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xen: remove stray preempt_disable() from PV AP startup code
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>
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@ -64,7 +64,6 @@ static void cpu_bringup(void)
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cr4_init();
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cpu_init();
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touch_softlockup_watchdog();
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preempt_disable();
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/* PVH runs in ring 0 and allows us to do native syscalls. Yay! */
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if (!xen_feature(XENFEAT_supervisor_mode_kernel)) {
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