From: Peter Zijlstra <peterz@infradead.org>
To: tglx@linutronix.de, axboe@kernel.dk
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
mingo@redhat.com, dvhart@infradead.org, dave@stgolabs.net,
andrealmeid@igalia.com, Andrew Morton <akpm@linux-foundation.org>,
urezki@gmail.com, hch@infradead.org, lstoakes@gmail.com,
Arnd Bergmann <arnd@arndb.de>,
linux-api@vger.kernel.org, linux-mm@kvack.org,
linux-arch@vger.kernel.org, malteskarupke@web.de,
steve.shaw@intel.com, marko.makela@mariadb.com,
andrei.artemev@intel.com
Subject: [PATCH 15/15] futex,selftests: Extend the futex selftests
Date: Fri, 22 Sep 2023 22:01:21 +0200 [thread overview]
Message-ID: <20230922205449.808782861@infradead.org> (raw)
In-Reply-To: 20230922200120.011184118@infradead.org
Extend the wait/requeue selftests to also cover the futex2 syscalls.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
tools/testing/selftests/futex/functional/futex_requeue.c | 100 +++++++++-
tools/testing/selftests/futex/functional/futex_wait.c | 56 ++++-
tools/testing/selftests/futex/functional/futex_wait_timeout.c | 16 +
tools/testing/selftests/futex/functional/futex_wait_wouldblock.c | 28 ++
tools/testing/selftests/futex/functional/futex_waitv.c | 15 -
tools/testing/selftests/futex/functional/run.sh | 6
tools/testing/selftests/futex/include/futex2test.h | 52 +++++
7 files changed, 243 insertions(+), 30 deletions(-)
--- a/tools/testing/selftests/futex/functional/futex_requeue.c
+++ b/tools/testing/selftests/futex/functional/futex_requeue.c
@@ -7,8 +7,10 @@
#include <pthread.h>
#include <limits.h>
+#include <stdbool.h>
#include "logging.h"
#include "futextest.h"
+#include "futex2test.h"
#define TEST_NAME "futex-requeue"
#define timeout_ns 30000000
@@ -16,24 +18,58 @@
volatile futex_t *f1;
+bool futex2 = 0;
+bool mixed = 0;
+
void usage(char *prog)
{
printf("Usage: %s\n", prog);
printf(" -c Use color\n");
+ printf(" -n Use futex2 interface\n");
+ printf(" -x Use mixed size futex\n");
printf(" -h Display this help message\n");
printf(" -v L Verbosity level: %d=QUIET %d=CRITICAL %d=INFO\n",
VQUIET, VCRITICAL, VINFO);
}
-void *waiterfn(void *arg)
+static void *waiterfn(void *arg)
{
+ unsigned int flags = 0;
struct timespec to;
- to.tv_sec = 0;
- to.tv_nsec = timeout_ns;
+ if (futex2) {
+ unsigned long mask;
+
+ if (clock_gettime(CLOCK_MONOTONIC, &to)) {
+ printf("clock_gettime() failed errno %d", errno);
+ return NULL;
+ }
+
+ to.tv_nsec += timeout_ns;
+ if (to.tv_nsec >= 1000000000) {
+ to.tv_sec++;
+ to.tv_nsec -= 1000000000;
+ }
+
+ if (mixed) {
+ flags |= FUTEX2_SIZE_U16;
+ mask = (unsigned short)(~0U);
+ } else {
+ flags |= FUTEX2_SIZE_U32;
+ mask = (unsigned int)(~0U);
+ }
+
+ if (futex2_wait(f1, *f1, mask, flags,
+ &to, CLOCK_MONOTONIC))
+ printf("waiter failed errno %d\n", errno);
+ } else {
+
+ to.tv_sec = 0;
+ to.tv_nsec = timeout_ns;
- if (futex_wait(f1, *f1, &to, 0))
- printf("waiter failed errno %d\n", errno);
+ if (futex_wait(f1, *f1, &to, flags))
+ printf("waiter failed errno %d\n", errno);
+ }
