| head_32.S (ab1c247094e323177a578b38f0325bf79f0317ac) | head_32.S (ea4654e0885348f0faa47f6d7b44a08d75ad16e9) |
|---|---|
| 1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * 4 * Copyright (C) 1991, 1992 Linus Torvalds 5 * 6 * Enhanced CPU detection and feature setting code by Mike Jagdis 7 * and Martin Mares, November 1997. 8 */ --- 400 unchanged lines hidden (view full) --- 409__INITDATA 410 .align 4 411SYM_DATA(early_recursion_flag, .long 0) 412 413__REFDATA 414 .align 4 415SYM_DATA(initial_code, .long i386_start_kernel) 416 | 1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * 4 * Copyright (C) 1991, 1992 Linus Torvalds 5 * 6 * Enhanced CPU detection and feature setting code by Mike Jagdis 7 * and Martin Mares, November 1997. 8 */ --- 400 unchanged lines hidden (view full) --- 409__INITDATA 410 .align 4 411SYM_DATA(early_recursion_flag, .long 0) 412 413__REFDATA 414 .align 4 415SYM_DATA(initial_code, .long i386_start_kernel) 416 |
| 417#ifdef CONFIG_PAGE_TABLE_ISOLATION | 417#ifdef CONFIG_MITIGATION_PAGE_TABLE_ISOLATION |
| 418#define PGD_ALIGN (2 * PAGE_SIZE) 419#define PTI_USER_PGD_FILL 1024 420#else 421#define PGD_ALIGN (PAGE_SIZE) 422#define PTI_USER_PGD_FILL 0 423#endif 424/* 425 * BSS section --- 43 unchanged lines hidden (view full) --- 469 .long 0,0 470 .long 0,0 471 .long pa(initial_pg_pmd+PGD_IDENT_ATTR),0 472# else 473# error "Kernel PMDs should be 1, 2 or 3" 474# endif 475 .align PAGE_SIZE /* needs to be page-sized too */ 476 | 418#define PGD_ALIGN (2 * PAGE_SIZE) 419#define PTI_USER_PGD_FILL 1024 420#else 421#define PGD_ALIGN (PAGE_SIZE) 422#define PTI_USER_PGD_FILL 0 423#endif 424/* 425 * BSS section --- 43 unchanged lines hidden (view full) --- 469 .long 0,0 470 .long 0,0 471 .long pa(initial_pg_pmd+PGD_IDENT_ATTR),0 472# else 473# error "Kernel PMDs should be 1, 2 or 3" 474# endif 475 .align PAGE_SIZE /* needs to be page-sized too */ 476 |
| 477#ifdef CONFIG_PAGE_TABLE_ISOLATION | 477#ifdef CONFIG_MITIGATION_PAGE_TABLE_ISOLATION |
| 478 /* 479 * PTI needs another page so sync_initial_pagetable() works correctly 480 * and does not scribble over the data which is placed behind the 481 * actual initial_page_table. See clone_pgd_range(). 482 */ 483 .fill 1024, 4, 0 484#endif 485 --- 52 unchanged lines hidden --- | 478 /* 479 * PTI needs another page so sync_initial_pagetable() works correctly 480 * and does not scribble over the data which is placed behind the 481 * actual initial_page_table. See clone_pgd_range(). 482 */ 483 .fill 1024, 4, 0 484#endif 485 --- 52 unchanged lines hidden --- |