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@sam0402
sam0402 authored Oct 26, 2021
1 parent 8a19d33 commit 40d56a9
Showing 1 changed file with 267 additions and 0 deletions.
267 changes: 267 additions & 0 deletions xenomai3/pcp-44100Hz_xe.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,267 @@
--- lah/arm/kernel/setup.c 2020-08-06 15:37:52.916179919 +0100
+++ linux-4.19.105pcp-44100KHz/arch/arm/kernel/setup.c 2020-08-06 13:41:46.219787760 +0100
@@ -1255,11 +1255,11 @@
#if defined(CONFIG_SMP)
seq_printf(m, "BogoMIPS\t: %lu.%02lu\n",
per_cpu(cpu_data, i).loops_per_jiffy / (500000UL/HZ),
- (per_cpu(cpu_data, i).loops_per_jiffy / (5000UL/HZ)) % 100);
+ (per_cpu(cpu_data, i).loops_per_jiffy * HZ / 5000UL) % 100);
#else
seq_printf(m, "BogoMIPS\t: %lu.%02lu\n",
loops_per_jiffy / (500000/HZ),
- (loops_per_jiffy / (5000/HZ)) % 100);
+ (loops_per_jiffy * HZ / 5000) % 100);
#endif
/* dump out the processor features */
seq_puts(m, "Features\t: ");
--- linux/arch/arm/kernel/smp.c 2020-08-06 15:37:52.916179919 +0100
+++ linux-4.19.105pcp-44100KHz/arch/arm/kernel/smp.c 2020-08-06 13:43:52.416542637 +0100
@@ -467,7 +467,7 @@
"(%lu.%02lu BogoMIPS).\n",
num_online_cpus(),
bogosum / (500000/HZ),
- (bogosum / (5000/HZ)) % 100);
+ (bogosum * HZ / 5000) % 100);

hyp_mode_check();
}
--- linux-4.20.1/init/calibrate.c 2019-01-09 17:46:05.000000000 +0100
+++ linux-4.20.1a/init/calibrate.c 2019-01-10 19:44:41.340976136 +0100
@@ -307,7 +307,7 @@
if (!printed)
pr_cont("%lu.%02lu BogoMIPS (lpj=%lu)\n",
lpj/(500000/HZ),
- (lpj/(5000/HZ)) % 100, lpj);
+ (lpj*HZ/5000) % 100, lpj);

loops_per_jiffy = lpj;
printed = true;
--- a/arch/x86/kernel/cpu/proc.c 2020-09-29 21:37:39.000000000 +0800
+++ b/arch/x86/kernel/cpu/proc.c 2020-11-07 16:12:39.885536873 +0800
@@ -112,7 +112,7 @@

seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
c->loops_per_jiffy/(500000/HZ),
- (c->loops_per_jiffy/(5000/HZ)) % 100);
+ (c->loops_per_jiffy*HZ/5000) % 100);

#ifdef CONFIG_X86_64
if (c->x86_tlbsize > 0)
--- a/arch/x86/kernel/smpboot.c 2020-09-29 21:37:39.000000000 +0800
+++ b/arch/x86/kernel/smpboot.c 2020-11-07 16:16:55.394527474 +0800
@@ -603,7 +603,7 @@
pr_info("Total of %d processors activated (%lu.%02lu BogoMIPS)\n",
num_online_cpus(),
bogosum/(500000/HZ),
- (bogosum/(5000/HZ))%100);
+ (bogosum*HZ/5000) % 100);

pr_debug("Before bogocount - setting activated=1\n");
}
--- linux/include/uapi/linux/nfsd/stats.h 2020-08-06 15:40:38.552945550 +0100
+++ linux-4.19.105pcp-44100KHz/include/uapi/linux/nfsd/stats.h 2020-08-06 13:59:51.803891923 +0100
@@ -13,6 +13,6 @@
#include <linux/nfs4.h>

/* thread usage wraps very million seconds (approx one fortnight) */
-#define NFSD_USAGE_WRAP (HZ*1000000)
+#define NFSD_USAGE_WRAP (HZ*100000)

#endif /* _UAPILINUX_NFSD_STATS_H */
--- linux/kernel/Kconfig.hz 2020-08-06 15:40:38.692942818 +0100
+++ linux-4.19.105pcp-44100KHz/kernel/Kconfig.hz 2020-08-06 14:07:04.384377910 +0100
@@ -45,6 +45,19 @@
1000 Hz is the preferred choice for desktop systems and other
systems requiring fast interactive responses to events.

