Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Wed, 28 Sep 2022 08:48:08 +0200 | Subject | Re: [PATCH 5/5] ARM: make ARCH_MULTIPLATFORM user-visible |
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Hi Arnd,
On Tue, Sep 27, 2022 at 10:19 PM Arnd Bergmann <arnd@arndb.de> wrote: > On Tue, Sep 27, 2022, at 3:31 PM, Geert Uytterhoeven wrote: > > On Thu, Aug 18, 2022 at 4:56 PM Arnd Bergmann <arnd@kernel.org> wrote: > >> --- a/arch/arm/Kconfig.debug > >> +++ b/arch/arm/Kconfig.debug > >> @@ -1904,6 +1904,7 @@ config DEBUG_UART_8250_PALMCHIP > >> > >> config DEBUG_UNCOMPRESS > >> bool "Enable decompressor debugging via DEBUG_LL output" > >> + depends on !ARCH_MULTIPLATFORM > > > > Shouldn't DEBUG_LL itself depend on !ARCH_MULTIPLATFORM instead? > > That would also be possible, but I prefer to keep limiting only > the DEBUG_UNCOMPRESS. The idea of DEBUG_LL is that while it's > hardwired to a particular hardware address, it does not actually > access this address unless you specify the 'earlyprintk' > argument on the command line.
... or unless something goes really wrong, and the kernel tries to inform the user using early_print()?
Note that the I/O region for the debug serial port is mapped regardless. Any chance this can cause conflicts?
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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