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Server : LiteSpeed System : Linux srv107862549.host 5.15.0-124-generic #134-Ubuntu SMP Fri Sep 27 20:20:17 UTC 2024 x86_64 User : malam2778 ( 1069) PHP Version : 8.0.30 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory : /usr/lib/modules/5.15.0-58-generic/build/arch/powerpc/include/asm/ |
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* powerpc KFENCE support.
*
* Copyright (C) 2020 CS GROUP France
*/
#ifndef __ASM_POWERPC_KFENCE_H
#define __ASM_POWERPC_KFENCE_H
#include <linux/mm.h>
#include <asm/pgtable.h>
static inline bool arch_kfence_init_pool(void)
{
return true;
}
static inline bool kfence_protect_page(unsigned long addr, bool protect)
{
pte_t *kpte = virt_to_kpte(addr);
if (protect) {
pte_update(&init_mm, addr, kpte, _PAGE_PRESENT, 0, 0);
flush_tlb_kernel_range(addr, addr + PAGE_SIZE);
} else {
pte_update(&init_mm, addr, kpte, 0, _PAGE_PRESENT, 0);
}
return true;
}
#endif /* __ASM_POWERPC_KFENCE_H */