From: "tip-bot2 for Peter Zijlstra" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>,
Arnd Bergmann <arnd@arndb.de>,
Herbert Xu <herbert@gondor.apana.org.au>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: locking/core] types: Introduce [us]128
Date: Mon, 22 May 2023 10:27:29 -0000 [thread overview]
Message-ID: <168475124922.404.17464873847581624680.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20230515080554.047618712@infradead.org>
The following commit has been merged into the locking/core branch of tip:
Commit-ID: c8c216a63fe28b247046a15e995688289ce416ad
Gitweb: https://git.kernel.org/tip/c8c216a63fe28b247046a15e995688289ce416ad
Author: Peter Zijlstra <peterz@infradead.org>
AuthorDate: Mon, 15 May 2023 09:57:01 +02:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Mon, 22 May 2023 10:49:49 +02:00
types: Introduce [us]128
Introduce [us]128 (when available). Unlike [us]64, ensure they are
always naturally aligned.
This also enables 128bit wide atomics (which require natural
alignment) such as cmpxchg128().
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Link: https://lore.kernel.org/r/20230515080554.047618712@infradead.org
---
include/linux/types.h | 5 +++++
include/uapi/linux/types.h | 4 ++++
lib/crypto/curve25519-hacl64.c | 2 --
lib/crypto/poly1305-donna64.c | 2 --
4 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/include/linux/types.h b/include/linux/types.h
index 688fb94..becb8cd 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -10,6 +10,11 @@
#define DECLARE_BITMAP(name,bits) \
unsigned long name[BITS_TO_LONGS(bits)]
+#ifdef __SIZEOF_INT128__
+typedef __s128 s128;
+typedef __u128 u128;
+#endif
+
typedef u32 __kernel_dev_t;
typedef __kernel_fd_set fd_set;
diff --git a/include/uapi/linux/types.h b/include/uapi/linux/types.h
index 308433b..6375a06 100644
--- a/include/uapi/linux/types.h
+++ b/include/uapi/linux/types.h
@@ -13,6 +13,10 @@
#include <linux/posix_types.h>
+#ifdef __SIZEOF_INT128__
+typedef __signed__ __int128 __s128 __attribute__((aligned(16)));
+typedef unsigned __int128 __u128 __attribute__((aligned(16)));
+#endif
/*
* Below are truly Linux-specific types that should never collide with
diff --git a/lib/crypto/curve25519-hacl64.c b/lib/crypto/curve25519-hacl64.c
index 771d82d..c40e5d9 100644
--- a/lib/crypto/curve25519-hacl64.c
+++ b/lib/crypto/curve25519-hacl64.c
@@ -14,8 +14,6 @@
#include <crypto/curve25519.h>
#include <linux/string.h>
-typedef __uint128_t u128;
-
static __always_inline u64 u64_eq_mask(u64 a, u64 b)
{
u64 x = a ^ b;
diff --git a/lib/crypto/poly1305-donna64.c b/lib/crypto/poly1305-donna64.c
index d34cf40..988702c 100644
--- a/lib/crypto/poly1305-donna64.c
+++ b/lib/crypto/poly1305-donna64.c
@@ -10,8 +10,6 @@
#include <asm/unaligned.h>
#include <crypto/internal/poly1305.h>
-typedef __uint128_t u128;
-
void poly1305_core_setkey(struct poly1305_core_key *key,
const u8 raw_key[POLY1305_BLOCK_SIZE])
{
next prev parent reply other threads:[~2023-05-22 10:28 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-15 7:56 [PATCH v3 00/11] Introduce cmpxchg128() -- aka. the demise of cmpxchg_double() Peter Zijlstra
2023-05-15 7:57 ` [PATCH v3 01/11] cyrpto/b128ops: Remove struct u128 Peter Zijlstra
2023-05-20 10:49 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2023-05-22 10:27 ` tip-bot2 for Peter Zijlstra
2023-05-15 7:57 ` [PATCH v3 02/11] types: Introduce [us]128 Peter Zijlstra
2023-05-20 10:49 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2023-05-22 10:27 ` tip-bot2 for Peter Zijlstra [this message]
2023-05-15 7:57 ` [PATCH v3 03/11] arch: Introduce arch_{,try_}_cmpxchg128{,_local}() Peter Zijlstra
2023-05-20 10:49 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2023-05-22 10:27 ` tip-bot2 for Peter Zijlstra
2023-05-15 7:57 ` [PATCH v3 04/11] instrumentation: Wire up cmpxchg128() Peter Zijlstra
2023-05-20 10:49 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2023-05-22 10:27 ` tip-bot2 for Peter Zijlstra
2023-05-15 7:57 ` [PATCH v3 05/11] percpu: Wire up cmpxchg128 Peter Zijlstra
2023-05-20 10:49 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2023-05-22 10:27 ` tip-bot2 for Peter Zijlstra
2023-05-25 12:49 ` [PATCH v3 05/11] " Peter Zijlstra
2023-05-25 22:59 ` Petr Tesařík
2023-05-15 7:57 ` [PATCH v3 06/11] x86,amd_iommu: Replace cmpxchg_double() Peter Zijlstra
2023-05-20 10:49 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2023-05-22 10:27 ` tip-bot2 for Peter Zijlstra
2023-05-15 7:57 ` [PATCH v3 07/11] x86,intel_iommu: " Peter Zijlstra
2023-05-20 10:49 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2023-05-22 10:27 ` tip-bot2 for Peter Zijlstra
2023-05-15 7:57 ` [PATCH v3 08/11] slub: " Peter Zijlstra
2023-05-20 10:49 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2023-05-22 10:27 ` tip-bot2 for Peter Zijlstra
2023-05-24 9:32 ` [PATCH v3 08/11] " Peter Zijlstra
2023-05-24 10:13 ` Vlastimil Babka
2023-05-25 10:29 ` Peter Zijlstra
2023-05-25 10:52 ` Arnd Bergmann
2023-05-25 13:10 ` Peter Zijlstra
2023-05-30 14:22 ` Peter Zijlstra
2023-05-30 19:32 ` Peter Zijlstra
2023-05-15 7:57 ` [PATCH v3 09/11] mm/slub: Fold slab_update_freelist() Peter Zijlstra
2023-05-24 11:58 ` Vlastimil Babka
2023-05-15 7:57 ` [PATCH v3 10/11] arch: Remove cmpxchg_double Peter Zijlstra
2023-05-15 8:52 ` Heiko Carstens
2023-05-20 10:49 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2023-05-22 10:27 ` tip-bot2 for Peter Zijlstra
2023-05-15 7:57 ` [PATCH v3 11/11] s390/cpum_sf: Convert to cmpxchg128() Peter Zijlstra
2023-05-20 10:49 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2023-05-22 10:27 ` tip-bot2 for Peter Zijlstra
2023-05-15 9:42 ` [PATCH v3 00/11] Introduce cmpxchg128() -- aka. the demise of cmpxchg_double() Arnd Bergmann
2023-05-24 9:39 ` Peter Zijlstra
-- strict thread matches above, loose matches on Subject: below --
2023-05-31 13:08 [PATCH 02/12] types: Introduce [us]128 Peter Zijlstra
2023-06-05 7:42 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
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