雖然這篇Compat_ioctl鄉民發文沒有被收入到精華區：在Compat_ioctl這個話題中，我們另外找到其它相關的精選爆讚文章
[爆卦]Compat_ioctl是什麼？優點缺點精華區懶人包
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#1ioctl,unlocked_ioctl和compat_ioctl - 立你斯學習記錄- 痞客邦
kernel 2.6.35 及之前的版本中struct file_operations 一共有3個ioctl ：ioctl,unlocked_ioctl和compat_ioctl現在只有unlocke.
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#2[Linux Kernel慢慢學]Different betweeen ioctl, unlocked_ioctl ...
long (*compat_ioctl) (struct file *, unsigned int, unsigned long); int (*mmap) (struct file *, struct vm_area_struct *); int (*mremap)(struct ...
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#3unlocked_ioctl和compat_ioctl - 摩斯电码- 博客园
注意：. 1、compat_ioctl：支持64bit的driver必须要实现的ioctl，当有32bit的userspace application call 64bit kernel的IOCTL的时候，这个callback会 ...
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#4compat_ioctl和unlocked_ioctl的使用场景_lee_jimmy的博客
在bthid驱动中，ioctl的接口用的是unlocked_ioctl，但在32位系统64位的内核上面会走compat_ioctl接口，这就是compat_ioctl存在的意义，由于我使用 ...
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#5Linux设备驱动的struct file_operations结构体中unlocked_ioctl ...
unlocked_ioctl 和 compat_ioctl 有什么区别？ 1. 历史由来. Linux刚开始只有 ioctl ，没有 unlocked_ioctl 和 compat_ioctl ，这时候还是大内核锁 ...
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#6compat_ioctl not working properly for ... - Stack Overflow
I am learning ioctl functionality in device drivers,. There is a function pointer .compat_ioctl in file_operations which allows 32-bit processes ...
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#7What is the difference between ioctl(), unlocked_ioctl() and ...
compat_ioctl is actually unrelated, even though it was added at the same time. Its purpose is to allow 32-bit userland programs to make ioctl calls on a 64-bit ...
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#8unlocked_ioctl與compat_ioctl - IT閱讀
1、compat_ioctl：支援64bit的driver必須要實現的ioctl，當有32bit的userspace application call 64bit kernel的IOCTL的時候，這個callback會被呼叫到 ...
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#9ioctl,unlocked_ioctl,compat_ioctl之间的区别 - 51CTO博客
Follows an explanation of the patch that introduced unlocked_ioctl and compat_ioctl into 2.6.11. The removal of the ioctl field happened a ...
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#10關於ioctl,unlocked_ioctl和compat_ioctl執行的順序 - 台部落
關於ioctl,unlocked_ioctl和compat_ioctl執行的順序對於ioctl操作,優先執行f_op->unlocked_ioctl,如果沒有unlocked_ioctl,那麼執行f_op->ioctl ...
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#11ioctl() vs unlocked_ioctl() vs compat_ioctl() - ILD - Inside Linux ...
ioctl()被大内核锁锁住，在多核系统上，性能较低。unlcoked_ioctl()让每个驱动自己上锁。compat_ioctl() 让64位内核支持32位用户态程序，ioctl的最后 ...
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#12The new way of ioctl - LWN.net
There are a few noteworthy points about compat_ioctl: If you are writing a new device driver that needs ioctl methods (which some might argue ...
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#13fs/compat_ioctl.c - Linux source code (v4.0) - Elixir Bootlin
Valid reasons to use this: - It is implemented with ->compat_ioctl on some device, but programs call it on others too. - The ioctl is not implemented in the ...
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#14建立proc 的ioctl - 小弟弟- 痞客邦
要多撰寫相容模式的compat_ioctl 例： #ifdef CONFIG_COMPAT long smalldd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
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#15Linux Kernel: fs/compat_ioctl.c File Reference
compat_ioctl.c File Reference. #include <linux/joystick.h> #include <linux/types.h> #include <linux/compat.h> #include <linux/kernel.h>
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#16fs/compat_ioctl.c - kernel/msm - android Git repositories
compat_ioctl.c ... It is implemented with ->compat_ioctl on some device, but programs. call it on others too. - The ioctl is not implemented in the native ...
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#17unlocked_ioctl和compat_ioctl-白红宇的个人博客
struct backing_dev_info *bdi;. 这次内核函数的变化引出了一个问题，从ioctl系统调用往后，真正的ioctl调用顺序是什么？为什么compat_ioctl 不被调用 ...
