:47 ` [kvm-unit-tests PATCH v2 3/4] s390x: Move stsi to library Janosch Frank
2019-08-21 13:27 ` David Hildenbrand
2019-08-23 10:34 ` Thomas Huth [this message]
2019-08-21 10:47 ` [kvm-unit-tests PATCH v2 4/4] s390x: STSI tests Janosch Frank
2019-08-23 10:57 ` Thomas Huth
2019-08-23 11:16 ` Janosch Frank
2019-08-22 11:11 ` [kvm-unit-tests PATCH] s390x: Add diag308 subcode 0 testing Janosch Frank
2019-08-23 11:00 ` David Hildenbrand
2019-08-23 11:33 ` Janosch Frank
2019-08-23 11:36 ` David Hildenbrand
2019-08-23 14:12 ` Thomas Huth
2019-08-23 14:41 ` Janosch Frank
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