From: Akira Tsukamoto <akira.tsukamoto@gmail.com>
To: Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Guenter Roeck <linux@roeck-us.net>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Albert Ou <aou@eecs.berkeley.edu>,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 3/4] riscv: __asm_copy_to-from_user: Remove unnecessary size check
Date: Tue, 20 Jul 2021 17:52:36 +0900 [thread overview]
Message-ID: <94d4ec76-a987-348e-71ce-473511d44787@gmail.com> (raw)
In-Reply-To: <37097718-c472-025a-2058-55667badc5b9@gmail.com>
Clean up:
The size of 0 will be evaluated in the next step. Not
required here.
Signed-off-by: Akira Tsukamoto <akira.tsukamoto@gmail.com>
---
arch/riscv/lib/uaccess.S | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/riscv/lib/uaccess.S b/arch/riscv/lib/uaccess.S
index 279876821969..54d497a03164 100644
--- a/arch/riscv/lib/uaccess.S
+++ b/arch/riscv/lib/uaccess.S
@@ -30,7 +30,6 @@ ENTRY(__asm_copy_from_user)
* t0 - end of uncopied dst
*/
add t0, a0, a2
- bgtu a0, t0, 5f
/*
* Use byte copy only if too small.
--
2.17.1
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next prev parent reply other threads:[~2021-07-20 8:52 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-20 8:49 [PATCH 0/4] __asm_copy_to-from_user: Fixes Akira Tsukamoto
2021-07-20 8:50 ` [PATCH 1/4] riscv: __asm_copy_to-from_user: Fix: overrun copy Akira Tsukamoto
2021-07-20 8:51 ` [PATCH 2/4] riscv: __asm_copy_to-from_user: Fix: fail on RV32 Akira Tsukamoto
2021-07-20 9:49 ` Geert Uytterhoeven
2021-07-20 10:18 ` Akira Tsukamoto
2021-07-20 8:52 ` Akira Tsukamoto [this message]
2021-07-20 8:53 ` [PATCH 4/4] riscv: __asm_copy_to-from_user: Fix: Typos in comments Akira Tsukamoto
2021-07-20 9:31 ` [PATCH 0/4] __asm_copy_to-from_user: Fixes Geert Uytterhoeven
2021-07-20 14:19 ` Guenter Roeck
2021-07-21 1:12 ` Qiu Wenbo
2021-07-24 0:58 ` Palmer Dabbelt
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