From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Nicholas Piggin <npiggin@gmail.com>, kvm-ppc@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org, Fabiano Rosas <farosas@linux.ibm.com>
Subject: Re: [PATCH v2] KVM: PPC: Book3S HV: Save host FSCR in the P7/8 path
Date: Sun, 06 Jun 2021 21:34:53 +1000 [thread overview]
Message-ID: <162297929349.2342154.8811673378838617538.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20210526125851.3436735-1-npiggin@gmail.com>
On Wed, 26 May 2021 22:58:51 +1000, Nicholas Piggin wrote:
> Similar to commit 25edcc50d76c ("KVM: PPC: Book3S HV: Save and restore
> FSCR in the P9 path"), ensure the P7/8 path saves and restores the host
> FSCR. The logic explained in that patch actually applies there to the
> old path well: a context switch can be made before kvmppc_vcpu_run_hv
> restores the host FSCR and returns.
>
> Now both the p9 and the p7/8 paths now save and restore their FSCR, it
> no longer needs to be restored at the end of kvmppc_vcpu_run_hv
Applied to powerpc/fixes.
[1/1] KVM: PPC: Book3S HV: Save host FSCR in the P7/8 path
https://git.kernel.org/powerpc/c/1438709e6328925ef496dafd467dbd0353137434
cheers
WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Nicholas Piggin <npiggin@gmail.com>, kvm-ppc@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org, Fabiano Rosas <farosas@linux.ibm.com>
Subject: Re: [PATCH v2] KVM: PPC: Book3S HV: Save host FSCR in the P7/8 path
Date: Sun, 06 Jun 2021 11:34:53 +0000 [thread overview]
Message-ID: <162297929349.2342154.8811673378838617538.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20210526125851.3436735-1-npiggin@gmail.com>
On Wed, 26 May 2021 22:58:51 +1000, Nicholas Piggin wrote:
> Similar to commit 25edcc50d76c ("KVM: PPC: Book3S HV: Save and restore
> FSCR in the P9 path"), ensure the P7/8 path saves and restores the host
> FSCR. The logic explained in that patch actually applies there to the
> old path well: a context switch can be made before kvmppc_vcpu_run_hv
> restores the host FSCR and returns.
>
> Now both the p9 and the p7/8 paths now save and restore their FSCR, it
> no longer needs to be restored at the end of kvmppc_vcpu_run_hv
Applied to powerpc/fixes.
[1/1] KVM: PPC: Book3S HV: Save host FSCR in the P7/8 path
https://git.kernel.org/powerpc/c/1438709e6328925ef496dafd467dbd0353137434
cheers
next prev parent reply other threads:[~2021-06-06 11:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-26 12:58 [PATCH v2] KVM: PPC: Book3S HV: Save host FSCR in the P7/8 path Nicholas Piggin
2021-05-26 12:58 ` Nicholas Piggin
2021-05-26 14:44 ` Fabiano Rosas
2021-05-26 14:44 ` Fabiano Rosas
2021-06-06 11:34 ` Michael Ellerman [this message]
2021-06-06 11:34 ` Michael Ellerman
2021-06-24 14:01 ` Michael Ellerman
2021-06-24 14:01 ` Michael Ellerman
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