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From: Mike Travis <mike.travis@hpe.com>
To: Hans de Goede <hdegoede@redhat.com>,
	Justin Ernst <justin.ernst@hpe.com>,
	Mark Gross <mgross@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, Steve Wahl <steve.wahl@hpe.com>
Cc: Mike Travis <mike.travis@hpe.com>,
	Dimitri Sivanich <dimitri.sivanich@hpe.com>,
	Russ Anderson <russ.anderson@hpe.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Ilya Dryomov <idryomov@gmail.com>,
	linux-kernel@vger.kernel.org,
	platform-driver-x86@vger.kernel.org
Subject: [PATCH v2 4/5] x86/platform/uv: Add deprecated messages to /proc info leaves
Date: Fri, 27 Nov 2020 21:42:26 -0600	[thread overview]
Message-ID: <20201128034227.120869-5-mike.travis@hpe.com> (raw)
In-Reply-To: <20201128034227.120869-1-mike.travis@hpe.com>

Add "deprecated" message to any access to old /proc/sgi_uv/* leaves.

Signed-off-by: Mike Travis <mike.travis@hpe.com>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
---
 arch/x86/kernel/apic/x2apic_uv_x.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 48746031b39a..4248579825fb 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -1615,21 +1615,33 @@ static void check_efi_reboot(void)
 		reboot_type = BOOT_ACPI;
 }
 
-/* Setup user proc fs files */
+/*
+ * User proc fs file handling now deprecated.
+ * Recommend using /sys/firmware/sgi_uv/... instead.
+ */
 static int __maybe_unused proc_hubbed_show(struct seq_file *file, void *data)
 {
+	pr_notice_once(
+		"%s: using deprecated /proc/sgi_uv/hubbed, use /sys/firmware/sgi_uv/hub_type\n",
+		current->comm);
 	seq_printf(file, "0x%x\n", uv_hubbed_system);
 	return 0;
 }
 
 static int __maybe_unused proc_hubless_show(struct seq_file *file, void *data)
 {
+	pr_notice_once(
+		"%s: using deprecated /proc/sgi_uv/hubless, use /sys/firmware/sgi_uv/hubless\n",
+		current->comm);
 	seq_printf(file, "0x%x\n", uv_hubless_system);
 	return 0;
 }
 
 static int __maybe_unused proc_archtype_show(struct seq_file *file, void *data)
 {
+	pr_notice_once(
+		"%s: using deprecated /proc/sgi_uv/archtype, use /sys/firmware/sgi_uv/archtype\n",
+		current->comm);
 	seq_printf(file, "%s/%s\n", uv_archtype, oem_table_id);
 	return 0;
 }
-- 
2.21.0


  parent reply	other threads:[~2020-11-28  4:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-28  3:42 [PATCH v2 0/5] x86/platform/uv: Move UV procfs leaves to sysfs Mike Travis
2020-11-28  3:42 ` [PATCH v2 1/5] x86/platform/uv: Add kernel interfaces for obtaining system info Mike Travis
2020-12-07 22:37   ` [tip: x86/platform] " tip-bot2 for Mike Travis
2020-11-28  3:42 ` [PATCH v2 2/5] x86/platform/uv: Add sysfs leaves to replace those in procfs Mike Travis
2020-12-07 22:37   ` [tip: x86/platform] " tip-bot2 for Mike Travis
2020-11-28  3:42 ` [PATCH v2 3/5] x86/platform/uv: Add sysfs hubless leaves Mike Travis
2020-12-07 22:37   ` [tip: x86/platform] " tip-bot2 for Mike Travis
2020-11-28  3:42 ` Mike Travis [this message]
2020-12-07 22:37   ` [tip: x86/platform] x86/platform/uv: Add deprecated messages to /proc info leaves tip-bot2 for Mike Travis
2020-11-28  3:42 ` [PATCH v2 5/5] x86/platform/uv: Update sysfs document file Mike Travis
2020-11-28 16:59   ` Randy Dunlap
2020-12-07 22:37   ` [tip: x86/platform] x86/platform/uv: Update sysfs documentation tip-bot2 for Mike Travis
2020-11-28 10:57 ` [PATCH v2 0/5] x86/platform/uv: Move UV procfs leaves to sysfs Hans de Goede

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