Re: [PATCH 11/14] sparc64: remove CONFIG_SET_FS support
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- To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
- Subject: Re: [PATCH 11/14] sparc64: remove CONFIG_SET_FS support
- From: Arnd Bergmann <arnd@xxxxxxxxxx>
- Date: Wed, 16 Feb 2022 14:06:25 +0100
- Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, linux-arch <linux-arch@xxxxxxxxxxxxxxx>, Linux-MM <linux-mm@xxxxxxxxx>, Linux API <linux-api@xxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Rich Felker <dalias@xxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, Linux-sh list <linux-sh@xxxxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Max Filippov <jcmvbkbc@xxxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, sparclinux <sparclinux@xxxxxxxxxxxxxxx>, "open list:QUALCOMM HEXAGON..." <linux-hexagon@xxxxxxxxxxxxxxx>, linux-riscv <linux-riscv@xxxxxxxxxxxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, linux-s390 <linux-s390@xxxxxxxxxxxxxxx>, Brian Cain <bcain@xxxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, "the arch/x86 maintainers" <x86@xxxxxxxxxx>, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxx>, linux-csky@xxxxxxxxxxxxxxx, Ingo Molnar <mingo@xxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, "open list:SYNOPSYS ARC ARCHITECTURE" <linux-snps-arc@xxxxxxxxxxxxxxxxxxx>, "open list:TENSILICA XTENSA PORT (xtensa)" <linux-xtensa@xxxxxxxxxxxxxxxx>, Heiko Carstens <hca@xxxxxxxxxxxxx>, alpha <linux-alpha@xxxxxxxxxxxxxxx>, linux-um <linux-um@xxxxxxxxxxxxxxxxxxx>, linux-m68k <linux-m68k@xxxxxxxxxxxxxxx>, Openrisc <openrisc@xxxxxxxxxxxxxxxxxxxx>, Greentime Hu <green.hu@xxxxxxxxx>, Stafford Horne <shorne@xxxxxxxxx>, Linux ARM <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, Michal Simek <monstr@xxxxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, Parisc List <linux-parisc@xxxxxxxxxxxxxxx>, Nick Hu <nickhu@xxxxxxxxxxxxx>, "open list:BROADCOM NVRAM DRIVER" <linux-mips@xxxxxxxxxxxxxxx>, Dinh Nguyen <dinguyen@xxxxxxxxxx>, "Eric W . Biederman" <ebiederm@xxxxxxxxxxxx>, Richard Weinberger <richard@xxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linuxppc-dev <linuxppc-dev@xxxxxxxxxxxxxxxx>, David Miller <davem@xxxxxxxxxxxxx>
- In-reply-to: <YgqMLYJs0RMecMck@infradead.org>
- References: <20220214163452.1568807-1-arnd@kernel.org> <20220214163452.1568807-12-arnd@kernel.org> <YgqMLYJs0RMecMck@infradead.org>
On Mon, Feb 14, 2022 at 6:06 PM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
>
> > void prom_world(int enter)
> > {
> > - if (!enter)
> > - set_fs(get_fs());
> > -
> > __asm__ __volatile__("flushw");
> > }
>
> The enter argument is now unused.
Right, good point. I'll add a comment, but I think I will leave that
as this seems
too hard to change the callers in assembly code for this. If any
sparc64 developer
wants to clean that up, I'm happy to integrate the cleanup patch in my series.
Arnd
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