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-rw-r--r--arch/powerpc/kernel/setup-common.c1
-rw-r--r--arch/s390/kernel/setup.c1
-rw-r--r--arch/x86/mm/cpu_entry_area.c2
-rw-r--r--drivers/char/hw_random/powernv-rng.c1
-rw-r--r--drivers/char/hw_random/s390-trng.c1
-rw-r--r--drivers/char/random.c1
-rw-r--r--drivers/firmware/efi/efi.c4
-rw-r--r--include/linux/prandom.h6
-rw-r--r--include/linux/random.h2
-rw-r--r--net/ipv4/tcp_plb.c2
10 files changed, 10 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 6d041993a45d..9b10e57040c6 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -59,6 +59,7 @@
#include <asm/xmon.h>
#include <asm/cputhreads.h>
#include <mm/mmu_decl.h>
+#include <asm/archrandom.h>
#include <asm/fadump.h>
#include <asm/udbg.h>
#include <asm/hugetlb.h>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 2094f575c532..2b6091349daa 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -52,6 +52,7 @@
#include <linux/hugetlb.h>
#include <linux/kmemleak.h>
+#include <asm/archrandom.h>
#include <asm/boot_data.h>
#include <asm/ipl.h>
#include <asm/facility.h>
diff --git a/arch/x86/mm/cpu_entry_area.c b/arch/x86/mm/cpu_entry_area.c
index 8bb1aa6a7aa3..7316a8224259 100644
--- a/arch/x86/mm/cpu_entry_area.c
+++ b/arch/x86/mm/cpu_entry_area.c
@@ -36,7 +36,7 @@ static __init void init_cea_offsets(void)
unsigned int cea;
again:
- cea = prandom_u32_max(max_cea);
+ cea = get_random_u32_below(max_cea);
for_each_possible_cpu(j) {
if (cea_offset(j) == cea)
diff --git a/drivers/char/hw_random/powernv-rng.c b/drivers/char/hw_random/powernv-rng.c
index 429e956f34e1..47b88de029f2 100644
--- a/drivers/char/hw_random/powernv-rng.c
+++ b/drivers/char/hw_random/powernv-rng.c
@@ -11,6 +11,7 @@
#include <linux/platform_device.h>
#include <linux/random.h>
#include <linux/hw_random.h>
+#include <asm/archrandom.h>
static int powernv_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
{
diff --git a/drivers/char/hw_random/s390-trng.c b/drivers/char/hw_random/s390-trng.c
index cffa326ddc8d..d27e32e9bfee 100644
--- a/drivers/char/hw_random/s390-trng.c
+++ b/drivers/char/hw_random/s390-trng.c
@@ -23,6 +23,7 @@
#include <linux/sched/signal.h>
#include <asm/debug.h>
#include <asm/cpacf.h>
+#include <asm/archrandom.h>
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("IBM Corporation");
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 5885ed574c6a..ce3ccd172cc8 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -56,6 +56,7 @@
#include <linux/sched/isolation.h>
#include <crypto/chacha.h>
#include <crypto/blake2s.h>
+#include <asm/archrandom.h>
#include <asm/processor.h>
#include <asm/irq.h>
#include <asm/irq_regs.h>
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 31a4090c66b3..09716eebe8ac 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -429,7 +429,9 @@ static int __init efisubsys_init(void)
platform_device_register_simple("efi_secret", 0, NULL, 0);
#endif
- execute_with_initialized_rng(&refresh_nv_rng_seed_nb);
+ if (efi_rt_services_supported(EFI_RT_SUPPORTED_SET_VARIABLE))
+ execute_with_initialized_rng(&refresh_nv_rng_seed_nb);
+
return 0;
err_remove_group:
diff --git a/include/linux/prandom.h b/include/linux/prandom.h
index c94c02ba065c..f2ed5b72b3d6 100644
--- a/include/linux/prandom.h
+++ b/include/linux/prandom.h
@@ -24,12 +24,6 @@ void prandom_seed_full_state(struct rnd_state __percpu *pcpu_state);
#define prandom_init_once(pcpu_state) \
DO_ONCE(prandom_seed_full_state, (pcpu_state))
-/* Deprecated: use get_random_u32_below() instead. */
-static inline u32 prandom_u32_max(u32 ep_ro)
-{
- return get_random_u32_below(ep_ro);
-}
-
/*
* Handle minimum values for seeds
*/
diff --git a/include/linux/random.h b/include/linux/random.h
index 4a2a1de423cd..b0a940af4fff 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -152,8 +152,6 @@ declare_get_random_var_wait(long, unsigned long)
*/
#include <linux/prandom.h>
-#include <asm/archrandom.h>
-
#ifdef CONFIG_SMP
int random_prepare_cpu(unsigned int cpu);
int random_online_cpu(unsigned int cpu);
diff --git a/net/ipv4/tcp_plb.c b/net/ipv4/tcp_plb.c
index bb1a08fda113..4bcf7eff95e3 100644
--- a/net/ipv4/tcp_plb.c
+++ b/net/ipv4/tcp_plb.c
@@ -97,7 +97,7 @@ void tcp_plb_update_state_upon_rto(struct sock *sk, struct tcp_plb_state *plb)
return;
pause = READ_ONCE(net->ipv4.sysctl_tcp_plb_suspend_rto_sec) * HZ;
- pause += prandom_u32_max(pause);
+ pause += get_random_u32_below(pause);
plb->pause_until = tcp_jiffies32 + pause;
/* Reset PLB state upon RTO, since an RTO causes a sk_rethink_txhash() call