From: "H. Peter Anvin" <hpa@zytor.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
"Eugenio Pérez" <eperezma@redhat.com>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Alexei Starovoitov" <ast@kernel.org>,
"Alexey Dobriyan" <adobriyan@gmail.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Andrii Nakryiko" <andrii@kernel.org>,
"Arnd Bergmann" <arnd@kernel.org>,
"Borislav Petkov" <bp@alien8.de>,
"Dan Williams" <dan.j.williams@intel.com>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"David Laight" <David.Laight@ACULAB.COM>,
"David Lechner" <dlechner@baylibre.com>,
"Dinh Nguyen" <dinguyen@kernel.org>,
"Eduard Zingerman" <eddyz87@gmail.com>,
"Gatlin Newhouse" <gatlin.newhouse@gmail.com>,
"Hao Luo" <haoluo@google.com>, "Ingo Molnar" <mingo@redhat.com>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
"Jakub Sitnicki" <jakub@cloudflare.com>,
"Jan Hendrik Farr" <kernel@jfarr.cc>,
"Jason Wang" <jasowang@redhat.com>,
"Jiri Olsa" <jolsa@kernel.org>,
"John Fastabend" <john.fastabend@gmail.com>,
"Jonathan Cameron" <Jonathan.Cameron@huawei.com>,
"Josh Poimboeuf" <jpoimboe@kernel.org>,
"KP Singh" <kpsingh@kernel.org>, "Kees Cook" <kees@kernel.org>,
"Luc Van Oostenryck" <luc.vanoostenryck@gmail.com>,
"Marc Herbert" <Marc.Herbert@linux.intel.com>,
"Martin KaFai Lau" <martin.lau@linux.dev>,
"Mateusz Guzik" <mjguzik@gmail.com>,
"Michal Luczaj" <mhal@rbox.co>, "Miguel Ojeda" <ojeda@kernel.org>,
"Mykola Lysenko" <mykolal@fb.com>, NeilBrown <neil@brown.name>,
"Peter Zijlstra" <peterz@infradead.org>,
"Przemek Kitszel" <przemyslaw.kitszel@intel.com>,
"Sami Tolvanen" <samitolvanen@google.com>,
"Shuah Khan" <shuah@kernel.org>, "Song Liu" <song@kernel.org>,
"Stanislav Fomichev" <sdf@fomichev.me>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Thorsten Blum" <thorsten.blum@linux.dev>,
"Uros Bizjak" <ubizjak@gmail.com>,
"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
"Yafang Shao" <laoar.shao@gmail.com>,
"Ye Bin" <yebin10@huawei.com>,
"Yonghong Song" <yonghong.song@linux.dev>,
"Yufeng Wang" <wangyufeng@kylinos.cn>,
bpf@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-sparse@vger.kernel.org, virtualization@lists.linux.dev,
x86@kernel.org
Subject: [PATCH v2 2/7] include/linux: change "__auto_type" to "auto"
Date: Sat, 19 Jul 2025 23:50:39 -0700 [thread overview]
Message-ID: <20250720065045.2859105-3-hpa@zytor.com> (raw)
In-Reply-To: <20250720065045.2859105-1-hpa@zytor.com>
Replace instances of "__auto_type" with "auto" in include/linux.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
---
include/linux/cleanup.h | 6 +++---
include/linux/compiler.h | 2 +-
include/linux/minmax.h | 6 +++---
3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/include/linux/cleanup.h b/include/linux/cleanup.h
index 7093e1d08af0..c7f3031ae400 100644
--- a/include/linux/cleanup.h
+++ b/include/linux/cleanup.h
@@ -199,10 +199,10 @@
#define __free(_name) __cleanup(__free_##_name)
-#define __get_and_null(p, nullvalue) \
+#define __get_and_null(p, nullvalue) \
({ \
- __auto_type __ptr = &(p); \
- __auto_type __val = *__ptr; \
+ auto __ptr = &(p); \
+ auto __val = *__ptr; \
*__ptr = nullvalue; \
__val; \
})
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 6f04a1d8c720..7fef5cd41dfc 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -186,7 +186,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
#define data_race(expr) \
({ \
__kcsan_disable_current(); \
- __auto_type __v = (expr); \
+ auto __v = (expr); \
__kcsan_enable_current(); \
__v; \
})
diff --git a/include/linux/minmax.h b/include/linux/minmax.h
index eaaf5c008e4d..a0158db54a04 100644
--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -89,7 +89,7 @@
__cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
#define __careful_cmp_once(op, x, y, ux, uy) ({ \
- __auto_type ux = (x); __auto_type uy = (y); \
+ auto ux = (x); auto uy = (y); \
BUILD_BUG_ON_MSG(!__types_ok(ux, uy), \
#op"("#x", "#y") signedness error"); \
__cmp(op, ux, uy); })
@@ -129,7 +129,7 @@
__careful_cmp(max, (x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull)
#define __careful_op3(op, x, y, z, ux, uy, uz) ({ \
- __auto_type ux = (x); __auto_type uy = (y);__auto_type uz = (z);\
+ auto ux = (x); auto uy = (y); auto uz = (z); \
BUILD_BUG_ON_MSG(!__types_ok3(ux, uy, uz), \
#op"3("#x", "#y", "#z") signedness error"); \
__cmp(op, ux, __cmp(op, uy, uz)); })
@@ -203,7 +203,7 @@
* This macro checks @val/@lo/@hi to make sure they have compatible
* signedness.
*/
-#define clamp(val, lo, hi) __careful_clamp(__auto_type, val, lo, hi)
+#define clamp(val, lo, hi) __careful_clamp(auto, val, lo, hi)
/**
* clamp_t - return a value clamped to a given range using a given type
--
2.50.1
next prev parent reply other threads:[~2025-07-20 6:53 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-20 6:50 [PATCH v2 0/7] Replace "__auto_type" with "auto" H. Peter Anvin
2025-07-20 6:50 ` [PATCH v2 1/7] compiler_types.h: add "auto" as a macro for "__auto_type" H. Peter Anvin
2025-07-20 16:36 ` Miguel Ojeda
2025-07-20 6:50 ` H. Peter Anvin [this message]
2025-07-20 6:50 ` [PATCH v2 3/7] fs/proc: replace "__auto_type" with "const auto" H. Peter Anvin
2025-07-20 6:58 ` [PATCH v2.1 " H. Peter Anvin
2025-07-20 6:50 ` [PATCH v2 4/7] arch/nios2: replace "__auto_type" and adjacent equivalent with "auto" H. Peter Anvin
2025-07-22 16:40 ` Dinh Nguyen
2025-07-20 6:50 ` [PATCH v2 5/7] arch/x86: replace "__auto_type" " H. Peter Anvin
2025-07-20 6:50 ` [PATCH v2 6/7] selftests/bpf: " H. Peter Anvin
2025-07-21 22:13 ` Eduard Zingerman
2025-07-20 6:50 ` [PATCH v2 7/7] tools/virtio: " H. Peter Anvin
2025-07-20 18:07 ` [PATCH v2 0/7] Replace " Kees Cook
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