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| author | Thomas Gleixner <tglx@linutronix.de> | 2014-12-05 08:48:29 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2014-12-16 14:08:14 +0100 |
| commit | 250a1ac685f147d4f4b2f132cfaffcce1a6792c1 (patch) | |
| tree | f48cae7b41ac77b5966f614393f4fca5c6a4f9e3 /drivers/acpi/processor_core.c | |
| parent | 5db66334a7e83cda70fb6193dcaa2590da3a1b7d (diff) | |
| download | linux-stable-250a1ac685f147d4f4b2f132cfaffcce1a6792c1.tar.gz linux-stable-250a1ac685f147d4f4b2f132cfaffcce1a6792c1.tar.bz2 linux-stable-250a1ac685f147d4f4b2f132cfaffcce1a6792c1.zip | |
x86, smpboot: Remove pointless preempt_disable() in native_smp_prepare_cpus()
There is no reason to keep preemption disabled in this function.
We only have two other threads live: kthreadd and idle. Neither of
them is going to preempt. But that preempt_disable forces all the code
inside to do GFP_ATOMIC allocations which is just insane.
Remove it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Borislav Petkov <bp@alien8.de>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/20141205084147.153643952@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/acpi/processor_core.c')
0 files changed, 0 insertions, 0 deletions