雖然這篇Compat_ptr鄉民發文沒有被收入到精華區：在Compat_ptr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_ptr是什麼？優點缺點精華區懶人包
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#1compat_ptr identifier - Linux source code (v5.15.12) - Elixir ...
Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux kernel and other low-level projects in C/C++ (bootloaders, ...
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#2ioctl,unlocked_ioctl和compat_ioctl - 立你斯學習記錄- 痞客邦
可以使用compat_ptr(art)宏將其安全的轉化為一個64位的指標(仍然是用戶指標). 問題: ioctl32: Unknown cmd. 如果遇到這個錯誤.
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#3C++ compat_ptr函数代码示例 - 纯净天空
在下文中一共展示了compat_ptr函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++ ...
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#4[Linux Kernel慢慢學]Different betweeen ioctl, unlocked_ioctl ...
return debussy_ioctl(filp, cmd, (unsigned long)compat_ptr(arg)); } #endif static const struct file_operations debussy_fops = {
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#5C++ (Cpp) compat_ptr Examples - HotExamples
C++ (Cpp) compat_ptr - 30 examples found. These are the top rated real world C++ (Cpp) examples of compat_ptr extracted from open source projects.
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#6Linux64位系统兼容32位应用程序 - 简书
使用compat_ptr()宏转换64位的unsigned long数据类型到32位的地址。 对ioctl函数的参数也要使用compat_ptr()进行转换。 避免使用指针，可用 char[0] ...
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#7compat_ptr identifier - Linux source code (v5.0.21) - Elixir Bootlin
Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux kernel and other low-level projects in C/C++ (bootloaders, ...
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#8ioctl based interfaces — The Linux Kernel documentation
compat_ptr ()¶ ... On the s390 architecture, 31-bit user space has ambiguous representations for data pointers, with the upper bit being ignored. When running such ...
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#9block/compat_ioctl.c - kernel/msm - android Git repositories
return put_user(val, (compat_int_t __user *)compat_ptr(arg));. } static int compat_put_uint(unsigned long arg, unsigned int val).
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#10[v6,13/43] compat_ioctl: use correct compat_ptr() translation in ...
A handful of drivers all have a trivial wrapper around their ioctl handler, but don't call the compat_ptr() conversion function at the ...
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#11linux/compat_ioctl.c at master · spotify/linux - GitHub
return put_user(val, (compat_int_t __user *)compat_ptr(arg));. } static int compat_put_uint(unsigned long arg, unsigned int val).
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#12compat_ioctl.c
... up_native = compat_alloc_user_space(sizeof(struct video_still_picture)); err = put_user(compat_ptr(fp), &up_native->iFrame); err |= put_user(size, ...
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#13Linux identfier search "compat_ptr"
Defined as a function in: ... Defined as a preprocessor macro in: ... Referenced (in 103 files total) in: ... Linux® is a registered trademark of Linus Torvalds in ...
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#14函数逻辑报告
函数名称：A pointer passed in from user mode. 函数原型：static inline void __user *compat_ptr(compat_uptr_t uptr). 返回类型：void.
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#15linux-next: net tree build failure - narkive
net/appletalk/ddp.c:1866: error: implicit declaration of function 'compat_ptr' Caused by commit 206602217747382488fcae68351673cc9103debc
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#16Socket and system call in-depth analysis - Programmer All
... case SYS_ACCEPT: ret = __sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), 0); break; case SYS_GETSOCKNAME: ret = __sys_getsockname(a0, compat_ptr(a1), ...
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#17compat.h source code [linux/arch/x86/include/asm/compat.h]
* appropriately converted them already. 185, */. 186. 187, static inline void __user * compat_ptr (compat_uptr_t uptr ). 188, {.
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#18Linux的64位操作系统对32位程序的兼容
uifr32 = compat_ptr(arg); //转换64位的unsigned long数据类型到32位的地址 ... switch (cmd) { case SIOCSIFMAP: ...//不是我们关注的TUNSETIFF
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#19[PATCH v2 07/27] compat: provide compat_ptr() on all ...
[PATCH v2 07/27] compat: provide compat_ptr() on all architectures — Linux Year 2038 Problem.
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#20[PATCH v3 02/22] compat - Mailing Lists
[PATCH v3 02/22] compat: provide compat_ptr() on all architectures. Will Deacon will at kernel.org. Tue Jan 7 04:40:28 AEDT 2020.