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#18linux - compat_ioctl对于无符号long long数据类型无法正常工作
我正在学习设备驱动程序中的ioctl功能， 文件操作中有一个函数指针.compat ioctl，它允许32位进程在64位计算机中使用ioctl。 以下是我的驱动程序代码：
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#19compat_ioctl.c source code [linux/block/compat_ioctl.c]
313, This assumes the blkdev's low level compat_ioctl always returns. 314, ENOIOCTLCMD for unknown ioctls. */. 315, long compat_blkdev_ioctl (struct file ...
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#20ioctl（），unlocked_ioctl（）和compat_ioctl（）有 ... - QA Stack
下面介绍了该补丁的说明unlocked_ioctl，并compat_ioctl为2.6.11。该字段的删除ioctl发生在2.6.36之后。 说明：ioctl执行该命令时需要使用大内核锁（BKL）， ...
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#21unlocked_ioctl and compat_ioctl - TitanWolf
note: 1, compat_ioctl: ioctl 64bit support the driver must be achieved, when there userspace application call 64bit kernel of the IOCTL 32bit, this callback ...
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#22ioctl,unlocked_ioctl,compat_ioctl之间的区别_代码改变世界
原文：Follows an explanation of the patch that introduced unlocked_ioctl and compat_ioctl into 2.6.11.The removal of the ioctl field happened a lot later, ...
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#23unlocked_ioctl和compat_ioctl_stone8761的专栏-程序员资料
kernel 2.6.35 及之前的版本中struct file_operations 一共有3个ioctl ：ioctl,unlocked_ioctl和compat_ioctl现在只有unlocked_ioctl和compat_ioctl 了在kernel 2.6.36 ...
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#24ioctl（），unlocked_ioctl（）和compat_ioctl（）有什么区别？
在某些情况下，内核2.6.36中将（include / linux / fs.h）结构文件操作方法ioctl（）替换为compat_ioctl（）无效（例如对于某些设备驱动程序），必须使用 ...
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#25unlocked_ioctl与compat_ioctl的区别 - 雨滴科技技术论坛
在做测试驱动的时候是这样写法的，但将驱动加载之后驱动进不去gpio_ioctl里面注意：1、compat_ioctl：支持64bit的driv ...|Android安卓手机开发 ...
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#26use correct compat_ptr() translation in drivers - Arnd Bergmann
... Felipe Balbi <[email protected]> Subject: [PATCH v6 13/43] compat_ioctl: use correct compat_ptr() translation in drivers ...
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#27unlocked ioctl 處理方法 - w3c學習教程
ioctl,unlocked_ioctl和compat_ioctl. 現在只有unlocked_ioctl和compat_ioctl 了. 在kernel 2.6.36 中已經完全刪除了struct file_operations 中 ...
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#28linux/compat_ioctl.c at master · spotify/linux - GitHub
This assumes the blkdev's low level compat_ioctl always returns. ENOIOCTLCMD for unknown ioctls. */. long compat_blkdev_ioctl(struct file *file, ...
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#29ioctl,unlocked_ioctl,compat_ioctl之间的区别 - 代码先锋网
ioctl,unlocked_ioctl,compat_ioctl之间的区别，代码先锋网，一个为软件开发程序员提供代码片段和技术文章聚合的网站。
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#30unlocked_ioctl和compat_ioctl_stone8761的专栏-程序员宝宝
kernel 2.6.35 及之前的版本中struct file_operations 一共有3个ioctl ：ioctl,unlocked_ioctl和compat_ioctl现在只有unlocked_ioctl和compat_ioctl 了在kernel 2.6.36 ...
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#31ioctl,unlocked_ioctl,compat_ioctl之间的区别- Cache One
原文： Follows an explanation of the patch that introduced unlocked_ioctl and compat_ioctl into 2.6.11. The removal of the ioctl field happened a lot later, ...
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#32ioctl(), unlocked_ioctl(), and compat_ioctl() @ 天氣晴 - 隨意窩
Linux kernel file operation 自從2.6.11 加入新的ioctl() function calls: unlocked_ioctl() and compat_ioctl(), 並在正式版2.6.36 移除了ioctl().
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#33[PATCH v6 09/43] compat_ioctl: add compat_ptr_ioctl()
[PATCH v6 09/43] compat_ioctl: add compat_ptr_ioctl() ... in order to become a valid 64-bit pointer. ... additional drivers that don't have proper ...
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#34linux2.6内核compat_ioctl函数-技术分享 - 码神部落
long (*compat_ioctl)(struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg); implement ioctl processing for 32 bit process on 64 ...
