[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] linux-user/arm/signal.c: Drop TARGET_CONFIG_CPU_32
From: |
Richard Henderson |
Subject: |
Re: [PATCH] linux-user/arm/signal.c: Drop TARGET_CONFIG_CPU_32 |
Date: |
Tue, 19 May 2020 08:02:18 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 |
On 5/18/20 7:30 AM, Peter Maydell wrote:
> The Arm signal-handling code has some parts ifdeffed with a
> TARGET_CONFIG_CPU_32, which is always defined. This is a leftover
> from when this code's structure was based on the Linux kernel
> signal handling code, where it was intended to support 26-bit
> Arm CPUs. The kernel dropped its CONFIG_CPU_32 in kernel commit
> 4da8b8208eded0ba21e3 in 2009.
>
> QEMU has never had 26-bit CPU support and is unlikely to ever
> add it; we certainly aren't going to support 26-bit Linux
> binaries via linux-user mode. The ifdef is just unhelpful
> noise, so remove it entirely.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> Based-on: <address@hidden>
> ("[PATCH v2] target/arm: Allow user-mode code to write CPSR.E via MSR")
> to avoid a textual conflict.
>
> linux-user/arm/signal.c | 6 ------
> 1 file changed, 6 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~