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From 003ad494e12c03291a61039302eb766372929130 Mon Sep 17 00:00:00 2001
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From: Suraj Jitindar Singh <sursingh@redhat.com>
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Date: Thu, 21 Jun 2018 06:56:49 +0200
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Subject: [PATCH 54/54] ppc/spapr_caps: Don't disable cap_cfpc on POWER8 by
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default
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RH-Author: Suraj Jitindar Singh <sursingh@redhat.com>
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Message-id: <1529564209-30369-4-git-send-email-sursingh@redhat.com>
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Patchwork-id: 80929
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O-Subject: [RHEL-7.6 qemu-kvm-rhev PATCH 3/3] ppc/spapr_caps: Don't disable cap_cfpc on POWER8 by default
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Bugzilla: 1560847
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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RH-Acked-by: David Gibson <dgibson@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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From: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
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In default_caps_with_cpu() we set spapr_cap_cfpc to broken for POWER8
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processors and before.
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Since we no longer require private l1d cache on POWER8 for this cap to
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be set to workaround change this to default to broken for POWER7
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processors and before.
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Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
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Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
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Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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(cherry picked from commit b2540203bdf4a390c3489146eae82ce237303653)
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1560847
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Signed-off-by: Suraj Jitindar Singh <sursingh@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/ppc/spapr_caps.c | 6 +-----
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1 file changed, 1 insertion(+), 5 deletions(-)
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diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c
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index 531e145..00e43a9 100644
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--- a/hw/ppc/spapr_caps.c
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+++ b/hw/ppc/spapr_caps.c
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@@ -335,14 +335,10 @@ static sPAPRCapabilities default_caps_with_cpu(sPAPRMachineState *spapr,
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caps = smc->default_caps;
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- if (!ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_00,
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- 0, spapr->max_compat_pvr)) {
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- caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_BROKEN;
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- }
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-
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if (!ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_2_07,
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0, spapr->max_compat_pvr)) {
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caps.caps[SPAPR_CAP_HTM] = SPAPR_CAP_OFF;
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+ caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_BROKEN;
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}
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if (!ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_2_06_PLUS,
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--
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1.8.3.1
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