From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Bharata B Rao <bharata@linux.ibm.com>, linuxppc-dev@lists.ozlabs.org
Cc: aneesh.kumar@linux.ibm.com, npiggin@gmail.com
Subject: Re: [PATCH v3 0/3] Off-load TLB invalidations to host for !GTSE
Date: Thu, 16 Jul 2020 22:55:45 +1000 (AEST) [thread overview]
Message-ID: <159490400851.3805857.417883173860793581.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20200703053608.12884-1-bharata@linux.ibm.com>
On Fri, 3 Jul 2020 11:06:05 +0530, Bharata B Rao wrote:
> Hypervisor may choose not to enable Guest Translation Shootdown Enable
> (GTSE) option for the guest. When GTSE isn't ON, the guest OS isn't
> permitted to use instructions like tblie and tlbsync directly, but is
> expected to make hypervisor calls to get the TLB flushed.
>
> This series enables the TLB flush routines in the radix code to
> off-load TLB flushing to hypervisor via the newly proposed hcall
> H_RPT_INVALIDATE.
>
> [...]
Applied to powerpc/next.
[1/3] powerpc/mm: Enable radix GTSE only if supported.
https://git.kernel.org/powerpc/c/029ab30b4c0a7ec587eece1ec07c3981fdff2bed
[2/3] powerpc/pseries: H_REGISTER_PROC_TBL should ask for GTSE only if enabled
https://git.kernel.org/powerpc/c/b6c84175078ff022b343b7b0737aeb33001ca90c
[3/3] powerpc/mm/book3s64/radix: Off-load TLB invalidations to host when !GTSE
https://git.kernel.org/powerpc/c/dd3d9aa5589c52efaec12ffeb84f0f5f8208fbc3
cheers
next prev parent reply other threads:[~2020-07-16 13:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-03 5:36 [PATCH v3 0/3] Off-load TLB invalidations to host for !GTSE Bharata B Rao
2020-07-03 5:36 ` [PATCH v3 1/3] powerpc/mm: Enable radix GTSE only if supported Bharata B Rao
2020-07-06 1:49 ` Santosh Sivaraj
2020-07-06 4:17 ` Bharata B Rao
2020-07-03 5:36 ` [PATCH v3 2/3] powerpc/pseries: H_REGISTER_PROC_TBL should ask for GTSE only if enabled Bharata B Rao
2020-07-03 5:36 ` [PATCH v3 3/3] powerpc/mm/book3s64/radix: Off-load TLB invalidations to host when !GTSE Bharata B Rao
2020-07-16 12:55 ` Michael Ellerman [this message]
2020-07-16 17:27 ` [PATCH v3 0/3] Off-load TLB invalidations to host for !GTSE Qian Cai
2020-07-16 17:27 ` Qian Cai
2020-07-16 23:09 ` Stephen Rothwell
2020-07-16 23:09 ` Stephen Rothwell
2020-07-17 2:08 ` Nicholas Piggin
2020-07-17 2:08 ` Nicholas Piggin
2020-07-17 2:44 ` Nicholas Piggin
2020-07-17 2:44 ` Nicholas Piggin
2020-07-17 4:28 ` Bharata B Rao
2020-07-17 4:28 ` Bharata B Rao
2020-07-18 12:40 ` Michael Ellerman
2020-07-18 12:40 ` Michael Ellerman
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