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#21ipc/syscall.c · cregit-Linux
... 32 and 64bit :)) */ return ksys_semtimedop(first, compat_ptr(ptr), second, NULL); case SEMTIMEDOP: return compat_ksys_semtimedop(first, compat_ptr(ptr), ...
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#22Socket与系统调用深度分析 - 编程猎人
... case SYS_ACCEPT: ret = __sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), 0); break; case SYS_GETSOCKNAME: ret = __sys_getsockname(a0, compat_ptr(a1), ...
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#23[PATCH v6 09/43] compat_ioctl: add compat_ptr_ioctl()
Using ".compat_ptr = compat_ptr_ioctl" in file operations should let us simplify a lot of those drivers to avoid #ifdef checks, and convert
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#24net/compat.c · scmi_atomic_transport_V3_on_virtio_V6 · linux ...
... kmsg->msg_control_is_user = true; kmsg->msg_control_user = compat_ptr(msg.msg_control); kmsg->msg_controllen = msg.msg_controllen; ...
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#25I can't set page size to 64KB in Linux4.19 with IMX8MM - NXP ...
... error: implicit declaration of function 'compat_ptr'; did you mean 'compat_lr'? [-Werror=implicit-function-declaration]
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#26trace 30個基本Linux系統呼叫第十五日：sigaction - iT 邦幫忙
3344 if (act) { 3345 compat_uptr_t handler; 3346 ret = get_user(handler, &act->sa_handler); 3347 new_ka.sa.sa_handler = compat_ptr(handler); 3348 #ifdef ...
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#27ioctl,unlocked_ioctl,compat_ioctl之间的区别- Cache One
... except for the argument that is passed down from user space and may have to be passed through compat_ptr() in order to become a valid 64-bit pointer.
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#28linux2.6内核compat_ioctl函数_myxmu的专栏 - CSDN
如果compat收到的最后参数arg是一个用户态指针, 它在用户态是32位的，在内核中为了保证安全， 可以使用compat_ptr(art)宏将其安全的转化为一个64位的 ...
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#29LXR linux/ipc/syscall.c
... 146 return compat_ksys_semtimedop(first, compat_ptr(ptr), second, 147 compat_ptr(fifth)); 148 case SEMGET: 149 return ksys_semget(first, second, ...
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#30Socket与系统调用深度分析- rings - 博客园
... a1, a[2]); break; case SYS_BIND: ret = __sys_bind(a0, compat_ptr(a1), ... case SYS_CONNECT: ret = __sys_connect(a0, compat_ptr(a1), ...
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#31Linux Kernel Sources
... 0039 compat_uptr_t base = ptr_to_compat(entry); 0040 void __user *uaddr = compat_ptr(base + futex_offset); 0041 0042 return uaddr; ...
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#32wwng2333 / android_kernel_xiaomi_msm8226 / drivers ...
... temp; chaninfo32 = compat_ptr(arg); chaninfo = compat_alloc_user_space(sizeof(*chaninfo)); /* Copy chaninfo structure. Ignore unused members.
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#33ioctl,unlocked_ioctl,compat_ioctl之间的区别_代码改变世界
... except for the argument that is passed down from user space and may have to be passed through compat_ptr() in order to become a valid 64-bit pointer.
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#34lib/libutee/include/user_ta_header.h - OP-TEE/optee_os - Gitiles
union compat_ptr {. uint64_t ptr64;. struct {. uint32_t lo;. uint32_t hi;. } ptr32;. }; struct __ftrace_info {. union compat_ptr buf_start;.
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#35net/compat.c - CarbonROM/android_kernel_sony_msm - Gitiles
kmsg->msg_control = compat_ptr(tmp3);. return 0;. } /* I've named the args so it is easy to tell whose space the pointers are in. */.
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#36從select函數談及系統調用原理 - 台部落
... sizeof(a))) return -EFAULT; return do_compat_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp), compat_ptr(a.exp), compat_ptr(a.tvp)); }.
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#37Source of compat.c - linux-phytec-fsl
kmsg->msg_name = compat_ptr(tmp1);. 69. kmsg->msg_iov = compat_ptr(tmp2);. 70. kmsg->msg_control = compat_ptr(tmp3);.
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#38drivers/video/adf/adf_fops32.c - Code Review
put_user(compat_ptr(cfg32.custom_data),. &cfg->custom_data)). return -EFAULT;. ret = adf_file_ioctl(file, ADF_POST_CONFIG, (unsigned long)cfg);.
