diff mbox series

[v3,09/15] x86/APM: remove APM_BIOS_MAGIC

Message ID 8a768ea8f801a0d6b29a064df9096c2ef636859e.1668128257.git.nabijaczleweli@nabijaczleweli.xyz
State New
Headers
Series magic-number.rst funeral rites |

Commit Message

Ahelenia Ziemiańska Nov. 11, 2022, 1:14 a.m. UTC 
  We have largely moved away from this approach, and we have better
debugging instrumentation nowadays: kill it.

Link: https://lore.kernel.org/linux-doc/YyMlovoskUcHLEb7@kroah.com/
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
---
 Documentation/process/magic-number.rst                   | 1 -
 .../translations/it_IT/process/magic-number.rst          | 1 -
 .../translations/zh_CN/process/magic-number.rst          | 1 -
 .../translations/zh_TW/process/magic-number.rst          | 1 -
 arch/x86/kernel/apm_32.c                                 | 9 +--------
 5 files changed, 1 insertion(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/Documentation/process/magic-number.rst b/Documentation/process/magic-number.rst
index d8ffbc21872e..77a96a79c7e8 100644
--- a/Documentation/process/magic-number.rst
+++ b/Documentation/process/magic-number.rst
@@ -68,7 +68,6 @@  Changelog::
 ===================== ================ ======================== ==========================================
 Magic Name            Number           Structure                File
 ===================== ================ ======================== ==========================================
-APM_BIOS_MAGIC        0x4101           apm_user                 ``arch/x86/kernel/apm_32.c``
 FASYNC_MAGIC          0x4601           fasync_struct            ``include/linux/fs.h``
 SLIP_MAGIC            0x5302           slip                     ``drivers/net/slip.h``
 HDLCDRV_MAGIC         0x5ac6e778       hdlcdrv_state            ``include/linux/hdlcdrv.h``
diff --git a/Documentation/translations/it_IT/process/magic-number.rst b/Documentation/translations/it_IT/process/magic-number.rst
index 0e59704aa617..ef509265a3df 100644
--- a/Documentation/translations/it_IT/process/magic-number.rst
+++ b/Documentation/translations/it_IT/process/magic-number.rst
@@ -74,7 +74,6 @@  Registro dei cambiamenti::
 ===================== ================ ======================== ==========================================
 Nome magico           Numero           Struttura                File
 ===================== ================ ======================== ==========================================
-APM_BIOS_MAGIC        0x4101           apm_user                 ``arch/x86/kernel/apm_32.c``
 FASYNC_MAGIC          0x4601           fasync_struct            ``include/linux/fs.h``
 SLIP_MAGIC            0x5302           slip                     ``drivers/net/slip.h``
 HDLCDRV_MAGIC         0x5ac6e778       hdlcdrv_state            ``include/linux/hdlcdrv.h``
diff --git a/Documentation/translations/zh_CN/process/magic-number.rst b/Documentation/translations/zh_CN/process/magic-number.rst
index 17a73661ef17..6437c408dd67 100644
--- a/Documentation/translations/zh_CN/process/magic-number.rst
+++ b/Documentation/translations/zh_CN/process/magic-number.rst
@@ -57,7 +57,6 @@  Linux 魔术数
 ===================== ================ ======================== ==========================================
 魔术数名              数字             结构                     文件
 ===================== ================ ======================== ==========================================
-APM_BIOS_MAGIC        0x4101           apm_user                 ``arch/x86/kernel/apm_32.c``
 FASYNC_MAGIC          0x4601           fasync_struct            ``include/linux/fs.h``
 SLIP_MAGIC            0x5302           slip                     ``drivers/net/slip.h``
 HDLCDRV_MAGIC         0x5ac6e778       hdlcdrv_state            ``include/linux/hdlcdrv.h``
diff --git a/Documentation/translations/zh_TW/process/magic-number.rst b/Documentation/translations/zh_TW/process/magic-number.rst
index 9d44d49b93bf..453cc205e6c3 100644
--- a/Documentation/translations/zh_TW/process/magic-number.rst
+++ b/Documentation/translations/zh_TW/process/magic-number.rst
@@ -60,7 +60,6 @@  Linux 魔術數
 ===================== ================ ======================== ==========================================
 魔術數名              數字             結構                     文件
 ===================== ================ ======================== ==========================================
-APM_BIOS_MAGIC        0x4101           apm_user                 ``arch/x86/kernel/apm_32.c``
 FASYNC_MAGIC          0x4601           fasync_struct            ``include/linux/fs.h``
 SLIP_MAGIC            0x5302           slip                     ``drivers/net/slip.h``
 HDLCDRV_MAGIC         0x5ac6e778       hdlcdrv_state            ``include/linux/hdlcdrv.h``
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 60e330cdbd17..f3dd21dc56b7 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -330,7 +330,6 @@  extern int (*console_blank_hook)(int);
  * The per-file APM data
  */
 struct apm_user {
-	int		magic;
 	struct apm_user *next;
 	unsigned int	suser: 1;
 	unsigned int	writer: 1;
@@ -346,11 +345,6 @@  struct apm_user {
 	apm_event_t	events[APM_MAX_EVENTS];
 };
 
-/*
- * The magic number in apm_user
- */
-#define APM_BIOS_MAGIC		0x4101
-
 /*
  * idle percentage above which bios idle calls are done
  */
@@ -1459,7 +1453,7 @@  static void apm_mainloop(void)
 
 static int check_apm_user(struct apm_user *as, const char *func)
 {
-	if (as == NULL || as->magic != APM_BIOS_MAGIC) {
+	if (as == NULL) {
 		pr_err("%s passed bad filp\n", func);
 		return 1;
 	}
@@ -1616,7 +1610,6 @@  static int do_open(struct inode *inode, struct file *filp)
 	if (as == NULL)
 		return -ENOMEM;
 
-	as->magic = APM_BIOS_MAGIC;
 	as->event_tail = as->event_head = 0;
 	as->suspends_pending = as->standbys_pending = 0;
 	as->suspends_read = as->standbys_read = 0;