4.0.2-stable-queue build failures due to 'clockevents: Fix cpu_down() race for hrtimer based broadcasting'

[Guenter Roeck <linux@roeck-us.net>]

Build is still going on, so there may be other affected architectures.

---

Building ia64:defconfig ... failed
Building parisc:generic-32bit_defconfig ... failed
--------------
Error log:
kernel/cpu.c: In function '_cpu_down':
kernel/cpu.c:415:2: error: implicit declaration of function 'hotplug_cpu__broadcast_tick_pull' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors

---

Bisect log:

# bad: [c71309a3658d323d56261d4590b2c5214e61b05f] clockevents: Fix cpu_down() race for hrtimer based broadcasting
# good: [072cab659c9368586d6417cfd6ec2d2c68469c67] Linux 4.0.2
git bisect start 'HEAD' 'v4.0.2'
# good: [7e62c9a30d01ac14be2bc3e048b737e1b0c8d08d] cdc-acm: prevent infinite loop when parsing CDC headers.
git bisect good 7e62c9a30d01ac14be2bc3e048b737e1b0c8d08d
# good: [8b55f847f1e9964ac2ab657cc0e1334ed8be214c] ext4: fix data corruption caused by unwritten and delayed extents
git bisect good 8b55f847f1e9964ac2ab657cc0e1334ed8be214c
# good: [7c0e04a5e08bec7f9101d20214f92b5f466a556b] drm/radeon: only mark audio as connected if the monitor supports it (v3)
git bisect good 7c0e04a5e08bec7f9101d20214f92b5f466a556b
# good: [da9778d808f0629fd804421e97294f25b81b1885] drm/radeon: fix lockup when BOs aren't part of the VM on release
git bisect good da9778d808f0629fd804421e97294f25b81b1885
# good: [68cd28ab24ce16ac7f3978a7627eae5b599c3d8b] drm/radeon: check new address before removing old one
git bisect good 68cd28ab24ce16ac7f3978a7627eae5b599c3d8b
# good: [c20b6545f649724a733e008e7124fa9d1e114c71] Drivers: hv: vmbus: Don't wait after requesting offers
git bisect good c20b6545f649724a733e008e7124fa9d1e114c71
# first bad commit: [c71309a3658d323d56261d4590b2c5214e61b05f] clockevents: Fix cpu_down() race for hrtimer based broadcasting

---

Reverting the bad commit fixes the problem.

Guenter