+ config HZ_44100
+ bool "44100 HZ"
+ help
+ 44100 Hz is an obscene value to use to run broken software
+ that is Hz limited.
+ Being over 1000, driver breakage is likely.
+
+ config HZ_48000
+ bool "48000 HZ"
+ help
+ 48000 Hz is an obscene value to use to run broken software
+ that is Hz limited.
+ Being over 1000, driver breakage is likely.
endchoice

config HZ
@@ -53,6 +59,8 @@
default 250 if HZ_250
default 300 if HZ_300
default 1000 if HZ_1000
+ default 44100 if HZ_44100
+ default 48000 if HZ_48000

config SCHED_HRTICK
def_bool HIGH_RES_TIMERS
--- linux/arch/arm/Kconfig 2020-08-06 15:37:36.346503665 +0100
+++ linux-4.19.105pcp-44100KHz/arch/arm/Kconfig 2020-08-06 16:53:04.508618436 +0100
@@ -1511,6 +1511,13 @@
config HZ_1000
bool "1000 Hz"

+config HZ_44100
+ bool "44100 HZ"
+
+
+config HZ_48000
+ bool "48000 HZ"
+
endchoice

config HZ
@@ -1521,7 +1524,9 @@
default 250 if HZ_250
default 300 if HZ_300
default 500 if HZ_500
- default 1000
+ default 1000 if HZ_1000
+ default 44100 if HZ_44100
+ default 48000 if HZ_48000

config SCHED_HRTICK
def_bool HIGH_RES_TIMERS
--- a/arch/arm64/kernel/cpuinfo.c 2020-08-08 01:25:29.172716182 +0000
+++ b/arch/arm64/kernel/cpuinfo.c 2020-08-08 01:46:04.777047941 +0000
@@ -148,7 +148,7 @@

seq_printf(m, "BogoMIPS\t: %lu.%02lu\n",
loops_per_jiffy / (500000UL/HZ),
- loops_per_jiffy / (5000UL/HZ) % 100);
+ loops_per_jiffy * HZ /5000UL % 100);

/*
* Dump out the common processor features in a single line.
--- linux-4/net/netfilter/nf_conntrack_proto_tcp.c 2020-09-29 21:37:44.000000000 +0800
+++ linux/net/netfilter/nf_conntrack_proto_tcp.c 2020-10-06 09:14:01.701981426 +0800
@@ -64,12 +64,12 @@
"SYN_SENT2",
};

-#define SECS * HZ
+#define SECS * 1UL * HZ
#define MINS * 60 SECS
#define HOURS * 60 MINS
#define DAYS * 24 HOURS

-static const unsigned int tcp_timeouts[TCP_CONNTRACK_TIMEOUT_MAX] = {
+static const unsigned long int tcp_timeouts[TCP_CONNTRACK_TIMEOUT_MAX] = {
[TCP_CONNTRACK_SYN_SENT] = 2 MINS,
[TCP_CONNTRACK_SYN_RECV] = 60 SECS,
[TCP_CONNTRACK_ESTABLISHED] = 5 DAYS,
--- linux-4/net/netfilter/nf_conntrack_proto_sctp.c 2020-09-29 21:37:44.000000000 +0800
+++ linux/net/netfilter/nf_conntrack_proto_sctp.c 2020-10-06 09:14:30.438872761 +0800
@@ -48,12 +48,12 @@
"HEARTBEAT_ACKED",
};

-#define SECS * HZ
+#define SECS * 1UL * HZ
#define MINS * 60 SECS
#define HOURS * 60 MINS
#define DAYS * 24 HOURS

-static const unsigned int sctp_timeouts[SCTP_CONNTRACK_MAX] = {
+static const unsigned long int sctp_timeouts[SCTP_CONNTRACK_MAX] = {
[SCTP_CONNTRACK_CLOSED] = 10 SECS,
[SCTP_CONNTRACK_COOKIE_WAIT] = 3 SECS,
[SCTP_CONNTRACK_COOKIE_ECHOED] = 3 SECS,

