From: Mauro Carvalho Chehab <mchehab@kernel.org> To: Luis Chamberlain <mcgrof@kernel.org> Cc: Mauro Carvalho Chehab <mchehab@kernel.org>, "Daniel Vetter" <daniel@ffwll.ch>, "David Airlie" <airlied@linux.ie>, "Greg KH" <gregkh@linuxfoundation.org>, "Jaroslav Kysela" <perex@perex.cz>, "Kai Vehmanen" <kai.vehmanen@intel.com>, "Lucas De Marchi" <lucas.demarchi@intel.com>, "Pierre-Louis Bossart" <pierre-louis.bossart@intel.com>, "Takashi Iwai" <tiwai@suse.com>, alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-modules@vger.kernel.org, mauro.chehab@linux.intel.com, Dan Williams <dan.j.williams@intel.com> Subject: [PATCH v5 1/2] module: update dependencies at try_module_get() Date: Sat, 30 Apr 2022 21:04:54 +0100 [thread overview] Message-ID: <ad2a9fe66cf502e2e2e2325f1f04d0fae36aa82b.1651348913.git.mchehab@kernel.org> (raw) In-Reply-To: <cover.1651348913.git.mchehab@kernel.org> Sometimes, device drivers are bound into each other via try_module_get(), making such references invisible when looking at /proc/modules or lsmod. Add a function to allow setting up module references for such cases, and call it when try_module_get() is used. Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> --- See [PATCH v5 0/2] at: https://lore.kernel.org/all/cover.1651348913.git.mchehab@kernel.org/ include/linux/module.h | 8 ++++-- kernel/module/main.c | 65 +++++++++++++++++++++++++++++++++--------- 2 files changed, 56 insertions(+), 17 deletions(-) diff --git a/include/linux/module.h b/include/linux/module.h index 46d4d5f2516e..3d9d38c426b4 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -620,12 +620,12 @@ extern void __module_get(struct module *module); /* This is the Right Way to get a module: if it fails, it's being removed, * so pretend it's not there. */ -extern bool try_module_get(struct module *module); +extern bool try_module_get_owner(struct module *module, struct module *this); extern void module_put(struct module *module); #else /*!CONFIG_MODULE_UNLOAD*/ -static inline bool try_module_get(struct module *module) +static inline bool try_module_get_owner(struct module *module, struct module *this) { return !module || module_is_live(module); } @@ -740,7 +740,7 @@ static inline void __module_get(struct module *module) { } -static inline bool try_module_get(struct module *module) +static inline bool try_module_get_owner(struct module *module, struct module *this) { return true; } @@ -875,6 +875,8 @@ static inline bool module_sig_ok(struct module *module) } #endif /* CONFIG_MODULE_SIG */ +#define try_module_get(mod) try_module_get_owner(mod, THIS_MODULE) + int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data); diff --git a/kernel/module/main.c b/kernel/module/main.c index 05a42d8fcd7a..218c4308bb7a 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -150,6 +150,24 @@ int unregister_module_notifier(struct notifier_block *nb) } EXPORT_SYMBOL(unregister_module_notifier); +static bool __try_module_get(struct module *module) +{ + bool ret = true; + + if (module) { + preempt_disable(); + /* Note: here, we can fail to get a reference */ + if (likely(module_is_live(module) && + atomic_inc_not_zero(&module->refcnt) != 0)) + trace_module_get(module, _RET_IP_); + else + ret = false; + + preempt_enable(); + } + return ret; +} + /* * We require a truly strong try_module_get(): 0 means success. * Otherwise an error is returned due to ongoing or failed @@ -160,7 +178,7 @@ static inline int strong_try_module_get(struct module *mod) BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); if (mod && mod->state == MODULE_STATE_COMING) return -EBUSY; - if (try_module_get(mod)) + if (__try_module_get(mod)) return 