|author||Russell King <email@example.com>||2012-04-19 19:35:10 +0100|
|committer||Russell King <firstname.lastname@example.org>||2012-04-19 19:35:10 +0100|
Revert "ARM: 7359/2: smp_twd: Only wait for reprogramming on active cpus"
This reverts commit 9f85550347f51c79a917b2aec04c90691c11e20a. Peter Zijlstra says: | Argh, how did that ever make it upstream, please drop. | | Russell, please make that go away upstream. | | Like I said, this is both completely the wrong way to solve, and you're | so not paying attention, see: | | 5fbd036b552f633abb394a319f7c62a5c86a9cd7 | 2baab4e90495ebc9826c93f79d74d6e60a828d24 | e3831edd59edf57ca11fc289f08961b20baf5146 | | What's even worse: | | git describe --contains 9f85550347f51c79a917b2aec04c90691c11e20a --match "v*" | v3.4-rc3~1^2~3 | | that nonsense got merged long after those other commits. Linus Walleij says: | My bad, was because the initial patch was submitted march 9th before | these fixes were merged: | http://marc.info/?l=linux-arm-kernel&m=133159655513844&w=2 | | It was pending for a while in Russell's patch tracker and I | rebased it to -rc2 without paying enough attention to recent | related scheduler fixes ... lesson learned. Signed-off-by: Russell King <email@example.com>
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index 5b150afb995b..fef42b21cecb 100644
@@ -118,14 +118,10 @@ static int twd_cpufreq_transition(struct notifier_block *nb,
* The twd clock events must be reprogrammed to account for the new
* frequency. The timer is local to a cpu, so cross-call to the
* changing cpu.
- * Only wait for it to finish, if the cpu is active to avoid
- * deadlock when cpu1 is spinning on while(!cpu_active(cpu1)) during
- * booting of that cpu.
if (state == CPUFREQ_POSTCHANGE || state == CPUFREQ_RESUMECHANGE)
- NULL, cpu_active(freqs->cpu));
+ NULL, 1);