linux-kernel - Re: [PATCH v6 01/37] fix missing vmalloc.h includes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Wed, 3 Apr 2024 17:41:57 -0400
From: Kent Overstreet <kent.overstreet@...ux.dev>
To: Nathan Chancellor <nathan@...nel.org>
Cc: Suren Baghdasaryan <surenb@...gle.com>, akpm@...ux-foundation.org, 
	mhocko@...e.com, vbabka@...e.cz, hannes@...xchg.org, roman.gushchin@...ux.dev, 
	mgorman@...e.de, dave@...olabs.net, willy@...radead.org, liam.howlett@...cle.com, 
	penguin-kernel@...ove.sakura.ne.jp, corbet@....net, void@...ifault.com, peterz@...radead.org, 
	juri.lelli@...hat.com, catalin.marinas@....com, will@...nel.org, arnd@...db.de, 
	tglx@...utronix.de, mingo@...hat.com, dave.hansen@...ux.intel.com, x86@...nel.org, 
	peterx@...hat.com, david@...hat.com, axboe@...nel.dk, mcgrof@...nel.org, 
	masahiroy@...nel.org, dennis@...nel.org, jhubbard@...dia.com, tj@...nel.org, 
	muchun.song@...ux.dev, rppt@...nel.org, paulmck@...nel.org, pasha.tatashin@...een.com, 
	yosryahmed@...gle.com, yuzhao@...gle.com, dhowells@...hat.com, hughd@...gle.com, 
	andreyknvl@...il.com, keescook@...omium.org, ndesaulniers@...gle.com, 
	vvvvvv@...gle.com, gregkh@...uxfoundation.org, ebiggers@...gle.com, 
	ytcoode@...il.com, vincent.guittot@...aro.org, dietmar.eggemann@....com, 
	rostedt@...dmis.org, bsegall@...gle.com, bristot@...hat.com, vschneid@...hat.com, 
	cl@...ux.com, penberg@...nel.org, iamjoonsoo.kim@....com, 42.hyeyoo@...il.com, 
	glider@...gle.com, elver@...gle.com, dvyukov@...gle.com, songmuchun@...edance.com, 
	jbaron@...mai.com, aliceryhl@...gle.com, rientjes@...gle.com, minchan@...gle.com, 
	kaleshsingh@...gle.com, kernel-team@...roid.com, linux-doc@...r.kernel.org, 
	linux-kernel@...r.kernel.org, iommu@...ts.linux.dev, linux-arch@...r.kernel.org, 
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, linux-modules@...r.kernel.org, 
	kasan-dev@...glegroups.com, cgroups@...r.kernel.org
Subject: Re: [PATCH v6 01/37] fix missing vmalloc.h includes

On Wed, Apr 03, 2024 at 02:12:40PM -0700, Nathan Chancellor wrote:
> On Thu, Mar 21, 2024 at 09:36:23AM -0700, Suren Baghdasaryan wrote:
> > From: Kent Overstreet <kent.overstreet@...ux.dev>
> > 
> > The next patch drops vmalloc.h from a system header in order to fix
> > a circular dependency; this adds it to all the files that were pulling
> > it in implicitly.
> > 
> > Signed-off-by: Kent Overstreet <kent.overstreet@...ux.dev>
> > Signed-off-by: Suren Baghdasaryan <surenb@...gle.com>
> > Reviewed-by: Pasha Tatashin <pasha.tatashin@...een.com>
> 
> I bisected an error that I see when building ARCH=loongarch allmodconfig
> to commit 302519d9e80a ("asm-generic/io.h: kill vmalloc.h dependency")
> in -next, which tells me that this patch likely needs to contain
> something along the following lines, as LoongArch was getting
> include/linux/sizes.h transitively through the vmalloc.h include in
> include/asm-generic/io.h.

gcc doesn't appear to be packaged for loongarch for debian (most other
cross compilers are), so that's going to make it hard for me to test
anything...

> 
> Cheers,
> Nathan
> 
>   In file included from arch/loongarch/include/asm/io.h:11,
>                    from include/linux/io.h:13,
>                    from arch/loongarch/mm/mmap.c:6:
>   include/asm-generic/io.h: In function 'ioport_map':
>   arch/loongarch/include/asm/addrspace.h:124:25: error: 'SZ_32M' undeclared (first use in this function); did you mean 'PS_32M'?
>     124 | #define PCI_IOSIZE      SZ_32M
>         |                         ^~~~~~
>   arch/loongarch/include/asm/addrspace.h:126:26: note: in expansion of macro 'PCI_IOSIZE'
>     126 | #define IO_SPACE_LIMIT  (PCI_IOSIZE - 1)
>         |                          ^~~~~~~~~~
>   include/asm-generic/io.h:1113:17: note: in expansion of macro 'IO_SPACE_LIMIT'
>    1113 |         port &= IO_SPACE_LIMIT;
>         |                 ^~~~~~~~~~~~~~
>   arch/loongarch/include/asm/addrspace.h:124:25: note: each undeclared identifier is reported only once for each function it appears in
>     124 | #define PCI_IOSIZE      SZ_32M
>         |                         ^~~~~~
>   arch/loongarch/include/asm/addrspace.h:126:26: note: in expansion of macro 'PCI_IOSIZE'
>     126 | #define IO_SPACE_LIMIT  (PCI_IOSIZE - 1)
>         |                          ^~~~~~~~~~
>   include/asm-generic/io.h:1113:17: note: in expansion of macro 'IO_SPACE_LIMIT'
>    1113 |         port &= IO_SPACE_LIMIT;
>         |                 ^~~~~~~~~~~~~~
> 
> diff --git a/arch/loongarch/include/asm/addrspace.h b/arch/loongarch/include/asm/addrspace.h
> index b24437e28c6e..7bd47d65bf7a 100644
> --- a/arch/loongarch/include/asm/addrspace.h
> +++ b/arch/loongarch/include/asm/addrspace.h
> @@ -11,6 +11,7 @@
>  #define _ASM_ADDRSPACE_H
>  
>  #include <linux/const.h>
> +#include <linux/sizes.h>
>  
>  #include <asm/loongarch.h>
>