0; else return -ENOENT; @@ -631,6 +649,33 @@ static int ref_module(struct module *a, struct module *b) return 0; } +static int ref_module_dependency(struct module *mod, struct module *this) +{ + int ret; + + if (!this || !this->name) + return -EINVAL; + + if (mod == this) + return 0; + + mutex_lock(&module_mutex); + + ret = ref_module(this, mod); + +#ifdef CONFIG_MODULE_UNLOAD + if (ret) + goto ret; + + ret = sysfs_create_link(mod->holders_dir, + &this->mkobj.kobj, this->name); +#endif + +ret: + mutex_unlock(&module_mutex); + return ret; +} + /* Clear the unload stuff of the module. */ static void module_unload_free(struct module *mod) { @@ -841,24 +886,16 @@ void __module_get(struct module *module) } EXPORT_SYMBOL(__module_get); -bool try_module_get(struct module *module) +bool try_module_get_owner(struct module *module, struct module *this) { - bool ret = true; + int ret = __try_module_get(module); - if (module) { - preempt_disable(); - /* Note: here, we can fail to get a reference */ - if (likely(module_is_live(module) && - atomic_inc_not_zero(&module->refcnt) != 0)) - trace_module_get(module, _RET_IP_); - else - ret = false; + if (ret) + ref_module_dependency(module, this); - preempt_enable(); - } return ret; } -EXPORT_SYMBOL(try_module_get); +EXPORT_SYMBOL(try_module_get_owner); void module_put(struct module *module) { -- 2.35.1
WARNING: multiple messages have this Message-ID
From: Mauro Carvalho Chehab <mchehab@kernel.org> To: Luis Chamberlain <mcgrof@kernel.org> Cc: alsa-devel@alsa-project.org, mauro.chehab@linux.intel.com, David Airlie <airlied@linux.ie>, Greg KH <gregkh@linuxfoundation.org>, intel-gfx@lists.freedesktop.org, Lucas De Marchi <lucas.demarchi@intel.com>, Takashi Iwai <tiwai@suse.com>, dri-devel@lists.freedesktop.org, Jaroslav Kysela <perex@perex.cz>, Kai Vehmanen <kai.vehmanen@intel.com>, linux-modules@vger.kernel.org, Dan Williams <dan.j.williams@intel.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, linux-kernel@vger.kernel.org, Pierre-Louis Bossart <pierre-louis.bossart@intel.com> Subject: [PATCH v5 1/2] module: update dependencies at try_module_get() Date: Sat, 30 Apr 2022 21:04:54 +0100 [thread overview] Message-ID: <ad2a9fe66cf502e2e2e2325f1f04d0fae36aa82b.1651348913.git.mchehab@kernel.org> (raw) In-Reply-To: <cover.1651348913.git.mchehab@kernel.org> Sometimes, device drivers are bound into each other via try_module_get(), making such references invisible when looking at /proc/modules or lsmod. Add a function to allow setting up module references for such cases, and call it when try_module_get() is used. Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> --- See [PATCH v5 0/2] at: https://lore.kernel.org/all/cover.1651348913.git.mchehab@kernel.org/ include/linux/module.h | 8 ++++-- kernel/module/main.c | 65 +++++++++++++++++++++++++++++++++--------- 2 files changed, 56 insertions(+), 17 deletions(-) diff --git a/include/linux/module.h b/include/linux/module.h index 46d4d5f2516e..3d9d38c426b4 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -620,12 +620,12 @@ extern void __module_get(struct module *module); /* This is the Right Way to get a module: if it fails, it's being removed, * so pretend it's not there. */ -extern bool try_module_get(struct module *module); +extern bool try_module_get_owner(struct module *module, struct module *this); extern void module_put(struct module *module); #else /*!CONFIG_MODULE_UNLOAD*/ -static inline bool try_module_get(struct module *module) +static inline bool try_module_get_owner(struct module *module, struct module *this) { return !module || module_is_live(module); } @@ -740,7 +740,7 @@ static inline void __module_get(struct