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File _service:tar_scm:0002-Module-suspend-the-module-by-rmmod-r-option.patch of Package kmod
From 3466b9698c4372ec81ed71384e1845898b7044d0 Mon Sep 17 00:00:00 2001 From: Ruidong Cao <caoruidong@huawei.com> Date: Fri, 25 Sep 2020 03:00:25 -0400 Subject: [PATCH 2/2] Module: suspend the module by rmmod r option Signed-off-by: Ruidong Cao <caoruidong@huawei.com> Signed-off-by: fu.lin <fu.lin10@huawei.com> --- libkmod/libkmod-module.c | 2 +- libkmod/libkmod.h | 3 +++ shared/missing.h | 2 +- tools/rmmod.c | 7 ++++++- 4 files changed, 11 insertions(+), 3 deletions(-) diff --git a/libkmod/libkmod-module.c b/libkmod/libkmod-module.c index fd9861a..96f462a 100644 --- a/libkmod/libkmod-module.c +++ b/libkmod/libkmod-module.c @@ -846,7 +846,7 @@ KMOD_EXPORT int kmod_module_remove_module(struct kmod_module *mod, return -ENOENT; /* Filter out other flags and force ONONBLOCK */ - flags &= KMOD_REMOVE_FORCE; + flags &= KMOD_REMOVE_FORCE | KMOD_REMOVE_REPLACE; flags |= KMOD_REMOVE_NOWAIT; err = delete_module(mod->name, flags); diff --git a/libkmod/libkmod.h b/libkmod/libkmod.h index a56e5b4..78d11b3 100644 --- a/libkmod/libkmod.h +++ b/libkmod/libkmod.h @@ -147,6 +147,9 @@ enum kmod_remove { KMOD_REMOVE_NOWAIT = O_NONBLOCK, /* always set */ /* libkmod-only defines, not passed to kernel */ KMOD_REMOVE_NOLOG = 1, + + /* custom flag */ + KMOD_REMOVE_REPLACE = 0x1000, }; /* Insertion flags */ diff --git a/shared/missing.h b/shared/missing.h index 4d2253b..19fb36f 100644 --- a/shared/missing.h +++ b/shared/missing.h @@ -19,7 +19,7 @@ # define MODULE_REPLACE_MODULE 0x1000 #else _Static_assert(MODULE_REPLACE_MODULE == 0x1000, - "MODULE_REPLACE_MODULE != 0x1000, change `KMOD_INSERT_REPLACE` and `KMOD_PROBE_REPLACE` defination"); + "MODULE_REPLACE_MODULE != 0x1000, change `KMOD_INSERT_REPLACE`, `KMOD_REMOVE_REPLACE` and `KMOD_PROBE_REPLACE` defination"); #endif #ifndef __NR_finit_module diff --git a/tools/rmmod.c b/tools/rmmod.c index 3942e7b..1278234 100644 --- a/tools/rmmod.c +++ b/tools/rmmod.c @@ -36,9 +36,10 @@ static int verbose = DEFAULT_VERBOSE; static int use_syslog; -static const char cmdopts_s[] = "fsvVwh"; +static const char cmdopts_s[] = "frsvVwh"; static const struct option cmdopts[] = { {"force", no_argument, 0, 'f'}, + {"replace", no_argument, 0, 'r'}, {"syslog", no_argument, 0, 's'}, {"verbose", no_argument, 0, 'v'}, {"version", no_argument, 0, 'V'}, @@ -54,6 +55,7 @@ static void help(void) "\t-f, --force forces a module unload and may crash your\n" "\t machine. This requires Forced Module Removal\n" "\t option in your kernel. DANGEROUS\n" + "\t-r, --replace replace module\n" "\t-s, --syslog print to syslog, not stderr\n" "\t-v, --verbose enables more messages\n" "\t-V, --version show version\n" @@ -120,6 +122,9 @@ static int do_rmmod(int argc, char *argv[]) case 'f': flags |= KMOD_REMOVE_FORCE; break; + case 'r': + flags |= KMOD_REMOVE_REPLACE; + break; case 's': use_syslog = 1; break; -- 2.35.1
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