[01/17] riscv: Rename __switch_to_aux -> fpu

Message ID	CAM2SziVzGC6gx9wi50TVmREggeaa01AUBTk3sAUmV1SVwjEwPA@mail.gmail.com (mailing list archive)
State	Superseded
Headers	show Return-Path: <linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org> MIME-Version: 1.0 From: Chris Stillson <stillson@rivosinc.com> Date: Wed, 21 Sep 2022 09:45:38 -0700 Message-ID: <CAM2SziVzGC6gx9wi50TVmREggeaa01AUBTk3sAUmV1SVwjEwPA@mail.gmail.com> Subject: [PATCH 01/17] riscv: Rename __switch_to_aux -> fpu To: linux-riscv@lists.infradead.org Cc: palmer@dabbelt.com Precedence: list Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" <linux-riscv-bounces@lists.infradead.org> Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org
Series	Prctl to enable vector commands, previous vector patches rebased \| expand [00/17] Prctl to enable vector commands, previous vector patches rebased [01/17] riscv: Rename __switch_to_aux -> fpu [02/17] riscv: Extending cpufeature.c to detect V-extension [03/17] riscv: Add new csr defines related to vector extension [04/17] riscv: Add vector feature to compile [05/17] riscv: Add has_vector/riscv_vsize to save vector features. [06/17] riscv: Reset vector register [07/17] riscv: Add vector struct and assembler definitions [08/17] riscv: Add task switch support for vector [09/17] riscv: Add ptrace vector support [10/17] riscv: Add sigcontext save/restore for vector [11/17] riscv: signal: Report signal frame size to userspace via auxv [12/17] riscv: Add support for kernel mode vector [13/17] riscv: Add vector extension XOR implementation [14/17] riscv: Fix a kernel panic issue if $s2 is set to a specific value before entering Linux [15/17] riscv: Add V extension to KVM ISA allow list [16/17] riscv: KVM: Add vector lazy save/restore support [17/17] riscv: prctl to enable vector commands

Message ID

CAM2SziVzGC6gx9wi50TVmREggeaa01AUBTk3sAUmV1SVwjEwPA@mail.gmail.com (mailing list archive)

State

Superseded

Headers

MIME-Version: 1.0
From: Chris Stillson <stillson@rivosinc.com>
Date: Wed, 21 Sep 2022 09:45:38 -0700
Message-ID: 
 <CAM2SziVzGC6gx9wi50TVmREggeaa01AUBTk3sAUmV1SVwjEwPA@mail.gmail.com>
Subject: [PATCH 01/17] riscv: Rename __switch_to_aux -> fpu
To: linux-riscv@lists.infradead.org
Cc: palmer@dabbelt.com
Precedence: list
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: "linux-riscv" <linux-riscv-bounces@lists.infradead.org>
Errors-To: 
 linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org

Series

Prctl to enable vector commands, previous vector patches rebased | expand

Commit Message

Chris Stillson Sept. 21, 2022, 4:45 p.m. UTC

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@c-sky.com>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Greentime Hu <greentime.hu@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
---
 arch/riscv/include/asm/switch_to.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--
2.25.1

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)

[01/17] riscv: Rename __switch_to_aux -> fpu

Commit Message

Patch