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Commit b287f696 authored by Chris Metcalf's avatar Chris Metcalf
Browse files

arch/tile: avoid false corrupt frame warning in early boot 



With lockstat we can end up trying to get a backtrace before
"high_memory" is initialized, so don't worry about range testing
if it is zero.

Signed-off-by: default avatarChris Metcalf <cmetcalf@tilera.com>
parent cbe22470

arch/tile/kernel/process.c

+1 −1
Original line number Diff line number Diff line
@@ -286,7 +286,7 @@ struct task_struct *validate_current(void) 
	static struct task_struct corrupt = { .comm = "<corrupt>" };

	struct task_struct *tsk = current;

	if (unlikely((unsigned long)tsk < PAGE_OFFSET ||

		     (void *)tsk > high_memory ||

		     (high_memory && (void *)tsk > high_memory) ||

		     ((unsigned long)tsk & (__alignof__(*tsk) - 1)) != 0)) {

		pr_err("Corrupt 'current' %p (sp %#lx)\n", tsk, stack_pointer);

		tsk = &corrupt;