From: Ian Rogers <irogers@google.com>
To: Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@kernel.org>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Stefan Kerkmann <s.kerkmann@pengutronix.de>,
Marc Kleine-Budde <mkl@pengutronix.de>,
Arnd Bergmann <arnd@arndb.de>,
Christophe Leroy <chleroy@kernel.org>,
David Laight <david.laight.linux@gmail.com>,
Helge Deller <deller@gmx.de>,
"James E . J . Bottomley"
<James.Bottomley@HansenPartnership.com>,
"Jason A . Donenfeld" <Jason@zx2c4.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Eric Biggers <ebiggers@google.com>,
linux-kernel@vger.kernel.org, linux-parisc@vger.kernel.org,
Ian Rogers <irogers@google.com>
Subject: [PATCH v2 2/2] tools headers: Update the vdso/unaligned.h copy with the kernel sources
Date: Tue, 20 Oct 2026 09:32:10 -0700 [thread overview]
Message-ID: <20261020163210.742728-2-irogers@google.com> (raw)
In-Reply-To: <20261020163210.742728-1-irogers@google.com>
To pick up the changes in:
vdso: Add VDSO_UNALIGNED_PACKED config option
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/include/vdso/unaligned.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/tools/include/vdso/unaligned.h b/tools/include/vdso/unaligned.h
index 9076483c9fbb..726fd15efc82 100644
--- a/tools/include/vdso/unaligned.h
+++ b/tools/include/vdso/unaligned.h
@@ -4,6 +4,20 @@
#include <linux/compiler_types.h>
+#ifdef CONFIG_VDSO_UNALIGNED_PACKED
+
+#define __get_unaligned_t(type, ptr) ({ \
+ const struct { type x; } __packed * __get_pptr = (typeof(__get_pptr))(ptr); \
+ __get_pptr->x; \
+})
+
+#define __put_unaligned_t(type, val, ptr) do { \
+ struct { type x; } __packed * __put_pptr = (typeof(__put_pptr))(ptr); \
+ __put_pptr->x = (val); \
+} while (0)
+
+#else /* !CONFIG_VDSO_UNALIGNED_PACKED */
+
/**
* __get_unaligned_t - read an unaligned value from memory.
* @type: the type to load from the pointer.
@@ -41,4 +55,6 @@
sizeof(__put_unaligned_val)); \
} while (0)
+#endif /* CONFIG_VDSO_UNALIGNED_PACKED */
+
#endif /* __VDSO_UNALIGNED_H */
--
2.56.0.212.g129ede20d9-goog
next prev parent reply other threads:[~2026-10-20 16:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-20 16:32 [PATCH v2 1/2] vdso: Add VDSO_UNALIGNED_PACKED config option Ian Rogers
2026-10-20 16:32 ` Ian Rogers [this message]
2026-10-20 18:07 ` David Laight
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