Date: Sun, 18 Jul 2021 00:35:58 GMT From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 415e9b69a167 - stable/13 - LinuxKPI: remove < 5.0 version support Message-ID: <202107180035.16I0ZwmL048502@gitrepo.freebsd.org>
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The branch stable/13 has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=415e9b69a167d242619ae00bc86695e2d339007a commit 415e9b69a167d242619ae00bc86695e2d339007a Author: Bjoern A. Zeeb <bz@FreeBSD.org> AuthorDate: 2021-03-23 14:24:49 +0000 Commit: Bjoern A. Zeeb <bz@FreeBSD.org> CommitDate: 2021-07-18 00:34:58 +0000 LinuxKPI: remove < 5.0 version support We are not aware of any out-of-tree consumers anymore which would need KPI support for before Linux version 5. Update the two in-tree consumers to use the new KPI. This allows us to remove the extra version check and will also give access to {lower,upper}_32_bits() unconditionally. Sponsored by: The FreeBSD Foundation Reviewed by: hselasky, rlibby, rstone X-MFC: to 13 only Differential Revision: https://reviews.freebsd.org/D29391 (cherry picked from commit 3b1ecc9fa1b57ca7a1c86661e9a323bc41c97ecc) --- sys/compat/linuxkpi/common/include/asm/uaccess.h | 4 ---- sys/compat/linuxkpi/common/include/linux/compiler.h | 3 --- sys/compat/linuxkpi/common/include/linux/uaccess.h | 4 ---- sys/dev/pms/freebsd/driver/common/lxencrypt.c | 4 ++-- sys/ofed/drivers/infiniband/core/ib_uverbs_main.c | 3 +-- 5 files changed, 3 insertions(+), 15 deletions(-) diff --git a/sys/compat/linuxkpi/common/include/asm/uaccess.h b/sys/compat/linuxkpi/common/include/asm/uaccess.h index 0ae20b09dc8c..102373634ba3 100644 --- a/sys/compat/linuxkpi/common/include/asm/uaccess.h +++ b/sys/compat/linuxkpi/common/include/asm/uaccess.h @@ -52,11 +52,7 @@ copy_from_user(void *to, const void *from, unsigned long n) #define __copy_from_user(...) copy_from_user(__VA_ARGS__) #define __copy_in_user(...) copy_from_user(__VA_ARGS__) -#if defined(LINUXKPI_VERSION) && LINUXKPI_VERSION >= 50000 #define user_access_begin(ptr, len) access_ok(ptr, len) -#else -#define user_access_begin() do { } while (0) -#endif #define user_access_end() do { } while (0) #define unsafe_get_user(x, ptr, err) do { \ diff --git a/sys/compat/linuxkpi/common/include/linux/compiler.h b/sys/compat/linuxkpi/common/include/linux/compiler.h index 1177674aa68f..d8aef4fa7988 100644 --- a/sys/compat/linuxkpi/common/include/linux/compiler.h +++ b/sys/compat/linuxkpi/common/include/linux/compiler.h @@ -81,11 +81,8 @@ #define barrier() __asm__ __volatile__("": : :"memory") -#if defined(LINUXKPI_VERSION) && LINUXKPI_VERSION >= 50000 -/* Moved from drm_os_freebsd.h */ #define lower_32_bits(n) ((u32)(n)) #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) -#endif #define ___PASTE(a,b) a##b #define __PASTE(a,b) ___PASTE(a,b) diff --git a/sys/compat/linuxkpi/common/include/linux/uaccess.h b/sys/compat/linuxkpi/common/include/linux/uaccess.h index c09c363a98a7..10a06a220f86 100644 --- a/sys/compat/linuxkpi/common/include/linux/uaccess.h +++ b/sys/compat/linuxkpi/common/include/linux/uaccess.h @@ -61,11 +61,7 @@ #define put_user(_x, _p) __put_user(_x, _p) #define clear_user(...) linux_clear_user(__VA_ARGS__) -#if defined(LINUXKPI_VERSION) && LINUXKPI_VERSION >= 50000 #define access_ok(a,b) linux_access_ok(a,b) -#else -#define access_ok(a,b,c) linux_access_ok(b,c) -#endif extern int linux_copyin(const void *uaddr, void *kaddr, size_t len); extern int linux_copyout(const void *kaddr, void *uaddr, size_t len); diff --git a/sys/dev/pms/freebsd/driver/common/lxencrypt.c b/sys/dev/pms/freebsd/driver/common/lxencrypt.c index c53c52fb2378..0d469f9fdbf7 100644 --- a/sys/dev/pms/freebsd/driver/common/lxencrypt.c +++ b/sys/dev/pms/freebsd/driver/common/lxencrypt.c @@ -838,7 +838,7 @@ printf("%s: Minor %d\n", __FUNCTION__, pIoctlPayload->hdr.MinorFunction); printf("%s: Add kek at index 0x%x wrapper 0x%x format 0x%x\n", __FUNCTION__, kek_add->kekIndex, kek_add->wrapperKekIndex, kek_add->blobFormat); /* Copy kek_blob from user pointer to local buffer */ - if(access_ok(VERIFY_READ, kek_add->EncryptKekBlob, sizeof(kek_blob))) { + if(access_ok(kek_add->EncryptKekBlob, sizeof(kek_blob))) { printf("%s: Starting copy from user %p to kernel %p\n", __FUNCTION__, kek_add->EncryptKekBlob, &kek_blob); if((rv = copy_from_user(&kek_blob, kek_add->EncryptKekBlob, sizeof(kek_blob))) != 0) { printf("%s: Copy error, %d left\n", __FUNCTION__, rv); @@ -873,7 +873,7 @@ printf("%s: Minor %d\n", __FUNCTION__, pIoctlPayload->hdr.MinorFunction); printf("%s: Add dek at index 0x%x, table %x, kek index %x, blob format %x, entry size %x\n", __FUNCTION__, dek_index, dek_table, kek_index, blob_format, entry_sz); /* Copy dek_blob from user pointer to local buffer */ - if(access_ok(VERIFY_READ, dek_add->dekBlob, sizeof(dek_blob))) { + if(access_ok(dek_add->dekBlob, sizeof(dek_blob))) { printf("%s: Starting copy from user %p to kernel %p\n", __FUNCTION__, dek_add->dekBlob, &dek_blob); if((rv = copy_from_user(&dek_blob, dek_add->dekBlob, sizeof(dek_blob))) != 0) { printf("%s: Copy error, %d left\n", __FUNCTION__, rv); diff --git a/sys/ofed/drivers/infiniband/core/ib_uverbs_main.c b/sys/ofed/drivers/infiniband/core/ib_uverbs_main.c index 8aab2ac3ff8d..e1b560774fbc 100644 --- a/sys/ofed/drivers/infiniband/core/ib_uverbs_main.c +++ b/sys/ofed/drivers/infiniband/core/ib_uverbs_main.c @@ -856,8 +856,7 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, goto out; } - if (!access_ok(VERIFY_WRITE, - (void __user *) (unsigned long) ex_hdr.response, + if (!access_ok((void __user *) (unsigned long) ex_hdr.response, (hdr.out_words + ex_hdr.provider_out_words) * 8)) { ret = -EFAULT; goto out;
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