module *module) { } -static inline bool try_module_get(struct module *module) +static inline bool try_module_get_owner(struct module *module, struct module *this) { return true; } @@ -875,6 +875,8 @@ static inline bool module_sig_ok(struct module *module) } #endif /* CONFIG_MODULE_SIG */ +#define try_module_get(mod) try_module_get_owner(mod, THIS_MODULE) + int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data); diff --git a/kernel/module/main.c b/kernel/module/main.c index 05a42d8fcd7a..218c4308bb7a 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -150,6 +150,24 @@ int unregister_module_notifier(struct notifier_block *nb) } EXPORT_SYMBOL(unregister_module_notifier); +static bool __try_module_get(struct module *module) +{ + bool ret = true; + + if (module) { + preempt_disable(); + /* Note: here, we can fail to get a reference */ + if (likely(module_is_live(module) && + atomic_inc_not_zero(&module->refcnt) != 0)) + trace_module_get(module, _RET_IP_); + else + ret = false; + + preempt_enable(); + } + return ret; +} + /* * We require a truly strong try_module_get(): 0 means success. * Otherwise an error is returned due to ongoing or failed @@ -160,7 +178,7 @@ static inline int strong_try_module_get(struct module *mod) BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); if (mod && mod->state == MODULE_STATE_COMING) return -EBUSY; - if (try_module_get(mod)) + if (__try_module_get(mod)) return 0; else return -ENOENT; @@ -631,6 +649,33 @@ static int ref_module(struct module *a, struct module *b) return 0; } +static int ref_module_dependency(struct module *mod, struct module *this) +{ + int ret; + + if (!this || !this->name) + return -EINVAL; + + if (mod == this) + return 0; + + mutex_lock(&module_mutex); + + ret = ref_module(this, mod); + +#ifdef CONFIG_MODULE_UNLOAD + if (ret) + goto ret; + + ret = sysfs_create_link(mod->holders_dir, + &this->mkobj.kobj, this->name); +#endif + +ret: + mutex_unlock(&module_mutex); + return ret; +} + /* Clear the unload stuff of the module. */ static void module_unload_free(struct module *mod) { @@ -841,24 +886,16 @@ void __module_get(struct module *module) } EXPORT_SYMBOL(__module_get); -bool try_module_get(struct module *module) +bool try_module_get_owner(struct module *module, struct module *this) { - bool ret = true; + int ret = __try_module_get(module); - if (module) { - preempt_disable(); - /* Note: here, we can fail to get a reference */ - if (likely(module_is_live(module) && - atomic_inc_not_zero(&module->refcnt) != 0)) - trace_module_get(module, _RET_IP_); - else - ret = false; + if (ret) + ref_module_dependency(module, this); - preempt_enable(); - } return ret; } -EXPORT_SYMBOL(try_module_get); +EXPORT_SYMBOL(try_module_get_owner); void module_put(struct module *module) { -- 2.35.1
WARNING: multiple messages have this Message-ID
From: Mauro Carvalho Chehab <mchehab@kernel.org> To: Luis Chamberlain <mcgrof@kernel.org> Cc: alsa-devel@alsa-project.org, mauro.chehab@linux.intel.com, David Airlie <airlied@linux.ie>, Greg KH <gregkh@linuxfoundation.org>, intel-gfx@lists.freedesktop.org, Lucas De Marchi <lucas.demarchi@intel.com>, Takashi Iwai <tiwai@suse.com>, dri-devel@lists.freedesktop.org, Jaroslav Kysela <perex@perex.cz>, Kai Vehmanen <kai.vehmanen@intel.com>, linux-modules@vger.kernel.org, Dan Williams <dan.j.williams@intel.