| Server IP : 13.213.54.232 / Your IP : 216.73.216.72 Web Server : Apache/2.4.52 (Ubuntu) System : Linux ip-172-31-17-110 6.8.0-1029-aws #31~22.04.1-Ubuntu SMP Thu Apr 24 21:16:18 UTC 2025 x86_64 User : www-data ( 33) PHP Version : 7.1.33-67+ubuntu22.04.1+deb.sury.org+1 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, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /lib/modules/6.8.0-1031-aws/build/arch/s390/include/asm/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_S390_KFENCE_H
#define _ASM_S390_KFENCE_H
#include <linux/mm.h>
#include <linux/kfence.h>
#include <asm/set_memory.h>
#include <asm/page.h>
void __kernel_map_pages(struct page *page, int numpages, int enable);
static __always_inline bool arch_kfence_init_pool(void)
{
return true;
}
#define arch_kfence_test_address(addr) ((addr) & PAGE_MASK)
/*
* Do not split kfence pool to 4k mapping with arch_kfence_init_pool(),
* but earlier where page table allocations still happen with memblock.
* Reason is that arch_kfence_init_pool() gets called when the system
* is still in a limbo state - disabling and enabling bottom halves is
* not yet allowed, but that is what our page_table_alloc() would do.
*/
static __always_inline void kfence_split_mapping(void)
{
#ifdef CONFIG_KFENCE
unsigned long pool_pages = KFENCE_POOL_SIZE >> PAGE_SHIFT;
set_memory_4k((unsigned long)__kfence_pool, pool_pages);
#endif
}
static inline bool kfence_protect_page(unsigned long addr, bool protect)
{
__kernel_map_pages(virt_to_page((void *)addr), 1, !protect);
return true;
}
#endif /* _ASM_S390_KFENCE_H */