From: David Hildenbrand <david@redhat.com>
To: Claudio Imbrenda <imbrenda@linux.ibm.com>, kvm@vger.kernel.org
Cc: linux-s390@vger.kernel.org, thuth@redhat.com,
borntraeger@de.ibm.com, frankja@linux.ibm.com
Subject: Re: [kvm-unit-tests PATCH v8 3/6] s390x: lib: fix stfl wrapper asm
Date: Tue, 21 Jan 2020 10:17:58 +0100 [thread overview]
Message-ID: <9f89b339-f9e1-57e5-da0a-d8a090b558cc@redhat.com> (raw)
In-Reply-To: <20200120184256.188698-4-imbrenda@linux.ibm.com>
On 20.01.20 19:42, Claudio Imbrenda wrote:
> the stfl wrapper in lib/s390x/asm/facility.h was lacking the "memory"
> clobber in the inline asm.
>
> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
> ---
> lib/s390x/asm/facility.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/s390x/asm/facility.h b/lib/s390x/asm/facility.h
> index 5103dd4..e34dc2c 100644
> --- a/lib/s390x/asm/facility.h
> +++ b/lib/s390x/asm/facility.h
> @@ -24,7 +24,7 @@ static inline bool test_facility(int nr)
>
> static inline void stfl(void)
> {
> - asm volatile(" stfl 0(0)\n");
> + asm volatile(" stfl 0(0)\n" : : : "memory");
> }
>
> static inline void stfle(uint8_t *fac, unsigned int len)
>
Reviewed-by: David Hildenbrand <david@redhat.com>
--
Thanks,
David / dhildenb
next prev parent reply other threads:[~2020-01-21 9:18 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-20 18:42 [kvm-unit-tests PATCH v8 0/6] s390x: SCLP Unit test Claudio Imbrenda
2020-01-20 18:42 ` [kvm-unit-tests PATCH v8 1/6] s390x: export sclp_setup_int Claudio Imbrenda
2020-01-20 18:42 ` [kvm-unit-tests PATCH v8 2/6] s390x: sclp: add service call instruction wrapper Claudio Imbrenda
2020-01-20 18:42 ` [kvm-unit-tests PATCH v8 3/6] s390x: lib: fix stfl wrapper asm Claudio Imbrenda
2020-01-21 6:15 ` Thomas Huth
2020-01-21 9:17 ` David Hildenbrand [this message]
2020-01-21 12:42 ` Janosch Frank
2020-01-20 18:42 ` [kvm-unit-tests PATCH v8 4/6] s390x: lib: add SPX and STPX instruction wrapper Claudio Imbrenda
2020-01-20 18:42 ` [kvm-unit-tests PATCH v8 5/6] s390x: lib: fix program interrupt handler if sclp_busy was set Claudio Imbrenda
2020-01-21 6:19 ` Thomas Huth
2020-01-21 9:18 ` David Hildenbrand
2020-01-20 18:42 ` [kvm-unit-tests PATCH v8 6/6] s390x: SCLP unit test Claudio Imbrenda
2020-01-22 9:55 ` David Hildenbrand
2020-01-22 10:10 ` David Hildenbrand
2020-01-22 10:22 ` David Hildenbrand
2020-01-22 10:31 ` Thomas Huth
2020-01-22 10:32 ` David Hildenbrand
2020-01-22 10:39 ` Thomas Huth
2020-01-22 10:40 ` David Hildenbrand
2020-01-22 11:20 ` David Hildenbrand
2020-01-22 12:13 ` Thomas Huth
2020-01-22 12:16 ` Thomas Huth
2020-01-22 14:15 ` strict aliasing in kvm-unit-tests (was: Re: [kvm-unit-tests PATCH v8 6/6] s390x: SCLP unit test) Thomas Huth
2020-01-22 14:42 ` Paolo Bonzini
2020-01-22 15:01 ` Laurent Vivier
2020-01-22 9:55 ` [kvm-unit-tests PATCH v8 0/6] s390x: SCLP Unit test David Hildenbrand
2020-01-22 10:02 ` David Hildenbrand
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