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#35Linux compat_ioctl的由来 - CodeAntenna
ioctl是设备驱动程序中对设备的I/O通道进行管理的函数。所谓对I/O通道进行管理，就是对设备的一些特性进行控制，例如串口的传输波特率、马达的转速等等。
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#36内核新的ioctl方式--unlocked_ioctl和compat_ioctl(解决error ...
CSDN GitHub 内核新的ioctl方式–unlocked_ioctl和compat_ioctl解决error:unknown field 'ioctl' specified in initializer LDD/problem/port/ioctl本作品采用知识共享 ...
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#37unlocked_ioctl 与compat_ioctl区别 - 术之多
kernel 2.6.35 及之前的版本中struct file_operations 一共有3个ioctl : ioctl,unlocked_ioctl和compat_ioctl 现在只有unlocked_ioctl和compat_ioctl 了在kernel ...
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#3832-bit compatibility mode in 64-bit Linux kernels - Black Hat
compat_ioctl. （fd,cmd32,pstruct32）. 32-bit process. 64-bit process check user input& convert to cmd64 pstruct64 common function unlocked_ioctl.
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#39关于ioctl,unlocked_ioctl和compat_ioctl执行的顺序 - 掘金
关于ioctl,unlocked_ioctl和compat_ioctl执行的顺序对于ioctl操作,优先执行f_op->unlocked_ioctl,如果没有unlocked_ioctl,那么执行f_op->ioctl ...
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#40Release 4.15 fs/compat_ioctl.c - cregit-Linux
Release 4.15 fs/compat_ioctl.c. Directory: fs. // SPDX-License-Identifier: GPL-2.0 /* * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
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#41" error: unknown field 'compat_ioctl' specified in initializer ...
error: unknown field 'compat_ioctl' specified in initializer " while creating dummy ioctl. Asked 2021-11-13 ago. Active3 hr before. Viewed126 times ...
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#42Linux kernel data types, alignment, compat_ioctl 資料類型
有關compat_ioctl：支援64bit的driver必須要實現的ioctl，當有32bit的userspace application call 64bit kernel的IOCTL的時候，這個callback會被調用到。
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#43compat_ioctl 32位运行环境下调用64位的ioctl内核 - 程序员秘密
compat_ioctl 被使用在用户空间为32位模式，而内核运行在64位模式时常使用.unlocked_ioctl 属性指定ioctl,。这时候，需要将64位转成32位。例如PCBA测试如何转换？
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#44What is the difference between ioctl(), unlocked_ioctl() and ...
What is the difference between ioctl(), unlocked_ioctl() and compat_ioctl()?. Meta-answer: All the raw stuff happening to the Linux kernel goes through lkml ...
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#45Linux – the difference between ioctl(), unlocked_ioctl() and ...
Linux – the difference between ioctl(), unlocked_ioctl() and compat_ioctl(). driverslinux. Going through the linux 2.6.36 source code at lxr.linux.no, ...
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#46Need Help on compat_ioctl implementation - narkive
I am facing some difficulty to implement compat_ioctl entry point in my driver code, please help me out to sort out the things.
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#47jetson TX2 compat_ioctl or unlocked_ioctl did not work
... but unlocked_ioctl did not work.in application ioctl(fd, int, NULL) return success,but unlocked_ioctl or compat_ioctl did not e…
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#48[v3,06/26] compat_ioctl: handle PPPIOCGIDLE for 64-bit time_t
[v3,06/26] compat_ioctl: handle PPPIOCGIDLE for 64-bit time_t · Commit Message · Patch.
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#49Linux访问ioctl访问失败的问题 - 码农家园
对于字符设备，内核中ioctl的挂接有不同，. 一：写64位driver驱动时，必须实现compat_ioctl实现，用户态是32位时，会调用这个接口，否则会出现 ...
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#50kernel 2.6.36 ,ioctl 变更
现在只有unlocked_ioctl和compat_ioctl 了. 在kernel 2.6.36 中已经完全删除了struct file_operations 中的ioctl 函数指针，取而代之的 ...
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#51[Ocfs2-devel] [PATCH v6 00/43] compat_ioctl: remove most of ...
As part of the cleanup of some remaining y2038 issues, I came to fs/compat_ioctl.c, which still has a couple of commands that need support ...
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#52ioctl() vs unlocked_ioctl() vs compact_ioctl() - L
Follows an explanation of the patch that introduced unlocked_ioctl and compat_ioctl into 2.6.11. The removal of the ioctl field happened a ...
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#53move compat_ioctl handling into md.c (aa98aa31) · Commits
The RAID ioctls are only implemented in md.c, so the handling for them should also be moved there from fs/compat_ioctl.c.