return NULL;
}
@@ -48,7 +84,7 @@ int main(int argc, char *argv[])
f1 = &_f1;
- while ((c = getopt(argc, argv, "cht:v:")) != -1) {
+ while ((c = getopt(argc, argv, "xncht:v:")) != -1) {
switch (c) {
case 'c':
log_color(1);
@@ -59,6 +95,12 @@ int main(int argc, char *argv[])
case 'v':
log_verbosity(atoi(optarg));
break;
+ case 'x':
+ mixed=1;
+ /* fallthrough */
+ case 'n':
+ futex2=1;
+ break;
default:
usage(basename(argv[0]));
exit(1);
@@ -79,7 +121,22 @@ int main(int argc, char *argv[])
usleep(WAKE_WAIT_US);
info("Requeuing 1 futex from f1 to f2\n");
- res = futex_cmp_requeue(f1, 0, &f2, 0, 1, 0);
+ if (futex2) {
+ struct futex_waitv futexes[2] = {
+ {
+ .val = 0,
+ .uaddr = (unsigned long)f1,
+ .flags = mixed ? FUTEX2_SIZE_U16 : FUTEX2_SIZE_U32,
+ },
+ {
+ .uaddr = (unsigned long)&f2,
+ .flags = FUTEX2_SIZE_U32,
+ },
+ };
+ res = futex2_requeue(futexes, 0, 0, 1);
+ } else {
+ res = futex_cmp_requeue(f1, 0, &f2, 0, 1, 0);
+ }
if (res != 1) {
ksft_test_result_fail("futex_requeue simple returned: %d %s\n",
res ? errno : res,
@@ -89,7 +146,11 @@ int main(int argc, char *argv[])
info("Waking 1 futex at f2\n");
- res = futex_wake(&f2, 1, 0);
+ if (futex2) {
+ res = futex2_wake(&f2, ~0U, 1, FUTEX2_SIZE_U32);
+ } else {
+ res = futex_wake(&f2, 1, 0);
+ }
if (res != 1) {
ksft_test_result_fail("futex_requeue simple returned: %d %s\n",
res ? errno : res,
@@ -112,7 +173,22 @@ int main(int argc, char *argv[])
usleep(WAKE_WAIT_US);
info("Waking 3 futexes at f1 and requeuing 7 futexes from f1 to f2\n");
- res = futex_cmp_requeue(f1, 0, &f2, 3, 7, 0);
+ if (futex2) {
+ struct futex_waitv futexes[2] = {
+ {
+ .val = 0,
+ .uaddr = (unsigned long)f1,
+ .flags = mixed ? FUTEX2_SIZE_U16 : FUTEX2_SIZE_U32,
+ },
+ {
+ .uaddr = (unsigned long)&f2,
+ .flags = FUTEX2_SIZE_U32,
+ },
+ };
+ res = futex2_requeue(futexes, 0, 3, 7);
+ } else {
+ res = futex_cmp_requeue(f1, 0, &f2, 3, 7, 0);
+ }
if (res != 10) {
ksft_test_result_fail("futex_requeue many returned: %d %s\n",
res ? errno : res,
@@ -121,7 +197,11 @@ int main(int argc, char *argv[])
}
info("Waking INT_MAX futexes at f2\n");
- res = futex_wake(&f2, INT_MAX, 0);
+ if (futex2) {
+ res = futex2_wake(&f2, ~0U, INT_MAX, FUTEX2_SIZE_U32);
+ } else {
+ res = futex_wake(&f2, INT_MAX, 0);
+ }
if (res != 7) {
ksft_test_result_fail("futex_requeue many returned: %d %s\n",
res ? errno : res,
--- a/tools/testing/selftests/futex/functional/futex_wait.c
+++ b/tools/testing/selftests/futex/functional/futex_wait.c
@@ -9,8 +9,10 @@
#include <sys/shm.h>
#include <sys/mman.h>
#include <fcntl.h>
+#include <stdbool.h>
#include "logging.h"
#include "futextest.h"
+#include "futex2test.h"
#define TEST_NAME "futex-wait"
#define timeout_ns 30000000
@@ -19,10 +21,13 @@
void *futex;
+bool futex2 = 0;
+
void usage(char *prog)
{
printf("Usage: %s\n", prog);
printf(" -c Use color\n");
+ printf(" -n Use futex2 interface\n");
printf(" -h Display this help message\n");
printf(" -v L Verbosity level: %d=QUIET %d=CRITICAL %d=INFO\n",
VQUIET, VCRITICAL, VINFO);