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, linux-kernel@vger.kernel.org, Pierre-Louis Bossart <pierre-louis.bossart@intel.com> Subject: [Intel-gfx] [PATCH v5 1/2] module: update dependencies at try_module_get() Date: Sat, 30 Apr 2022 21:04:54 +0100 [thread overview] Message-ID: <ad2a9fe66cf502e2e2e2325f1f04d0fae36aa82b.1651348913.git.mchehab@kernel.org> (raw) In-Reply-To: <cover.1651348913.git.mchehab@kernel.org> Sometimes, device drivers are bound into each other via try_module_get(), making such references invisible when looking at /proc/modules or lsmod. Add a function to allow setting up module references for such cases, and call it when try_module_get() is used. Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> --- See [PATCH v5 0/2] at: https://lore.kernel.org/all/cover.1651348913.git.mchehab@kernel.org/ include/linux/module.h | 8 ++++-- kernel/module/main.c | 65 +++++++++++++++++++++++++++++++++--------- 2 files changed, 56 insertions(+), 17 deletions(-) diff --git a/include/linux/module.h b/include/linux/module.h index 46d4d5f2516e..3d9d38c426b4 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -620,12 +620,12 @@ extern void __module_get(struct module *module); /* This is the Right Way to get a module: if it fails, it's being removed, * so pretend it's not there. */ -extern bool try_module_get(struct module *module); +extern bool try_module_get_owner(struct module *module, struct module *this); extern void module_put(struct module *module); #else /*!CONFIG_MODULE_UNLOAD*/ -static inline bool try_module_get(struct module *module) +static inline bool try_module_get_owner(struct module *module, struct module *this) { return !module || module_is_live(module); } @@ -740,7 +740,7 @@ static inline void __module_get(struct module *module) { } -static inline bool try_module_get(struct module *module) +static inline bool try_module_get_owner(struct module *module, struct module *this) { return true; } @@ -875,6 +875,8 @@ static inline bool module_sig_ok(struct module *module) } #endif /* CONFIG_MODULE_SIG */ +#define try_module_get(mod) try_module_get_owner(mod, THIS_MODULE) + int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data); diff --git a/kernel/module/main.c b/kernel/module/main.c index 05a42d8fcd7a..218c4308bb7a 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -150,6 +150,24 @@ int unregister_module_notifier(struct notifier_block *nb) } EXPORT_SYMBOL(unregister_module_notifier); +static bool __try_module_get(struct module *module) +{ + bool ret = true; + + if (module) { + preempt_disable(); + /* Note: here, we can fail to get a reference */ + if (likely(module_is_live(module) && + atomic_inc_not_zero(&module->refcnt) != 0)) + trace_module_get(module, _RET_IP_); + else + ret = false; + + preempt_enable(); + } + return ret; +} + /* * We require a truly strong try_module_get(): 0 means success. * Otherwise an error is returned due to ongoing or failed @@ -160,7 +178,7 @@ static inline int strong_try_module_get(struct module *mod) BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); if (mod && mod->state == MODULE_STATE_COMING) return -EBUSY; - if (try_module_get(mod)) + if (__try_module_get(mod)) return 0; else return -ENOENT; @@ -631,6 +649,33 @@ static int ref_module(struct module *a, struct module *b) return 0; } +static int ref_module_dependency(struct module *mod, struct module *this) +{ + int ret; + + if (!this || !this->name) + return -EINVAL; + + if (mod == this) + return 0; + + mutex_lock(&module_mutex); + + ret = ref_module(this, mod); + +#ifdef CONFIG_MODULE_UNLOAD + if (ret) + goto ret; + + ret = sysfs_create_link(mod->holders_dir, + &this->mkobj.kobj, this->name); +#endif + +ret: + mutex_unlock(&module_mutex); + return ret; +} + /* Clear the unload stuff of the module. */ static void module_unload_free(struct module *mod) { @@ -841,24 +886,16 @@ void __module_get(struct module *module) } EXPORT_SYMBOL(__module_get); -bool try_module_get(struct module *module) +bool