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#39fs: add missing compat_ptr handling for FS_IOC_RESVSP ioctl
... its arg argument as a pointer to userspace. However it is missing a a call to compat_ptr() which will do a proper pointer conversion....
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#40compat.c - nas-kernel/linux - 项目仓库
dst->data = compat_ptr(src->data);. dst->len = src->len;. } struct compat_nfs4_mount_data_v1 {. compat_int_t version;. compat_int_t flags;.
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#41syscall.c - Mirrors/linux - /dev/nulll Git Repos
return compat_ksys_semtimedop(first, compat_ptr(ptr), second,. compat_ptr(fifth));. case SEMGET: return ksys_semget(first, second, third);. case SEMCTL:.
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#42net/compat.c · ipipe-x86-5.4.y - xenomai - GitLab
... sizeof(struct sockaddr_storage); kmsg->msg_control = compat_ptr(msg.msg_control); kmsg->msg_controllen = msg.msg_controllen; ...
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#43kbuild test robot
[zen-kernel-zen-kernel:5.5/futex-multiple-wait 2/6] kernel/futex.c:4435:17: error: implicit declaration of function 'compat_ptr'.
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#4498d5fac2330779e6eea6431a90...
... return keyctl_join_session_keyring(compat_ptr(arg2)); case KEYCTL_UPDATE: return keyctl_update_key(arg2, compat_ptr(arg3), ...
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#45[Xenomai-git] Philippe Gerum : drivers/timerbench: fix 32/64bit ...
... compat_ptr(res_buf.histogram_min), + ctx->histogram_min, size) < 0 || + rtdm_safe_copy_to_user(fd, compat_ptr(res_buf.histogram_max), ...
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#46compat.c - kernel-ark - Fedora RISC-V
kmsg->msg_control_user = compat_ptr(msg.msg_control);. kmsg->msg_controllen = msg.msg_controllen;. if (save_addr). *save_addr = compat_ptr(msg.msg_name);.
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#47mm tree - Marc.Info
[prev in thread] [next in thread] List: linux-mm-commits Subject: [merged] fs-add-missing-compat_ptr-handling-for-fs_ioc_resvsp-ioctl.patch ...
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#48Linux v5.15-rc4 - include/linux/compat.h - rabexc.org
#ifndef compat_ptr static inline void __user *compat_ptr(compat_uptr_t uptr) { return (void __user *)(unsigned long)uptr; } #endif static inline ...
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#49nuc980 spidev 访问设备失败问题解决- mapleft的日志
return spidev_ioctl(filp, cmd, (unsigned long)compat_ptr(arg));. } 通过函数跟踪得出spidev_compat_ioc_message（ ） 函数直接就返回，并没有运行 ...
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#50change semantics of ldisc ->compat_ioctl() - linux-stable
... if ldisc ->compat_ioctl() is NULL or returns -ENOIOCTLCMD, tty_compat_ioctl() will try to feed cmd and compat_ptr(arg) to ldisc's native ->ioctl().
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#51From d5547f9feea459dfc9e7313bd1d561394e2c129f Mon ...
... + return -XFS_ERROR(EFAULT); bulkreq.lastip = compat_ptr(addr); if (get_user(bulkreq.icount, &p32->icount) || get_user(addr, &p32->ubuffer)) - return ...
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#52add FS_IOC_UNRESVSP/FS_IOC_UNRESVSP64 ioctls
+ error = ioctl_preallocate(filp, compat_ptr(arg), + FALLOC_FL_KEEP_SIZE); + goto out_fput; + case FS_IOC_UNRESVSP:
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#53LKML: Greg Kroah-Hartman: [PATCH 4.14 46/71] af_unix
does not use the argument, but it doesn't hurt to also use compat_ptr() here. Fixes: ba94f3088b79 ("unix: add ioctl to open a unix socket ...
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#54查看源码: linux-2.6.16.tar.gz_compat_linux.c - VerySource
asmlinkage long; sys32_execve(struct pt_regs regs); {; int error;; char * filename;; filename = getname(compat_ptr(regs.orig_gpr2)); ...
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#55Qualcomm平台camera bringup（二） | 码农家园
... *)compat_ptr(slave_info32->sensor_id_info.setting.reg_setting) ... 编译，内核运行在64bit；所以需要compat_ptr（）函数将32位的用户指针转换 ...
