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xen: remove stray preempt_disable() from PV AP startup code

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In cpu_bringup() there is a call of preempt_disable() without a paired
preempt_enable(). This is not needed as interrupts are off initially.
Additionally this will result in early boot messages like:

BUG: scheduling while atomic: swapper/1/0/0x00000002

Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20210825113158.11716-1-jgross@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Juergen Gross 2021-08-25 13:31:58 +02:00
parent f956c1b0d5
commit 58e636039b
1 changed files with 0 additions and 1 deletions
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arch/x86/xen/smp_pv.c
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@ -64,7 +64,6 @@ static void cpu_bringup(void)
cr4_init();
cpu_init();
touch_softlockup_watchdog();
preempt_disable();
/* PVH runs in ring 0 and allows us to do native syscalls. Yay! */
if (!xen_feature(XENFEAT_supervisor_mode_kernel)) {