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random: remove unused irq_flags argument from add_interrupt_randomness()

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commit 703f7066f4 upstream.

Since commit
   ee3e00e9e7 ("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 <sthemmin@microsoft.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
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>
This commit is contained in:
Sebastian Andrzej Siewior 2021-12-07 13:17:33 +01:00 committed by Greg Kroah-Hartman
parent 53825dfb7e
commit d39d8f93a5
5 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/char/random.c
View File

@ -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);
@ -1272,7 +1272,7 @@ static __u32 get_reg(struct fast_pool *f, struct pt_regs *regs)
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);

2
drivers/hv/hv.c
View File

@ -115,7 +115,7 @@ static void hv_stimer0_isr(void)
hv_cpu = this_cpu_ptr(hv_context.cpu_context);
hv_cpu->clk_evt->event_handler(hv_cpu->clk_evt);
add_interrupt_randomness(stimer0_vector, 0);
add_interrupt_randomness(stimer0_vector);
}
static int hv_ce_set_next_event(unsigned long delta,

2
drivers/hv/vmbus_drv.c
View File

@ -1146,7 +1146,7 @@ static void vmbus_isr(void)
tasklet_schedule(&hv_cpu->msg_dpc);
}
add_interrupt_randomness(HYPERVISOR_CALLBACK_VECTOR, 0);
add_interrupt_randomness(HYPERVISOR_CALLBACK_VECTOR);
}
/*

2
include/linux/random.h
View File

@ -35,7 +35,7 @@ static inline void add_latent_entropy(void) {}
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);

2
kernel/irq/handle.c
View File

@ -188,7 +188,7 @@ irqreturn_t handle_irq_event_percpu(struct irq_desc *desc)
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);