[PATCH 4.9 082/264] random: remove unused irq_flags argument from add_interrupt_randomness()
STALE1559d
REVIEWED: 2 (2M)
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2022-06-23 16:55:57
Also in:
lkml, stable
1 review trailer.
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
commit 703f7066f40599c290babdb79dd61319264987e9 upstream.
Since commit
ee3e00e9e7101 ("random: use registers from interrupted code for CPU's w/o a cycle counter")
the irq_flags argument is no longer used.
Remove unused irq_flags.
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Stephen Hemminger <redacted>
Cc: Thomas Gleixner <redacted>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: linux-hyperv@vger.kernel.org
Cc: x86@kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/char/random.c | 4 ++--
drivers/hv/vmbus_drv.c | 2 +-
include/linux/random.h | 2 +-
kernel/irq/handle.c | 2 +-
4 files changed, 5 insertions(+), 5 deletions(-)
--- a/drivers/char/random.c
+++ b/drivers/char/random.c@@ -200,7 +200,7 @@ * void add_device_randomness(const void *buf, unsigned int size); * void add_input_randomness(unsigned int type, unsigned int code, * unsigned int value); - * void add_interrupt_randomness(int irq, int irq_flags); + * void add_interrupt_randomness(int irq); * void add_disk_randomness(struct gendisk *disk); * void add_hwgenerator_randomness(const char *buffer, size_t count, * size_t entropy);
@@ -1323,7 +1323,7 @@ static __u32 get_reg(struct fast_pool *f return *ptr; } -void add_interrupt_randomness(int irq, int irq_flags) +void add_interrupt_randomness(int irq) { struct entropy_store *r; struct fast_pool *fast_pool = this_cpu_ptr(&irq_randomness); --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c
@@ -828,7 +828,7 @@ static void vmbus_isr(void) tasklet_schedule(hv_context.msg_dpc[cpu]); } - add_interrupt_randomness(HYPERVISOR_CALLBACK_VECTOR, 0); + add_interrupt_randomness(HYPERVISOR_CALLBACK_VECTOR); } --- a/include/linux/random.h +++ b/include/linux/random.h
@@ -34,7 +34,7 @@ static inline void add_latent_entropy(vo extern void add_input_randomness(unsigned int type, unsigned int code, unsigned int value) __latent_entropy; -extern void add_interrupt_randomness(int irq, int irq_flags) __latent_entropy; +extern void add_interrupt_randomness(int irq) __latent_entropy; extern void get_random_bytes(void *buf, int nbytes); extern int wait_for_random_bytes(void); --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c
@@ -184,7 +184,7 @@ irqreturn_t handle_irq_event_percpu(stru retval = __handle_irq_event_percpu(desc, &flags); - add_interrupt_randomness(desc->irq_data.irq, flags); + add_interrupt_randomness(desc->irq_data.irq); if (!noirqdebug) note_interrupt(desc, retval);