* [GIT PULL 0/2] s390/cpacf: base patches for msa8 cpu model
@ 2017-04-26 12:38 Christian Borntraeger
2017-04-26 12:38 ` [GIT PULL 1/2] s390/cpacf: query instructions use unique parameters for compatibility with KMA Christian Borntraeger
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Christian Borntraeger @ 2017-04-26 12:38 UTC (permalink / raw)
To: Paolo Bonzini, Radim Krčmář, Martin Schwidefsky
Cc: KVM, Christian Borntraeger, Cornelia Huck, linux-s390, Heiko Carstens
Martin,
please pull the following branch to get two base patches that are
needed for the s390/kvm cpu model into your features branch.
I will also pull this branch as a base for an additional KVM patch.
The pull request for the KVM maintainers will follow after this one.
The following changes since commit 97da3854c526d3a6ee05c849c96e48d21527606c:
Linux 4.11-rc3 (2017-03-19 19:09:39 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git s390forkvm
for you to fetch changes up to 152c1c8d60ebedce8cc912c12f9be9ceca6c6671:
s390/cpacf: Introduce kma instruction (2017-04-26 14:15:43 +0200)
----------------------------------------------------------------
Jason J. Herne (2):
s390/cpacf: query instructions use unique parameters for compatibility with KMA
s390/cpacf: Introduce kma instruction
arch/s390/include/asm/cpacf.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
^ permalink raw reply [flat|nested] 4+ messages in thread* [GIT PULL 1/2] s390/cpacf: query instructions use unique parameters for compatibility with KMA 2017-04-26 12:38 [GIT PULL 0/2] s390/cpacf: base patches for msa8 cpu model Christian Borntraeger @ 2017-04-26 12:38 ` Christian Borntraeger 2017-04-26 12:38 ` [GIT PULL 2/2] s390/cpacf: Introduce kma instruction Christian Borntraeger 2017-04-27 7:53 ` [GIT PULL 0/2] s390/cpacf: base patches for msa8 cpu model Martin Schwidefsky 2 siblings, 0 replies; 4+ messages in thread From: Christian Borntraeger @ 2017-04-26 12:38 UTC (permalink / raw) To: Paolo Bonzini, Radim Krčmář, Martin Schwidefsky Cc: KVM, Christian Borntraeger, Cornelia Huck, linux-s390, Heiko Carstens, Jason J. Herne From: "Jason J. Herne" <jjherne@linux.vnet.ibm.com> The new KMA instruction requires unique parameters. Update __cpacf_query to generate a compatible assembler instruction. Signed-off-by: Jason J. Herne <jjherne@linux.vnet.ibm.com> Acked-by: Harald Freudenberger <freude@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> --- arch/s390/include/asm/cpacf.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/s390/include/asm/cpacf.h b/arch/s390/include/asm/cpacf.h index e2dfbf2..175a5d7 100644 --- a/arch/s390/include/asm/cpacf.h +++ b/arch/s390/include/asm/cpacf.h @@ -149,8 +149,8 @@ static inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask) asm volatile( " spm 0\n" /* pckmo doesn't change the cc */ - /* Parameter registers are ignored, but may not be 0 */ - "0: .insn rrf,%[opc] << 16,2,2,2,0\n" + /* Parameter regs are ignored, but must be nonzero and unique */ + "0: .insn rrf,%[opc] << 16,2,4,6,0\n" " brc 1,0b\n" /* handle partial completion */ : "=m" (*mask) : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (opcode) -- 2.7.4 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* [GIT PULL 2/2] s390/cpacf: Introduce kma instruction 2017-04-26 12:38 [GIT PULL 0/2] s390/cpacf: base patches for msa8 cpu model Christian Borntraeger 2017-04-26 12:38 ` [GIT PULL 1/2] s390/cpacf: query instructions use unique parameters for compatibility with KMA