58 lines
2.1 KiB
Diff
58 lines
2.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Kees Cook <keescook@chromium.org>
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Date: Mon, 16 Oct 2017 16:22:31 -0700
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Subject: [PATCH] x86/platform/UV: Convert timers to use timer_setup()
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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CVE-2017-5754
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In preparation for unconditionally passing the struct timer_list pointer to
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all timer callbacks, switch to using the new timer_setup() and from_timer()
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to pass the timer pointer explicitly.
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Signed-off-by: Kees Cook <keescook@chromium.org>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Cc: Dimitri Sivanich <sivanich@hpe.com>
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Cc: Russ Anderson <rja@hpe.com>
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Cc: Mike Travis <mike.travis@hpe.com>
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Link: https://lkml.kernel.org/r/20171016232231.GA100493@beast
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(cherry picked from commit 376f3bcebdc999cc737d9052109cc33b573b3a8b)
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Signed-off-by: Andy Whitcroft <apw@canonical.com>
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Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
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(cherry picked from commit 869cbd2b31024e70d574527b8c6851bf2ebbe483)
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Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
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---
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arch/x86/kernel/apic/x2apic_uv_x.c | 5 ++---
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1 file changed, 2 insertions(+), 3 deletions(-)
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diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
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index 0d57bb9079c9..c0b694810ff4 100644
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--- a/arch/x86/kernel/apic/x2apic_uv_x.c
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+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
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@@ -920,9 +920,8 @@ static __init void uv_rtc_init(void)
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/*
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* percpu heartbeat timer
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*/
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-static void uv_heartbeat(unsigned long ignored)
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+static void uv_heartbeat(struct timer_list *timer)
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{
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- struct timer_list *timer = &uv_scir_info->timer;
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unsigned char bits = uv_scir_info->state;
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/* Flip heartbeat bit: */
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@@ -947,7 +946,7 @@ static int uv_heartbeat_enable(unsigned int cpu)
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struct timer_list *timer = &uv_cpu_scir_info(cpu)->timer;
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uv_set_cpu_scir_bits(cpu, SCIR_CPU_HEARTBEAT|SCIR_CPU_ACTIVITY);
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- setup_pinned_timer(timer, uv_heartbeat, cpu);
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+ timer_setup(timer, uv_heartbeat, TIMER_PINNED);
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timer->expires = jiffies + SCIR_CPU_HB_INTERVAL;
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add_timer_on(timer, cpu);
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uv_cpu_scir_info(cpu)->enabled = 1;
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--
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2.14.2
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