@@ -30,17 +35,35 @@ void usage(char *prog)
static void *waiterfn(void *arg)
{
- struct timespec to;
unsigned int flags = 0;
+ struct timespec to;
if (arg)
flags = *((unsigned int *) arg);
- to.tv_sec = 0;
- to.tv_nsec = timeout_ns;
+ if (futex2) {
+ if (clock_gettime(CLOCK_MONOTONIC, &to)) {
+ printf("clock_gettime() failed errno %d", errno);
+ return NULL;
+ }
- if (futex_wait(futex, 0, &to, flags))
- printf("waiter failed errno %d\n", errno);
+ to.tv_nsec += timeout_ns;
+ if (to.tv_nsec >= 1000000000) {
+ to.tv_sec++;
+ to.tv_nsec -= 1000000000;
+ }
+
+ if (futex2_wait(futex, 0, ~0U, flags | FUTEX2_SIZE_U32,
+ &to, CLOCK_MONOTONIC))
+ printf("waiter failed errno %d\n", errno);
+ } else {
+
+ to.tv_sec = 0;
+ to.tv_nsec = timeout_ns;
+
+ if (futex_wait(futex, 0, &to, flags))
+ printf("waiter failed errno %d\n", errno);
+ }
return NULL;
}
@@ -55,7 +78,7 @@ int main(int argc, char *argv[])
futex = &f_private;
- while ((c = getopt(argc, argv, "cht:v:")) != -1) {
+ while ((c = getopt(argc, argv, "ncht:v:")) != -1) {
switch (c) {
case 'c':
log_color(1);
@@ -66,6 +89,9 @@ int main(int argc, char *argv[])
case 'v':
log_verbosity(atoi(optarg));
break;
+ case 'n':
+ futex2=1;
+ break;
default:
usage(basename(argv[0]));
exit(1);
@@ -84,7 +110,11 @@ int main(int argc, char *argv[])
usleep(WAKE_WAIT_US);
info("Calling private futex_wake on futex: %p\n", futex);
- res = futex_wake(futex, 1, FUTEX_PRIVATE_FLAG);
+ if (futex2) {
+ res = futex2_wake(futex, ~0U, 1, FUTEX2_SIZE_U32 | FUTEX2_PRIVATE);
+ } else {
+ res = futex_wake(futex, 1, FUTEX_PRIVATE_FLAG);
+ }
if (res != 1) {
ksft_test_result_fail("futex_wake private returned: %d %s\n",
errno, strerror(errno));
@@ -112,7 +142,11 @@ int main(int argc, char *argv[])
usleep(WAKE_WAIT_US);
info("Calling shared (page anon) futex_wake on futex: %p\n", futex);
- res = futex_wake(futex, 1, 0);
+ if (futex2) {
+ res = futex2_wake(futex, ~0U, 1, FUTEX2_SIZE_U32);
+ } else {
+ res = futex_wake(futex, 1, 0);
+ }
if (res != 1) {
ksft_test_result_fail("futex_wake shared (page anon) returned: %d %s\n",
errno, strerror(errno));
@@ -151,7 +185,11 @@ int main(int argc, char *argv[])
usleep(WAKE_WAIT_US);
info("Calling shared (file backed) futex_wake on futex: %p\n", futex);
- res = futex_wake(shm, 1, 0);
+ if (futex2) {
+ res = futex2_wake(shm, ~0U, 1, FUTEX2_SIZE_U32);
+ } else {
+ res = futex_wake(shm, 1, 0);
+ }
if (res != 1) {
ksft_test_result_fail("futex_wake shared (file backed) returned: %d %s\n",
errno, strerror(errno));
--- a/tools/testing/selftests/futex/functional/futex_wait_timeout.c
+++ b/tools/testing/selftests/futex/functional/futex_wait_timeout.c
@@ -103,7 +103,7 @@ int main(int argc, char *argv[])
struct futex_waitv waitv = {
.uaddr = (uintptr_t)&f1,
.val = f1,
- .flags = FUTEX_32,
+ .flags = FUTEX2_SIZE_U32,
.__reserved = 0
};
@@ -128,7 +128,7 @@ int main(int argc, char *argv[])
}
ksft_print_header();
- ksft_set_plan(9);
+ ksft_set_plan(11);
ksft_print_msg("%s: Block on a futex and wait for timeout\n",
basename(argv[0]));