Christian Borntraeger @ 2017-04-26 12:38 ` Christian Borntraeger 2017-04-27 7:53 ` [GIT PULL 0/2] s390/cpacf: base patches for msa8 cpu model Martin Schwidefsky 2 siblings, 0 replies; 4+ messages in thread From: Christian Borntraeger @ 2017-04-26 12:38 UTC (permalink / raw) To: Paolo Bonzini, Radim Krčmář, Martin Schwidefsky Cc: KVM, Christian Borntraeger, Cornelia Huck, linux-s390, Heiko Carstens, Jason J. Herne From: "Jason J. Herne" <jjherne@linux.vnet.ibm.com> Provide a kma instruction definition for use by callers of __cpacf_query. Signed-off-by: Jason J. Herne <jjherne@linux.vnet.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> --- arch/s390/include/asm/cpacf.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/s390/include/asm/cpacf.h b/arch/s390/include/asm/cpacf.h index 175a5d7..31cac7d 100644 --- a/arch/s390/include/asm/cpacf.h +++ b/arch/s390/include/asm/cpacf.h @@ -26,6 +26,7 @@ #define CPACF_PCC 0xb92c /* MSA4 */ #define CPACF_KMCTR 0xb92d /* MSA4 */ #define CPACF_PPNO 0xb93c /* MSA5 */ +#define CPACF_KMA 0xb929 /* MSA8 */ /* * En/decryption modifier bits -- 2.7.4 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [GIT PULL 0/2] s390/cpacf: base patches for msa8 cpu model 2017-04-26 12:38 [GIT PULL 0/2] s390/cpacf: base patches for msa8 cpu model Christian Borntraeger 2017-04-26 12:38 ` [GIT PULL 1/2] s390/cpacf: query instructions use unique parameters for compatibility with KMA Christian Borntraeger 2017-04-26 12:38 ` [GIT PULL 2/2] s390/cpacf: Introduce kma instruction Christian Borntraeger @ 2017-04-27 7:53 ` Martin Schwidefsky 2 siblings, 0 replies; 4+ messages in thread From: Martin Schwidefsky @ 2017-04-27 7:53 UTC (permalink / raw) To: Christian Borntraeger Cc: Paolo Bonzini, Radim Krčmář, KVM, Cornelia Huck, linux-s390, Heiko Carstens On Wed, 26 Apr 2017 14:38:09 +0200 Christian Borntraeger <borntraeger@de.ibm.com> wrote: > Martin, > > please pull the following branch to get two base patches that are > needed for the s390/kvm cpu model into your features branch. > > I will also pull this branch as a base for an additional KVM patch. > The pull request for the KVM maintainers will follow after this one. > > The following changes since commit 97da3854c526d3a6ee05c849c96e48d21527606c: > > Linux 4.11-rc3 (2017-03-19 19:09:39 -0700) > > are available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git s390forkvm > > for you to fetch changes up to 152c1c8d60ebedce8cc912c12f9be9ceca6c6671: > > s390/cpacf: Introduce kma instruction (2017-04-26 14:15:43 +0200) > > ---------------------------------------------------------------- > Jason J. Herne (2): > s390/cpacf: query instructions use unique parameters for compatibility with KMA > s390/cpacf: Introduce kma instruction > > arch/s390/include/asm/cpacf.h | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) Now merged with linux-s390:features. Thanks. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2017-04-27 7:53 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2017-04-26 12:38 [GIT PULL 0/2] s390/cpacf: base patches for msa8 cpu model Christian Borntraeger 2017-04-26 12:38 ` [GIT PULL 1/2] s390/cpacf: query instructions use unique parameters for compatibility with KMA Christian Borntraeger 2017-04-26 12:38 ` [GIT PULL 2/2] s390/cpacf: Introduce kma instruction Christian Borntraeger 2017-04-27 7:53 ` [GIT PULL 0/2] s390/cpacf: base patches for msa8 cpu model Martin Schwidefsky
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