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#55e9bc80f/fs/compat_ioctl.c - the Software Heritage archive
It is implemented with ->compat_ioctl on some device, but programs. call it on others too. - The ioctl is not implemented in the native ...
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#56[PATCH v6 23/43] compat_ioctl - Arnd Bergmann
All the mail mirrored from lore.kernel.org · help / color / mirror / code / Atom feed. From: Arnd Bergmann <[email protected]> To: Al Viro ...
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#57linux — Qual é a diferença entre ioctl (), unlocked_ioctl () e ...
Existem casos em que a substituição do método struct (file /operations/linux/fs.h) struct ioctl () por compat_ioctl () no kernel 2.6.36 não funciona (por ...
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#58Access 64-bit driver's ioctl from 32-bit Application - Embedded ...
compat_ioctl in your file_operations structure. When you call the ioctl(fd, IOCTL_COMMAND, &arg) from a 32-bit application on a 64-bit kernel, ...
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#59如何從使用者空間呼叫compat ioctl？有人可以提供一些示例嗎？
此 compat_ioctl 函式負責複製使用者引數 arg1 ，就像使用32位佈局的 compat_arg1 一樣。 compat_arg1 typedef是在核心中定義的，以便在為64位編譯時，其 ...
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#60ioctl, unlocked_ioctl, compat_ioctl 차이점 - Daum 블로그
long (*compat_ioctl) (struct file *filp, unsigned int cmd, unsigned long arg);. - 64bit system (kernel) 에 32bit 유저 프로세스가 ioctl 요청 ...
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#61pktcdvd: improve BKL and compat_ioctl.c usage - Marc.Info
[prev in thread] [next in thread] List: git-commits-head Subject: pktcdvd: improve BKL and compat_ioctl.c usage From: Linux Kernel Mailing List ...
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#62ioctl，unlocked_ioctl 处理方法 - 阿里云开发者社区
kernel 2.6.35 及之前的版本中struct file_operations 一共有3个ioctl ： ioctl,unlocked_ioctl和compat_ioctl 现在只有unlocked_ioctl和compat_ioctl 了 在kernel ...
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#63[PATCH] cobalt/pipe: Add support for compat_ioctl - Xenomai ...
[PATCH] cobalt/pipe: Add support for compat_ioctl. Jan Kiszka jan.kiszka at siemens.com. Wed Jun 9 10:01:26 CEST 2021. Previous message (by thread): Xenomai ...
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#64change semantics of ldisc ->compat_ioctl() - linux-stable
Note that something like TCFLSH won't reach ->compat_ioctl(), even if ldisc ->ioctl() does handle it - it will be recognized earlier and passed to ...
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#65[PATCH v6 06/43] compat_sys_ioctl() - spinics.net
c b/fs/compat_ioctl.c index ce995d4fa1f4..ecbd5254b547 100644 ... To allow the compat_ioctl handlers to be self contained - * we need to ...
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#66“ error: unknown field 'compat_ioctl' specified in initializer ...
“ error: unknown field 'compat_ioctl' specified in initializer ” while creating dummy ioctl. 1 年ago By 世繁华. static const struct inode_operations ...
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#67[PATCH] fs/compat_ioctl.c: Add KD[GS]KBDIACRUC to the ...
compatible. Signed-off-by: Michael Schutte <[email protected]> --- fs/compat_ioctl.c | 2 ++ 1 files changed, 2 insertions(+) ...
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#68Ioctl返回-1的一个Bug查找 - 码迷
long (*compat_ioctl) (struct file *, unsigned int, unsigned long);. 在./Documentation/filesystems/vfs.txt中有一段描述：compat_ioctl: called ...
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#69Enforce error in ioctl for compat tasks when !KVM_COMPAT
We provide a compat_ioctl method when KVM_COMPAT is set, and NULL otherwise. But NULL means that the normal, non-compat ioctl should be used ...
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#70Al Viro: Re: [PATCH v3 11/26] ceph: fix compat_ioctl for ... - LKML
Date, Wed, 17 Apr 2019 22:23:12 +0100. From, Al Viro <>. Subject, Re: [PATCH v3 11/26] ceph: fix compat_ioctl for ceph_dir_operations ...
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#71kernel 2.6.36 之後ioctl 的變化 - Welkin小窩- 痞客邦
compat_ioctl 現在只有unlocked_ioctl和compat_ioctl 了 在kernel 2.6.36 中已經完全刪除了struct file_operations 中的ioctl 函數指針，取而代之的 ...
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#72linux — ¿Cuál es la diferencia entre ioctl (), unlocked_ioctl () y ...
En cambio, encontré dos nuevas llamadas: unlocked_ioctl() y compat_ioctl(). ¿Cuál es la diferencia entre ioctl(), unlocked_ioct...