ksft_print_msg("\tArguments: timeout=%ldns\n", timeout_ns);
@@ -201,6 +201,18 @@ int main(int argc, char *argv[])
res = futex_waitv(&waitv, 1, 0, &to, CLOCK_REALTIME);
test_timeout(res, &ret, "futex_waitv realtime", ETIMEDOUT);
+ /* futex2_wait with CLOCK_MONOTONIC */
+ if (futex_get_abs_timeout(CLOCK_MONOTONIC, &to, timeout_ns))
+ return RET_FAIL;
+ res = futex2_wait(&f1, f1, 1, FUTEX2_SIZE_U32, &to, CLOCK_MONOTONIC);
+ test_timeout(res, &ret, "futex2_wait monotonic", ETIMEDOUT);
+
+ /* futex2_wait with CLOCK_REALTIME */
+ if (futex_get_abs_timeout(CLOCK_REALTIME, &to, timeout_ns))
+ return RET_FAIL;
+ res = futex2_wait(&f1, f1, 1, FUTEX2_SIZE_U32, &to, CLOCK_REALTIME);
+ test_timeout(res, &ret, "futex2_wait realtime", ETIMEDOUT);
+
ksft_print_cnts();
return ret;
}
--- a/tools/testing/selftests/futex/functional/futex_wait_wouldblock.c
+++ b/tools/testing/selftests/futex/functional/futex_wait_wouldblock.c
@@ -46,7 +46,7 @@ int main(int argc, char *argv[])
struct futex_waitv waitv = {
.uaddr = (uintptr_t)&f1,
.val = f1+1,
- .flags = FUTEX_32,
+ .flags = FUTEX2_SIZE_U32 | FUTEX2_PRIVATE,
.__reserved = 0
};
@@ -68,7 +68,7 @@ int main(int argc, char *argv[])
}
ksft_print_header();
- ksft_set_plan(2);
+ ksft_set_plan(3);
ksft_print_msg("%s: Test the unexpected futex value in FUTEX_WAIT\n",
basename(argv[0]));
@@ -106,6 +106,30 @@ int main(int argc, char *argv[])
ksft_test_result_pass("futex_waitv\n");
}
+ if (clock_gettime(CLOCK_MONOTONIC, &to)) {
+ error("clock_gettime failed\n", errno);
+ return errno;
+ }
+
+ to.tv_nsec += timeout_ns;
+
+ if (to.tv_nsec >= 1000000000) {
+ to.tv_sec++;
+ to.tv_nsec -= 1000000000;
+ }
+
+ info("Calling futex2_wait on f1: %u @ %p with val=%u\n", f1, &f1, f1+1);
+ res = futex2_wait(&f1, f1+1, ~0U, FUTEX2_SIZE_U32 | FUTEX2_PRIVATE,
+ &to, CLOCK_MONOTONIC);
+ if (!res || errno != EWOULDBLOCK) {
+ ksft_test_result_pass("futex2_wait returned: %d %s\n",
+ res ? errno : res,
+ res ? strerror(errno) : "");
+ ret = RET_FAIL;
+ } else {
+ ksft_test_result_pass("futex2_wait\n");
+ }
+
ksft_print_cnts();
return ret;
}
--- a/tools/testing/selftests/futex/functional/futex_waitv.c
+++ b/tools/testing/selftests/futex/functional/futex_waitv.c
@@ -88,7 +88,7 @@ int main(int argc, char *argv[])
for (i = 0; i < NR_FUTEXES; i++) {
waitv[i].uaddr = (uintptr_t)&futexes[i];
- waitv[i].flags = FUTEX_32 | FUTEX_PRIVATE_FLAG;
+ waitv[i].flags = FUTEX2_SIZE_U32 | FUTEX2_PRIVATE;
waitv[i].val = 0;
waitv[i].__reserved = 0;
}
@@ -99,7 +99,8 @@ int main(int argc, char *argv[])
usleep(WAKE_WAIT_US);
- res = futex_wake(u64_to_ptr(waitv[NR_FUTEXES - 1].uaddr), 1, FUTEX_PRIVATE_FLAG);
+ res = futex2_wake(u64_to_ptr(waitv[NR_FUTEXES - 1].uaddr), ~0U, 1,
+ FUTEX2_PRIVATE | FUTEX2_SIZE_U32);
if (res != 1) {
ksft_test_result_fail("futex_wake private returned: %d %s\n",
res ? errno : res,
@@ -122,7 +123,7 @@ int main(int argc, char *argv[])
*shared_data = 0;
waitv[i].uaddr = (uintptr_t)shared_data;
- waitv[i].flags = FUTEX_32;
+ waitv[i].flags = FUTEX2_SIZE_U32;
waitv[i].val = 0;
