linux/arch/powerpc/mm/pkeys.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* PowerPC Memory Protection Keys management
*
* Copyright 2017, Ram Pai, IBM Corporation.
*/
#include <linux/pkeys.h>
DEFINE_STATIC_KEY_TRUE(pkey_disabled);
bool pkey_execute_disable_supported;
int pkey_initialize(void)
{
/*
* Disable the pkey system till everything is in place. A subsequent
* patch will enable it.
*/
static_branch_enable(&pkey_disabled);
/*
* Disable execute_disable support for now. A subsequent patch will
* enable it.
*/
pkey_execute_disable_supported = false;
return 0;
}
arch_initcall(pkey_initialize);