linux-kernel - [PATCH] asm-generic: Add sched.h inclusion in simd.h

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250530041658.909576-1-chenhuacai@loongson.cn>
Date: Fri, 30 May 2025 12:16:58 +0800
From: Huacai Chen <chenhuacai@...ngson.cn>
To: Arnd Bergmann <arnd@...db.de>,
	Huacai Chen <chenhuacai@...il.com>,
	Herbert Xu <herbert@...dor.apana.org.au>
Cc: linux-arch@...r.kernel.org,
	Ard Biesheuvel <ardb@...nel.org>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Biggers <ebiggers@...nel.org>,
	linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Huacai Chen <chenhuacai@...ngson.cn>
Subject: [PATCH] asm-generic: Add sched.h inclusion in simd.h

Commit 7ba8df47810f073 ("asm-generic: Make simd.h more resilient")
causes a build error for PREEMPT_RT kernels:

  CC      lib/crypto/sha256.o
In file included from ./include/asm-generic/simd.h:6,
                 from ./arch/loongarch/include/generated/asm/simd.h:1,
                 from ./include/crypto/internal/simd.h:9,
                 from ./include/crypto/internal/sha2.h:6,
                 from lib/crypto/sha256.c:15:
./include/asm-generic/simd.h: In function 'may_use_simd':
./include/linux/preempt.h:111:34: error: 'current' undeclared (first use in this function)
  111 | # define softirq_count()        (current->softirq_disable_cnt & SOFTIRQ_MASK)
      |                                  ^~~~~~~
./include/linux/preempt.h:112:82: note: in expansion of macro 'softirq_count'
  112 | # define irq_count()            ((preempt_count() & (NMI_MASK | HARDIRQ_MASK)) | softirq_count())
      |                                                                                  ^~~~~~~~~~~~~
./include/linux/preempt.h:143:34: note: in expansion of macro 'irq_count'
  143 | #define in_interrupt()          (irq_count())
      |                                  ^~~~~~~~~
./include/asm-generic/simd.h:18:17: note: in expansion of macro 'in_interrupt'
   18 |         return !in_interrupt();
      |                 ^~~~~~~~~~~~

So add sched.h inclusion in simd.h to fix it.

Fixes: 7ba8df47810f073 ("asm-generic: Make simd.h more resilient")
Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>
---
 include/asm-generic/simd.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/asm-generic/simd.h b/include/asm-generic/simd.h
index ac29a22eb7cf..70c8716ad32a 100644
--- a/include/asm-generic/simd.h
+++ b/include/asm-generic/simd.h
@@ -4,6 +4,7 @@
 
 #include <linux/compiler_attributes.h>
 #include <linux/preempt.h>
+#include <linux/sched.h>
 #include <linux/types.h>
 
 /*
-- 
2.47.1