676c84f7d1
* Mon Jun 08 2020 Justin M. Forbes <jforbes@fedoraproject.org> [5.8.0-0.rc0.20200608gitaf7b4801030c.1]
- Fedora config updates ("Justin M. Forbes")
Resolves: rhbz#
Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
124 lines
4.3 KiB
Diff
124 lines
4.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Laura Abbott <labbott@redhat.com>
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Date: Sun, 10 Feb 2019 01:27:54 +0000
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Subject: [PATCH] ipmi: do not configure ipmi for HPE m400
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1670017
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Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=20147017
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Commit 913a89f009d9 ("ipmi: Don't initialize anything in the core until
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something uses it") added new locking which broke context.
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Message-id: <20180713142210.15700-1-tcamuso@redhat.com>
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Patchwork-id: 224899
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O-Subject: [RHEL8 BZ 1583537 1/1] ipmi: do not configure ipmi for HPE m400
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Bugzilla: 1583537
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RH-Acked-by: Dean Nelson <dnelson@redhat.com>
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RH-Acked-by: Al Stone <ahs3@redhat.com>
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RH-Acked-by: Mark Salter <msalter@redhat.com>
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bugzilla:https://bugzilla.redhat.com/show_bug.cgi?id=1583537
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brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=17150528
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RHEL-only
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The ARM-based HPE m400 reports host-side ipmi as residing in intel
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port-io space, which does not exist in ARM processors. Therefore, when
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running on an m400, host-side ipmi configuration code must simply return
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zero without trying to configure the host-side ipmi.
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This patch prevents panic on boot by averting attempts to configure
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host-side ipmi on this platform.
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Though HPE m400 is not certified with RHEL, and HPE has relegated it to
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EOL status, the platform is still used extensively in ARM development
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and test for RHEL.
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Testing:
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Boot without blacklisting ipmi and check to see that no ipmi modules
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are loaded.
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Signed-off-by: Tony Camuso <tcamuso@redhat.com>
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cc: Prarit Bhargava <prarit@redhat.com>
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cc: Brendan Conoboy <blc@redhat.com>
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cc: Jeff Bastian <jbastian@redhat.com>
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cc: Scott Herold <sherold@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: Laura Abbott <labbott@redhat.com>
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Acked-by: Tony Camuso <tcamuso@redhat.com>
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Acked-by: Dean Nelson <dnelson@redhat.com>
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Acked-by: Jarod Wilson <jarod@redhat.com>
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Acked-by: Mark Salter <msalter@redhat.com>
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---
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drivers/char/ipmi/ipmi_dmi.c | 15 +++++++++++++++
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drivers/char/ipmi/ipmi_msghandler.c | 16 +++++++++++++++-
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2 files changed, 30 insertions(+), 1 deletion(-)
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diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c
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index bbf7029e224b..cf7faa970dd6 100644
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--- a/drivers/char/ipmi/ipmi_dmi.c
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+++ b/drivers/char/ipmi/ipmi_dmi.c
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@@ -215,6 +215,21 @@ static int __init scan_for_dmi_ipmi(void)
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{
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const struct dmi_device *dev = NULL;
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+#ifdef CONFIG_ARM64
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+ /* RHEL-only
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+ * If this is ARM-based HPE m400, return now, because that platform
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+ * reports the host-side ipmi address as intel port-io space, which
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+ * does not exist in the ARM architecture.
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+ */
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+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME);
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+
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+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) {
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+ pr_debug("%s does not support host ipmi\n", dmistr);
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+ return 0;
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+ }
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+ /* END RHEL-only */
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+#endif
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+
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while ((dev = dmi_find_device(DMI_DEV_TYPE_IPMI, NULL, dev)))
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dmi_decode_ipmi((const struct dmi_header *) dev->device_data);
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diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
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index e1b22fe0916c..894eda427214 100644
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--- a/drivers/char/ipmi/ipmi_msghandler.c
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+++ b/drivers/char/ipmi/ipmi_msghandler.c
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@@ -34,6 +34,7 @@
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#include <linux/uuid.h>
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#include <linux/nospec.h>
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#include <linux/vmalloc.h>
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+#include <linux/dmi.h>
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#define IPMI_DRIVER_VERSION "39.2"
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@@ -5155,8 +5156,21 @@ static int __init ipmi_init_msghandler_mod(void)
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{
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int rv;
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- pr_info("version " IPMI_DRIVER_VERSION "\n");
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+#ifdef CONFIG_ARM64
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+ /* RHEL-only
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+ * If this is ARM-based HPE m400, return now, because that platform
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+ * reports the host-side ipmi address as intel port-io space, which
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+ * does not exist in the ARM architecture.
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+ */
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+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME);
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+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) {
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+ pr_debug("%s does not support host ipmi\n", dmistr);
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+ return -ENOSYS;
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+ }
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+ /* END RHEL-only */
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+#endif
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+ pr_info("version " IPMI_DRIVER_VERSION "\n");
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mutex_lock(&ipmi_interfaces_mutex);
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rv = ipmi_register_driver();
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mutex_unlock(&ipmi_interfaces_mutex);
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--
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2.26.2
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