From: Daniel Jacobowitz Date: Thu, 29 Sep 2005 23:17:35 +0000 (+0100) Subject: [ARM] 2941/1: Fix running legacy binaries from a soft-float root filesystem with... X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=dce79affd5d04e9cbabe35016eda55213b9b36f6;p=openwrt%2Fstaging%2Fblogic.git [ARM] 2941/1: Fix running legacy binaries from a soft-float root filesystem with CONFIG_IWMMXT. Patch from Daniel Jacobowitz Thread flags are inherited on fork(). In order for a binary which has the iWMMXt coprocessor enabled to run a binary which needs the FPA emulation, we need to explicitly clear TIF_USING_IWMMXT if we are not going to set it. Signed-off-by: Daniel Jacobowitz Signed-off-by: Russell King --- diff --git a/include/asm-arm/elf.h b/include/asm-arm/elf.h index a1696ba238d3..7da97a937548 100644 --- a/include/asm-arm/elf.h +++ b/include/asm-arm/elf.h @@ -124,6 +124,8 @@ do { \ if (((ex).e_flags & EF_ARM_EABI_MASK) || \ ((ex).e_flags & EF_ARM_SOFT_FLOAT)) \ set_thread_flag(TIF_USING_IWMMXT); \ + else \ + clear_thread_flag(TIF_USING_IWMMXT); \ } while (0) #endif