--- a/include/linux/jiffies.h 2020-09-29 13:37:43.000000000 +0000
+++ b/include/linux/jiffies.h 2020-10-05 03:24:07.095041338 +0000
@@ -38,6 +38,10 @@
# define SHIFT_HZ 12
#elif HZ >= 6144 && HZ < 12288
# define SHIFT_HZ 13
+#elif HZ >= 12288 && HZ < 24576
+# define SHIFT_HZ 14
+#elif HZ >= 24576 && HZ < 49152
+# define SHIFT_HZ 15
#else
# error Invalid value of HZ.
#endif
--- a/arch/arm64/configs/bcm2711_defconfig 2020-09-29 21:37:38.645024592 +0800
+++ b/arch/arm64/configs/bcm2711_defconfig 2020-09-30 14:19:26.860969930 +0800
@@ -4,6 +4,8 @@
CONFIG_POSIX_MQUEUE=y
CONFIG_GENERIC_IRQ_DEBUGFS=y
CONFIG_NO_HZ=y
+CONFIG_HZ_44100=y
+CONFIG_HZ=44100
CONFIG_HIGH_RES_TIMERS=y
CONFIG_PREEMPT=y
CONFIG_BSD_PROCESS_ACCT=y
--- a/arch/x86/configs/x86_64_defconfig 2020-09-29 21:37:39.000000000 +0800
+++ b/arch/x86/configs/x86_64_defconfig 2020-11-07 14:56:07.418386916 +0800
@@ -51,7 +51,7 @@
CONFIG_X86_CHECK_BIOS_CORRUPTION=y
# CONFIG_MTRR_SANITIZER is not set
CONFIG_EFI=y
-CONFIG_HZ_1000=y
+CONFIG_HZ_44100=y
CONFIG_KEXEC=y
CONFIG_CRASH_DUMP=y
CONFIG_RANDOMIZE_BASE=y
--- linux/arch/arm64/kernel/cpuinfo.c.orig 2021-05-30 00:58:46.000000000 +0800
+++ linux/arch/arm64/kernel/cpuinfo.c 2021-06-08 13:01:59.498568238 +0800
@@ -17,6 +17,7 @@
#include <linux/elf.h>
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/of_platform.h>
#include <linux/personality.h>
#include <linux/preempt.h>
#include <linux/printk.h>
@@ -137,6 +138,10 @@
{
int i, j;
bool compat = personality(current->personality) == PER_LINUX32;
+ struct device_node *np;
+ const char *model;
+ const char *serial;
+ u32 revision;

for_each_online_cpu(i) {
struct cpuinfo_arm64 *cpuinfo = &per_cpu(cpu_data, i);
@@ -154,8 +159,7 @@

seq_printf(m, "BogoMIPS\t: %lu.%02lu\n",
loops_per_jiffy / (500000UL/HZ),
- loops_per_jiffy / (5000UL/HZ) % 100);
-
+ loops_per_jiffy * HZ /5000UL % 100);
/*
* Dump out the common processor features in a single line.
* Userspace should read the hwcaps with getauxval(AT_HWCAP)
@@ -197,6 +201,26 @@
seq_printf(m, "CPU revision\t: %d\n\n", MIDR_REVISION(midr));
}

+ seq_printf(m, "Hardware\t: BCM2835\n");
+
+ np = of_find_node_by_path("/system");
+ if (np) {
+ if (!of_property_read_u32(np, "linux,revision", &revision))
+ seq_printf(m, "Revision\t: %04x\n", revision);
+ of_node_put(np);
+ }
+
+ np = of_find_node_by_path("/");
+ if (np) {
+ if (!of_property_read_string(np, "serial-number",
+ &serial))
+ seq_printf(m, "Serial\t\t: %s\n", serial);
+ if (!of_property_read_string(np, "model",
+ &model))
+ seq_printf(m, "Model\t\t: %s\n", model);
+ of_node_put(np);
+ }
+
return 0;
}

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