Re: [PATCH v2 09/18] mips: use simpler access_ok()
From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Date: 2022-02-23 07:41:56
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linux-alpha, linux-api, linux-arch, linux-m68k, linux-mips, linux-mm, linux-riscv, linux-s390, linux-sh, linux-um, lkml, sparclinux
On Wed, Feb 16, 2022 at 02:13:23PM +0100, Arnd Bergmann wrote:
quoted hunk ↗ jump to hunk
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index db9a8e002b62..d7c89dc3426c 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h@@ -19,6 +19,7 @@ #ifdef CONFIG_32BIT #define __UA_LIMIT 0x80000000UL +#define TASK_SIZE_MAX __UA_LIMIT
using KSEG0 instead would IMHO be the better choice. This gives the chance to remove __UA_LIMIT completly after cleaning up ptrace.c Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]