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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-29 10:10:05 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-29 10:10:05 +0200
commit17eb8812917b10ce4146b5595f91d8e45bfe68cc (patch)
treef905aa6c71212f4b460e23ceaec98346b999066a /tools/include/linux/args.h
parent57610d69f909ea2ea072775c6ad64ba9fad590bb (diff)
parent23199d2aa6dcaf6dd2da772f93d2c94317d71459 (diff)
Merge tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Merge cpupower utility updates for 6.18-rc1 from Shuah Khan: "Fixes incorrect return vale in cpupower_write_sysfs() error path and passing incorrect size to cpuidle_state_write_file() while writing status to disable file in cpuidle_state_disable()." * tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: (1125 commits) tools/cpupower: Fix incorrect size in cpuidle_state_disable() tools/cpupower: fix error return value in cpupower_write_sysfs() Linux 6.17-rc6 MAINTAINERS: Input: Drop melfas-mip4 section USB: core: remove the move buf action MAINTAINERS: Update the DMA Rust entry erofs: fix long xattr name prefix placement Revert "net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups" hsr: hold rcu and dev lock for hsr_get_port_ndev hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr hsr: use rtnl lock when iterating over ports wifi: nl80211: completely disable per-link stats for now net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups net: ethtool: fix wrong type used in struct kernel_ethtool_ts_info selftests/bpf: Skip timer cases when bpf_timer is not supported bpf: Reject bpf_timer for PREEMPT_RT libceph: fix invalid accesses to ceph_connection_v1_info PM: hibernate: Restrict GFP mask in hibernation_snapshot() MAINTAINERS: add Phil as netfilter reviewer netfilter: nf_tables: restart set lookup on base_seq change ...
Diffstat (limited to 'tools/include/linux/args.h')
-rw-r--r--tools/include/linux/args.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/tools/include/linux/args.h b/tools/include/linux/args.h
new file mode 100644
index 000000000000..2e8e65d975c7
--- /dev/null
+++ b/tools/include/linux/args.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _LINUX_ARGS_H
+#define _LINUX_ARGS_H
+
+/*
+ * How do these macros work?
+ *
+ * In __COUNT_ARGS() _0 to _12 are just placeholders from the start
+ * in order to make sure _n is positioned over the correct number
+ * from 12 to 0 (depending on X, which is a variadic argument list).
+ * They serve no purpose other than occupying a position. Since each
+ * macro parameter must have a distinct identifier, those identifiers
+ * are as good as any.
+ *
+ * In COUNT_ARGS() we use actual integers, so __COUNT_ARGS() returns
+ * that as _n.
+ */
+
+/* This counts to 15. Any more, it will return 16th argument. */
+#define __COUNT_ARGS(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _n, X...) _n
+#define COUNT_ARGS(X...) __COUNT_ARGS(, ##X, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
+
+/* Concatenate two parameters, but allow them to be expanded beforehand. */
+#define __CONCAT(a, b) a ## b
+#define CONCATENATE(a, b) __CONCAT(a, b)
+
+#endif /* _LINUX_ARGS_H */