linux-kernel - [PATCH v12 01/17] riscv: Rename __switch_to

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]

Date:   Wed, 21 Sep 2022 14:43:43 -0700
From:   Chris Stillson <stillson@...osinc.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Guo Ren <ren_guo@...ky.com>, Guo Ren <guoren@...ux.alibaba.com>,
        Greentime Hu <greentime.hu@...ive.com>,
        Anup Patel <anup@...infault.org>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Eric Biederman <ebiederm@...ssion.com>,
        Kees Cook <keescook@...omium.org>,
        Atish Patra <atishp@...shpatra.org>,
        Oleg Nesterov <oleg@...hat.com>, Guo Ren <guoren@...nel.org>,
        Heinrich Schuchardt <heinrich.schuchardt@...onical.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>,
        Chris Stillson <stillson@...osinc.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Alexandre Ghiti <alexandre.ghiti@...onical.com>,
        Arnd Bergmann <arnd@...db.de>,
        Vincent Chen <vincent.chen@...ive.com>,
        Heiko Stuebner <heiko@...ech.de>, Dao Lu <daolu@...osinc.com>,
        Jisheng Zhang <jszhang@...nel.org>,
        Sunil V L <sunilvl@...tanamicro.com>,
        Nick Knight <nick.knight@...ive.com>,
        Han-Kuan Chen <hankuan.chen@...ive.com>,
        Changbin Du <changbin.du@...el.com>,
        Li Zhengyu <lizhengyu3@...wei.com>,
        Alexander Graf <graf@...zon.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Tsukasa OI <research_trasio@....a4lg.com>,
        Yury Norov <yury.norov@...il.com>,
        Nicolas Saenz Julienne <nsaenzju@...hat.com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Vitaly Wool <vitaly.wool@...sulko.com>,
        Myrtle Shah <gatecat@....me>,
        Ruinland Tsai <ruinland.tsai@...ive.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Mark Brown <broonie@...nel.org>, Will Deacon <will@...nel.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        Janosch Frank <frankja@...ux.ibm.com>,
        Christian Brauner <brauner@...nel.org>,
        Eugene Syromiatnikov <esyr@...hat.com>,
        Peter Collingbourne <pcc@...gle.com>,
        Colin Cross <ccross@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Barret Rhoden <brho@...gle.com>,
        Davidlohr Bueso <dave@...olabs.net>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, kvm@...r.kernel.org,
        kvm-riscv@...ts.infradead.org
Subject: [PATCH v12 01/17] riscv: Rename __switch_to_aux -> fpu

From: Guo Ren <ren_guo@...ky.com>

The name of __switch_to_aux is not clear and rename it with the
determine function: __switch_to_fpu. Next we could add other regs'
switch.

Signed-off-by: Guo Ren <ren_guo@...ky.com>
Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
Signed-off-by: Greentime Hu <greentime.hu@...ive.com>
Reviewed-by: Anup Patel <anup@...infault.org>
Reviewed-by: Palmer Dabbelt <palmer@...osinc.com>
---
 arch/riscv/include/asm/switch_to.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/riscv/include/asm/switch_to.h b/arch/riscv/include/asm/switch_to.h
index 11463489fec6..df1aa589b7fd 100644
--- a/arch/riscv/include/asm/switch_to.h
+++ b/arch/riscv/include/asm/switch_to.h
@@ -46,7 +46,7 @@ static inline void fstate_restore(struct task_struct *task,
 	}
 }
 
-static inline void __switch_to_aux(struct task_struct *prev,
+static inline void __switch_to_fpu(struct task_struct *prev,
 				   struct task_struct *next)
 {
 	struct pt_regs *regs;
@@ -65,7 +65,7 @@ static __always_inline bool has_fpu(void)
 static __always_inline bool has_fpu(void) { return false; }
 #define fstate_save(task, regs) do { } while (0)
 #define fstate_restore(task, regs) do { } while (0)
-#define __switch_to_aux(__prev, __next) do { } while (0)
+#define __switch_to_fpu(__prev, __next) do { } while (0)
 #endif
 
 extern struct task_struct *__switch_to(struct task_struct *,
@@ -76,7 +76,7 @@ do {							\
 	struct task_struct *__prev = (prev);		\
 	struct task_struct *__next = (next);		\
 	if (has_fpu())					\
-		__switch_to_aux(__prev, __next);	\
+		__switch_to_fpu(__prev, __next);	\
 	((last) = __switch_to(__prev, __next));		\
 } while (0)
 
-- 
2.25.1