From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: mpe@ellerman.id.au, npiggin@gmail.com, nathanl@linux.ibm.com,
linuxppc-dev@lists.ozlabs.org, Haren Myneni <haren@linux.ibm.com>
Subject: Re: [PATCH v2] powerpc/pseries/vas: Ignore VAS update for DLPAR if copy/paste is not enabled
Date: Thu, 06 Apr 2023 10:26:57 +1000 [thread overview]
Message-ID: <168074081764.3666874.3878218257202547858.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <1d0e727e7dbd9a28627ef08ca9df9c86a50175e2.camel@linux.ibm.com>
On Mon, 20 Mar 2023 19:50:08 -0700, Haren Myneni wrote:
> The hypervisor supports user-mode NX from Power10. pseries_vas_dlpar_cpu()
> is called from lparcfg_write() to update VAS windows for DLPAR event in
> shared processor mode and the kernel gets -ENOTSUPP for HCALLs if the
> user-mode NX is not supported. The current VAS implementation also
> supports only with Radix page tables. Whereas in dedicated processor
> mode, pseries_vas_notifier() is registered only if the copy/paste
> feature is enabled. So instead of displaying HCALL error messages,
> update VAS capabilities if the copy/paste feature is available.
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/pseries/vas: Ignore VAS update for DLPAR if copy/paste is not enabled
https://git.kernel.org/powerpc/c/eca9f6e6f83b6725b84e1c76fdde19b003cff0eb
cheers
prev parent reply other threads:[~2023-04-06 0:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-21 2:50 [PATCH v2] powerpc/pseries/vas: Ignore VAS update for DLPAR if copy/paste is not enabled Haren Myneni
2023-03-23 19:22 ` Nathan Lynch
2023-04-06 0:26 ` Michael Ellerman [this message]
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