2020-05-07 14:11:53 +00:00
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From 1bf174015f7956d7014c8e575442fc3062a9296c Mon Sep 17 00:00:00 2001
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2020-04-23 20:47:21 +00:00
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From: Al Stone <ahs3@redhat.com>
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Date: Tue, 27 Feb 2018 00:21:23 -0500
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Subject: [PATCH] ACPI: APEI: arm64: Ignore broken HPE moonshot APEI support
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Message-id: <20180227002123.21608-1-ahs3@redhat.com>
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Patchwork-id: 206052
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O-Subject: [RHEL8 BZ1518076 PATCH] ACPI: APEI: arm64: Ignore broken HPE moonshot APEI support
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Bugzilla: 1518076
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RH-Acked-by: Mark Salter <msalter@redhat.com>
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RH-Acked-by: Jeremy McNicoll <jmcnicol@redhat.com>
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1518076
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Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=15417197
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Tested: compile-only; several other patches are required for full booting
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QE has tested limited boot (see comment#12 of BZ)
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This is a re-post of a RHEL-ALT-7.5 patch specific to aarch64 moonshots
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that we use in beaker. It is required for these machines to boot.
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commit 8a663a264863efedf8bb4a9d76ac603920fdd739
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Author: Robert Richter <rrichter@redhat.com>
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Date: Wed Aug 16 19:49:30 2017 -0400
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[acpi] APEI: arm64: Ignore broken HPE moonshot APEI support
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From: Mark Salter <msalter@redhat.com>
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1344237
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Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=13768971
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Tested: Booted on moonshot with patched 4.11.0-20 kernel
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Upstream: RHEL-only
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The aarch64 HP moonshot platforms we have in beaker and elsewhere have
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a firmware bug which causes a spurious fatal memory error via APEI at
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boot time. This platform is no longer supported and no further firmware
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updates are expected. This is a downstream-only hack to avoid the problem
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by bailing out of HEST table probing if we detect a moonshot HEST table.
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Signed-off-by: Mark Salter <msalter@redhat.com>
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Signed-off-by: Robert Richter <rrichter@redhat.com>
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Signed-off-by: Herton R. Krzesinski <herton@redhat.com>
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Upstream Status: RHEL only
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Signed-off-by: Al Stone <ahs3@redhat.com>
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Signed-off-by: Herton R. Krzesinski <herton@redhat.com>
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---
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drivers/acpi/apei/hest.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
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index 822402480f7d..3f87d8602560 100644
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--- a/drivers/acpi/apei/hest.c
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+++ b/drivers/acpi/apei/hest.c
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@@ -88,6 +88,14 @@ int apei_hest_parse(apei_hest_func_t func, void *data)
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if (hest_disable || !hest_tab)
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return -EINVAL;
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2020-04-27 02:15:20 +00:00
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2020-04-23 20:47:21 +00:00
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+#ifdef CONFIG_ARM64
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+ /* Ignore broken firmware */
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+ if (!strncmp(hest_tab->header.oem_id, "HPE ", 6) &&
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+ !strncmp(hest_tab->header.oem_table_id, "ProLiant", 8) &&
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+ MIDR_IMPLEMENTOR(read_cpuid_id()) == ARM_CPU_IMP_APM)
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+ return -EINVAL;
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+#endif
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+
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hest_hdr = (struct acpi_hest_header *)(hest_tab + 1);
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for (i = 0; i < hest_tab->error_source_count; i++) {
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len = hest_esrc_len(hest_hdr);
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--
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2020-04-27 02:15:20 +00:00
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2.26.2
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2020-04-23 20:47:21 +00:00
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