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#56linux
struct ica_rsa_modexpo_32 __user *mex32u = compat_ptr(arg);. 482, 484, struct ica_rsa_modexpo_32 mex32k;. 483, 485, struct ica_rsa_modexpo __user *mex64;.
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#57Mesh / Galileo - Linux Kernel - GitLab
... unsigned short val) { return put_user(val, (unsigned short __user *)compat_ptr(arg)); } static int compat_put_int(unsigned long arg, ...
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#58Michael Schmidt / linux-stable-mcs - GitLab
Repository ; static int compat_put_ushort(unsigned long arg, unsigned short val) · return put_user(val, (unsigned short __user *)compat_ptr(arg)); } ...
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#59add missing compat_ptr handling for FS_IOC_RESVSP ioctl
a call to compat_ptr() which will do a proper pointer conversion. ... to vfs for compatibility with legacy xfs ioctls". Cc: Ankit Jain <me@ ...
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#60Socket与系统调用深度分析转 - OSCHINA
... 745 case SYS_BIND: 746 ret = __sys_bind(a0, compat_ptr(a1), a[2]); 747 break; 748 case SYS_CONNECT: 749 ret = __sys_connect(a0, ...
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#61sound/core/hwdep_compat.c - GitLab
... 4 + 64)) return -EFAULT; if (get_user(ptr, &src->image) || put_user(compat_ptr(ptr), &dst->image)) return -EFAULT; if (get_user(val, ...
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#62compat USB ioctl take II was Re: compat ioctl for submiting URB
... uurb = compat_ptr(arg); - - err = -ENOMEM; - kurb = kmalloc(sizeof(struct usbdevfs_urb) + - (sizeof(struct usbdevfs_iso_packet_desc) ...
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#63ioctl32.c: Conversion between 32bit and 64bit native ioctls ...
... err = put_user(compat_ptr(fp), &up_native->iFrame); err |= put_user(size, ... cmdp = compat_ptr(data); if (get_user(data, &sgio32->sbp)) return -EFAULT; ...
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#64Linuxのunlocked_ioctlとcompat_ioctlの違い - Qiita
... f.file); if (error == -ENOIOCTLCMD) error = -ENOTTY; goto out_fput; found_handler: arg = (unsigned long)compat_ptr(arg); do_ioctl: error ...
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#65Add new OCFS2_IOC_INFO ioctl for ocfs2 v7.
... + (u64 __user *)compat_ptr(info->oi_requests) + i)) >> + goto bail; ... implicit declaration of function 'compat_ptr' > > and: > Joel, ...
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#66Source of compat_ioctl.c - ubuntu-hardy-openvz - Stash
return put_user(val, (unsigned short __user *)compat_ptr(arg));. 17. } 18. . 19. static int compat_put_int(unsigned long arg, int val).
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#6732位用户态ioctl访问64位内核态ioctl - 知乎专栏
这里还有个坑，ioctl如果传进来的参数是个用户态指针的话，还是需要使用compat_ptr将该32bits用户态指针转换成64bits的用户态指针（如果指针嵌套指针 ...
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#68compat IOCTL - 기술 노트 - 이글루스
snd_pcm_ioctl_compat (..., unsigned long arg) {. void __user *argp = compat_ptr(arg);. snd_pcm_playback_ioctl1(file, substream, cmd, argp);. }.
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#69block/compat_ioctl.c - WHOI Community GitLab
... u64 val) { return put_user(val, (compat_u64 __user *)compat_ptr(arg)); } struct compat_hd_geometry { unsigned char heads; unsigned char ...
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#70media: atomisp: compat32: fix __user annotations (cf57026b)
media: atomisp: compat32: fix __user annotations ; kp->base = (void __force *)compat_ptr(tmp); ; get_v4l2_pix_format((struct v4l2_pix_format *)&kp ...
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#71Can't install drivers on Red Hat 6.9 - PEAK-System Forum
... of function 'compat_ptr' /root/Desktop/peak-linux-driver-8.4.0/driver/src/pcan_fops_linux.c:1200: warning: initialization makes pointer ...
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#72kernel (git) - OSDN - 開發和下載開源軟體
mtd: Fix pointer handling in compat ioctls to use compat_ptr(). Signed-off-by: David Woodhouse <[email protected]> ...
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#73[PATCH] Add 32-bit compatibility for NFSv4 mount · 9a9947bf7a
dst->data = compat_ptr(src->data);. dst->len = src->len;. } struct compat_nfs4_mount_data_v1 {. compat_int_t version;. compat_int_t flags;.
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