waitv[i].__reserved = 0;
}
@@ -145,8 +146,8 @@ int main(int argc, char *argv[])
for (i = 0; i < NR_FUTEXES; i++)
shmdt(u64_to_ptr(waitv[i].uaddr));
- /* Testing a waiter without FUTEX_32 flag */
- waitv[0].flags = FUTEX_PRIVATE_FLAG;
+ /* Testing a waiter without FUTEX2_SIZE_U32 flag */
+ waitv[0].flags = FUTEX2_PRIVATE;
if (clock_gettime(CLOCK_MONOTONIC, &to))
error("gettime64 failed\n", errno);
@@ -160,11 +161,11 @@ int main(int argc, char *argv[])
res ? strerror(errno) : "");
ret = RET_FAIL;
} else {
- ksft_test_result_pass("futex_waitv without FUTEX_32\n");
+ ksft_test_result_pass("futex_waitv without FUTEX2_SIZE_U32\n");
}
/* Testing a waiter with an unaligned address */
- waitv[0].flags = FUTEX_PRIVATE_FLAG | FUTEX_32;
+ waitv[0].flags = FUTEX2_PRIVATE | FUTEX2_SIZE_U32;
waitv[0].uaddr = 1;
if (clock_gettime(CLOCK_MONOTONIC, &to))
--- a/tools/testing/selftests/futex/functional/run.sh
+++ b/tools/testing/selftests/futex/functional/run.sh
@@ -76,9 +76,15 @@ echo
echo
./futex_wait $COLOR
+echo
+./futex_wait -n $COLOR
echo
./futex_requeue $COLOR
+echo
+./futex_requeue -n $COLOR
+echo
+./futex_requeue -x $COLOR
echo
./futex_waitv $COLOR
--- a/tools/testing/selftests/futex/include/futex2test.h
+++ b/tools/testing/selftests/futex/include/futex2test.h
@@ -8,6 +8,41 @@
#define u64_to_ptr(x) ((void *)(uintptr_t)(x))
+#ifndef __NR_futex_waitv
+#define __NR_futex_waitv 449
+
+struct futex_waitv {
+ __u64 val;
+ __u64 uaddr;
+ __u32 flags;
+ __u32 __reserved;
+};
+#endif
+
+#ifndef __NR_futex_wake
+#define __NR_futex_wake 454
+#define __NR_futex_wait 455
+#define __NR_futex_requeue 456
+#endif
+
+#ifndef FUTEX2_SIZE_U8
+/*
+ * Flags for futex2 syscalls.
+ */
+#define FUTEX2_SIZE_U8 0x00
+#define FUTEX2_SIZE_U16 0x01
+#define FUTEX2_SIZE_U32 0x02
+#define FUTEX2_SIZE_U64 0x03
+#define FUTEX2_NUMA 0x04
+ /* 0x08 */
+ /* 0x10 */
+ /* 0x20 */
+ /* 0x40 */
+#define FUTEX2_PRIVATE FUTEX_PRIVATE_FLAG
+#endif
+
+#define FUTEX_NO_NODE (-1)
+
/**
* futex_waitv - Wait at multiple futexes, wake on any
* @waiters: Array of waiters
@@ -20,3 +55,20 @@ static inline int futex_waitv(volatile s
{
return syscall(__NR_futex_waitv, waiters, nr_waiters, flags, timo, clockid);
}
+
+static inline int futex2_wake(volatile void *uaddr, unsigned long mask, int nr, unsigned int flags)
+{
+ return syscall(__NR_futex_wake, uaddr, mask, nr, flags);
+}
+
+static inline int futex2_wait(volatile void *uaddr, unsigned long val, unsigned long mask,
+ unsigned int flags, struct timespec *timo, clockid_t clockid)
+{
+ return syscall(__NR_futex_wait, uaddr, val, mask, flags, timo, clockid);
+}
+
+static inline int futex2_requeue(struct futex_waitv *futexes, unsigned int flags,
+ int nr_wake, int nr_requeue)
+{
+ return syscall(__NR_futex_requeue, futexes, flags, nr_wake, nr_requeue);
+}
next prev parent reply other threads:[~2023-09-22 20:59 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-21 10:45 [PATCH v3 00/15] futex: More futex2 bits peterz
2023-09-21 10:45 ` [PATCH v3 01/15] futex: Clarify FUTEX2 flags peterz
