lkml.org 
[lkml]   [2023]   [Jan]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH -next V14 4/7] riscv: entry: Convert to generic entry
Hey Guo Ren,

On Thu, Jan 12, 2023 at 04:58:45AM -0500, guoren@kernel.org wrote:
> From: Guo Ren <guoren@linux.alibaba.com>
>
> This patch converts riscv to use the generic entry infrastructure from
> kernel/entry/*. The generic entry makes maintainers' work easier and
> codes more elegant. Here are the changes:
>
> - More clear entry.S with handle_exception and ret_from_exception
> - Get rid of complex custom signal implementation
> - Move syscall procedure from assembly to C, which is much more
> readable.
> - Connect ret_from_fork & ret_from_kernel_thread to generic entry.
> - Wrap with irqentry_enter/exit and syscall_enter/exit_from_user_mode
> - Use the standard preemption code instead of custom
>
> Suggested-by: Huacai Chen <chenhuacai@kernel.org>
> Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
> Tested-by: Yipeng Zou <zouyipeng@huawei.com>
> Tested-by: Jisheng Zhang <jszhang@kernel.org>
> Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
> Signed-off-by: Guo Ren <guoren@kernel.org>
> Cc: Ben Hutchings <ben@decadent.org.uk>

Unfortunately from this patch onwards, the !MMU build is broken.
Should be able to reproduce it with nommu_virt_defconfig.

Thanks,
Conor.

[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2023-03-26 23:39    [W:0.066 / U:0.244 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site