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#73unlocked_ioctl and compat_ioctl - actorsfit
unlocked_ioctl and compat_ioctl. There are 3 ioctls in struct file_operations in kernel 2.6.35 and earlier versions: ioctl, unlocked_ioctl and compat_ioctl.
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#74fs/compat_ioctl.c · linux-next · openanolis / cloud-kernel - 代码
Cloud Kernel - an open-source Linux kernel originated by Alibaba Operating System Team.
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#75问题解析：ioctl 变成了unlocked_ioctl - 21ic电子网
kernel 2.6.35 及之前的版本中struct file_operations 一共有3个ioctl ： ioctl,unlocked_ioctl和compat_ioctl 现在只有unloc.
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#76Linuxのunlocked_ioctlとcompat_ioctlの違い - Qiita
compat_ioctl : called by the ioctl(2) system call when 32 bit system calls are used on 64 bit kernels. うーん、これだと今一つイメージが湧きません ...
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#77如何调用compat_ioctl或unlocked_ioctl？ - Thinbug
如何调用compat_ioctl或unlocked_ioctl？ 时间：2014-05-17 07:12:44. 标签： linux-device-driver ioctl. 我正在尝试为RTC（实时时钟）实现驱动程序。
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#7832/64 bits 相關driver 問題 - 傑克便便的部落格~抒發一下
接著分別啟動相對應的system call function (compat_ioctl & unlock_ioctl). 這個問題是. 雖然log 顯示inital & probe 都有順利work. 但是量訊號的時候看到初始化動作 ...
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#79222504 – [linuxkpi] Support compat_ioctl (for 32-bit drm)
FreeBSD Bugzilla – Bug 222504 [linuxkpi] Support compat_ioctl (for 32-bit drm) Last modified: 2018-02-01 13:02:38 UTC.
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#80Linux Kernel ioctl(), unlocked_ioctl(), and compat_ioctl()
compat_ioctl () is used by 64-bit systems for 32-bit application to make a ioctl() call. If this function does not exist, the driver must do the ...
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#81如何从用户空间调用compat ioctl？ 有谁可以请提供一些实例吗？
这个 compat_ioctl 函数负责复制用户参数 arg1 ，就像它是使用32位布局的 compat_arg1 。 compat_arg1 typedef是在内核中定义的，所以当编译为64位时，其结构与为32位编译 ...
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#82内核新的ioctl方式--unlocked_ioctl和compat_ioctl(解决error ...
CSDNGitHub内核新的ioctl方式–unlocked_ioctl和compat_ioctl解决error:unknown field 'ioctl' specified in initializerLDD/problem/port/ioctl本作品 ...
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#83compat_ioctl not working properly for unsigned long long data ...
I am learning ioctl functionality in device drivers, There is a function pointer .compat_ioctl in file_operations which allows 32-bit processes to use ...
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#84Linux Kernel Development - 第 282 頁 - Google 圖書結果
Like unlocked_ioctl(), compat_ioctl() does not hold the BKL. n int mmap(struct file *file, struct vm_area_struct *vma) Memory maps the given file onto the ...
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#85Binder概述，快速了解Binder体系 - 文章整合
... .unlocked_ioctl = binder_ioctl, .compat_ioctl = binder_ioctl, .mmap = binder_mmap, .open = binder_open, .flush = binder_flush, ...
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#86Linux高级程序设计（第三版） - Google 圖書結果
... struct filet , unsigned int , unsigned ] long ( * unlocked_ioctl ) ( struct file * , unsigned int , unsigned long ) ; long ( * compat_ioctl ) ( struct ...
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#87Linux-Treiber entwickeln: Eine systematische Einführung in ...
... insgesamt drei unlocked_ioctl verwenden IO-Control-Methoden in der Struktur struct file_operations vorgesehen: ioctl, unlocked_ioctl und compat_ioctl.
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#88ARMマイコンではじめる電子工作――組込みボードの選び方、使い方、作り方がわかる！
... 1479 * read Write poll, fsync, readv, Writev, unlocked_ioctland compat_ioctl 1480 * can be called Without the big kernel lock held inall filesystems.
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#89内核定时器 - ICode9
提供对程序的控制功能，与应用函数的ioctl对应; compat_ioctl 64位系统上的unlocked_ioctl; ioctl中的cmd image 命令是自己定义的，但是要符合linux ...
compat_ioctl 在 コバにゃんチャンネル Youtube 的精選貼文
compat_ioctl 在 大象中醫 Youtube 的最佳解答
compat_ioctl 在 大象中醫 Youtube 的最讚貼文