2023-09-21 17:36 ` [tip: locking/core] " tip-bot2 for peterz@infradead.org
2023-09-21 10:45 ` [PATCH v3 02/15] futex: Extend the " peterz
2023-09-21 17:36 ` [tip: locking/core] " tip-bot2 for peterz@infradead.org
2023-09-21 10:45 ` [PATCH v3 03/15] futex: Flag conversion peterz
2023-09-21 17:36 ` [tip: locking/core] " tip-bot2 for peterz@infradead.org
2023-09-21 10:45 ` [PATCH v3 04/15] futex: Validate futex value against futex size peterz
2023-09-21 17:36 ` [tip: locking/core] " tip-bot2 for peterz@infradead.org
2023-09-21 10:45 ` [PATCH v3 05/15] futex: Add sys_futex_wake() peterz
2023-09-21 17:36 ` [tip: locking/core] " tip-bot2 for peterz@infradead.org
2023-09-21 10:45 ` [PATCH v3 06/15] futex: FLAGS_STRICT peterz
2023-09-21 15:14 ` Thomas Gleixner
2023-09-21 17:36 ` [tip: locking/core] " tip-bot2 for peterz@infradead.org
2023-09-21 10:45 ` [PATCH v3 07/15] futex: Add sys_futex_wait() peterz
2023-09-21 17:36 ` [tip: locking/core] " tip-bot2 for peterz@infradead.org
2023-09-21 10:45 ` [PATCH v3 08/15] futex: Propagate flags into get_futex_key() peterz
2023-09-21 17:36 ` [tip: locking/core] " tip-bot2 for peterz@infradead.org
2023-09-21 10:45 ` [PATCH v3 09/15] futex: Add flags2 argument to futex_requeue() peterz
2023-09-21 17:36 ` [tip: locking/core] " tip-bot2 for peterz@infradead.org
2023-09-21 10:45 ` [PATCH v3 10/15] futex: Add sys_futex_requeue() peterz
2023-09-21 17:35 ` [tip: locking/core] " tip-bot2 for peterz@infradead.org
2023-09-22 9:35 ` [PATCH v3 10/15] " Ingo Molnar
2023-09-22 11:03 ` Peter Zijlstra
2023-09-22 13:56 ` Jens Axboe
2023-09-21 10:45 ` [PATCH v3 11/15] mm: Add vmalloc_huge_node() peterz
2023-09-21 10:45 ` [PATCH v3 12/15] futex: Implement FUTEX2_NUMA peterz
2023-09-21 10:45 ` [PATCH v3 13/15] futex: Propagate flags into futex_get_value_locked() peterz
2023-09-21 10:45 ` [PATCH v3 14/15] futex: Enable FUTEX2_{8,16} peterz
2023-09-21 10:45 ` [PATCH v3 15/15] futex,selftests: Extend the futex selftests peterz
2023-09-21 11:41 ` Peter Zijlstra
2023-09-22 20:01 ` futex2 numa stuff Peter Zijlstra
2023-09-22 20:01 ` Peter Zijlstra [this message]
2023-09-22 20:01 ` [PATCH 16/15] futex,selftests: Extend the futex selftests for NUMA Peter Zijlstra
2023-09-22 20:01 ` [PATCH 17/15] [HACK] futex: Force futex hash collision Peter Zijlstra
2023-09-28 13:40 ` futex2 numa stuff Davidlohr Bueso
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230922205449.808782861@infradead.org \
--to=peterz@infradead.org \
--cc=akpm@linux-foundation.org \
--cc=andrealmeid@igalia.com \
--cc=andrei.artemev@intel.com \
--cc=arnd@arndb.de \
--cc=axboe@kernel.dk \
--cc=dave@stgolabs.net \
--cc=dvhart@infradead.org \
--cc=hch@infradead.org \
--cc=linux-api@vger.kernel.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lstoakes@gmail.com \
--cc=malteskarupke@web.de \
--cc=marko.makela@mariadb.com \
--cc=mingo@redhat.com \
--cc=steve.shaw@intel.com \
--cc=tglx@linutronix.de \
--cc=urezki@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.