try_module_get_owner(struct module *module, struct module *this) { - bool ret = true; + int ret = __try_module_get(module); - if (module) { - preempt_disable(); - /* Note: here, we can fail to get a reference */ - if (likely(module_is_live(module) && - atomic_inc_not_zero(&module->refcnt) != 0)) - trace_module_get(module, _RET_IP_); - else - ret = false; + if (ret) + ref_module_dependency(module, this); - preempt_enable(); - } return ret; } -EXPORT_SYMBOL(try_module_get); +EXPORT_SYMBOL(try_module_get_owner); void module_put(struct module *module) { -- 2.35.1
WARNING: multiple messages have this Message-ID
From: Mauro Carvalho Chehab <mchehab@kernel.org> To: Luis Chamberlain <mcgrof@kernel.org> Cc: alsa-devel@alsa-project.org, mauro.chehab@linux.intel.com, David Airlie <airlied@linux.ie>, Greg KH <gregkh@linuxfoundation.org>, intel-gfx@lists.freedesktop.org, Lucas De Marchi <lucas.demarchi@intel.com>, Takashi Iwai <tiwai@suse.com>, dri-devel@lists.freedesktop.org, Kai Vehmanen <kai.vehmanen@intel.com>, linux-modules@vger.kernel.org, Daniel Vetter <daniel@ffwll.ch>, Dan Williams <dan.j.williams@intel.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, linux-kernel@vger.kernel.org, Pierre-Louis Bossart <pierre-louis.bossart@intel.com> Subject: [PATCH v5 1/2] module: update dependencies at try_module_get() Date: Sat, 30 Apr 2022 21:04:54 +0100 [thread overview] Message-ID: <ad2a9fe66cf502e2e2e2325f1f04d0fae36aa82b.1651348913.git.mchehab@kernel.org> (raw) In-Reply-To: <cover.1651348913.git.mchehab@kernel.org> Sometimes, device drivers are bound into each other via try_module_get(), making such references invisible when looking at /proc/modules or lsmod. Add a function to allow setting up module references for such cases, and call it when try_module_get() is used. Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> --- See [PATCH v5 0/2] at: https://lore.kernel.org/all/cover.1651348913.git.mchehab@kernel.org/ include/linux/module.h | 8 ++++-- kernel/module/main.c | 65 +++++++++++++++++++++++++++++++++--------- 2 files changed, 56 insertions(+), 17 deletions(-) diff --git a/include/linux/module.h b/include/linux/module.h index 46d4d5f2516e..3d9d38c426b4 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -620,12 +620,12 @@ extern void __module_get(struct module *module); /* This is the Right Way to get a module: if it fails, it's being removed, * so pretend it's not there. */ -extern bool try_module_get(struct module *module); +extern bool try_module_get_owner(struct module *module, struct module *this); extern void module_put(struct module *module); #else /*!CONFIG_MODULE_UNLOAD*/ -static inline bool try_module_get(struct module *module) +static inline bool try_module_get_owner(struct module *module, struct module *this) { return !module || module_is_live(module); } @@ -740,7 +740,7 @@ static inline void __module_get(struct module *module) { } -static inline bool try_module_get(struct module *module) +static inline bool try_module_get_owner(struct module *module, struct module *this) { return true; } @@ -875,6 +875,8 @@ static inline bool module_sig_ok(struct module *module) } #endif /* CONFIG_MODULE_SIG */ +#define try_module_get(mod) try_module_get_owner(mod, THIS_MODULE) + int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data); diff --git a/kernel/module/main.c b/kernel/module/main.c index 05a42d8fcd7a..218c4308bb7a 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -150,6 +150,24 @@ int unregister_module_notifier(struct notifier_block *nb) } EXPORT_SYMBOL(unregister_module_notifier); +static bool __try_module_get(struct module *module) +{ + bool ret = true; + + if (module) { + preempt_disable(); + /* Note: here, we can fail to get a reference */ + if (likely(module_is_live(module) && + atomic_inc_not_zero(&module->refcnt) != 0)) + trace_module_get(module, _RET_IP_); + else + ret = false; + + preempt_enable(); + } + return ret; +} + /* * We require a truly strong try_module_get(): 0 means success. * Otherwise an error is returned due to ongoing or failed @@ -160,7 +178,7 @@ static inline int strong_try_module_get(struct module *mod) BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); if (mod && mod->state == MODULE_STATE_COMING) return -EBUSY; - if (try_module_get(mod)) + if (__try_module_get(mod)) return 0; else return -ENOENT; @@ -631,6 +649,33 @@ static int ref_module(struct module *a, struct module *b) return 0; } +static int ref_module_dependency(struct module *mod, struct module *this) +{ + int ret; + + if (!this || !this->name) + return -EINVAL; + + if (mod == this) + return 0; + + mutex_lock(&module_mutex); + + ret = ref_module(this, mod); + +#ifdef CONFIG_MODULE_UNLOAD + if (ret) + goto ret; + + ret = sysfs_create_link(mod->holders_dir, + &this->mkobj.kobj, this->name); +#endif + +ret: + mutex_unlock(&module_mutex); + return ret; +} + /* Clear the unload stuff of the module. */ static void module_unload_free(struct module *mod) { @@ -841,24 +886,16 @@ void __module_get(struct module *module) } EXPORT_SYMBOL(__module_get); -bool try_module_get(struct module *module) +bool try_module_get_owner(struct module *module, struct module *this) { - bool ret = true; + int ret = __try_module_get(module); - if (module) { - preempt_disable(); - /* Note: here, we can fail to get a reference */ - if (likely(module_is_live(module) && - atomic_inc_not_zero(&module->refcnt) != 0)) - trace_module_get(module, _RET_IP_); - else - ret = false; + if (ret) + ref_module_dependency(module, this); - preempt_enable(); - } return ret; } -EXPORT_SYMBOL(try_module_get); +EXPORT_SYMBOL(try_module_get_owner); void module_put(struct module *module) { -- 2.35.1
next prev parent reply other threads:[~2022-04-30 20:05 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-04-30 20:04 [PATCH v5 0/2] Let userspace know when snd-hda-intel needs i915 Mauro Carvalho Chehab 2022-04-30 20:04 ` Mauro Carvalho Chehab 2022-04-30 20:04 ` [Intel-gfx] " Mauro Carvalho Chehab 2022-04-30 20:04 ` Mauro Carvalho Chehab 2022-04-30 20:04 ` Mauro Carvalho Chehab [this message] 2022-04-30 20:04 ` [PATCH v5 1/2] module: update dependencies at try_module_get() Mauro Carvalho Chehab 2022-04-30 20:04 ` [Intel-gfx] " Mauro Carvalho Chehab 2022-04-30 20:04 ` Mauro Carvalho Chehab 2022-05-02 6:08 ` Christophe Leroy 2022-05-02 6:08 ` [Intel-gfx] " Christophe Leroy 2022-05-02 6:08 ` Christophe Leroy 2022-05-02 6:08 ` Christophe Leroy 2022-05-05 21:35 ` [Intel-gfx] " Andi Shyti 2022-05-05 21:35 ` Andi Shyti 2022-05-09 16:56 ` Mauro Carvalho Chehab 2022-05-09 16:56 ` Mauro Carvalho Chehab 2022-05-09 16:56 ` Mauro Carvalho Chehab 2022-04-30 20:04 ` [PATCH v5 2/2] ALSA: hda - identify when audio is provided by a video driver Mauro Carvalho Chehab 2022-04-30 20:04 ` Mauro Carvalho Chehab 2022-04-30 20:04 ` [Intel-gfx] " Mauro Carvalho Chehab 2022-04-30 20:04 ` Mauro Carvalho Chehab 2022-05-09 8:48 ` Takashi Iwai 2022-05-09 8:48 ` Takashi Iwai 2022-05-09 8:48 ` Takashi Iwai 2022-05-09 8:48 ` [Intel-gfx] " Takashi Iwai 2022-04-30 20:21 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Let userspace know when snd-hda-intel needs i915 Patchwork 2022-04-30 20:51 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2022-04-30 22:42 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
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