From: Randy Dunlap <rdunlap@infradead.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>,
Linux Next Mailing List <linux-next@vger.kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-um <linux-um@lists.infradead.org>
Subject: Re: linux-next: Tree for Jul 11 (uml)
Date: Mon, 11 Jul 2022 14:49:13 -0700 [thread overview]
Message-ID: <c0f6bd83-bf1e-a373-425a-6a9ef941043f@infradead.org> (raw)
In-Reply-To: <20220711211220.795af291@canb.auug.org.au>
On 7/11/22 04:12, Stephen Rothwell wrote:
> Hi all,
>
> Changes since 20220708:
>
Since last week, building uml for i386 has had build warnings
on allnoconfig, defconfig, and tinyconfig:
In file included from ../arch/um/include/asm/processor-generic.h:13,
from ../arch/x86/um/asm/processor.h:41,
from ../include/linux/rcupdate.h:30,
from ../include/linux/rculist.h:11,
from ../include/linux/pid.h:5,
from ../include/linux/sched.h:14,
from ../include/linux/ptrace.h:6,
from ../arch/um/kernel/skas/syscall.c:7:
../arch/um/kernel/skas/syscall.c: In function 'handle_syscall':
../arch/x86/um/shared/sysdep/syscalls_32.h:14:10: warning: cast between incompatible function types from 'long int (*)(struct pt_regs)' to 'long int (*)(struct syscall_args)' [-Wcast-function-type]
14 | ((long (*)(struct syscall_args)) \
| ^
../arch/x86/um/asm/ptrace.h:36:62: note: in definition of macro 'PT_REGS_SET_SYSCALL_RETURN'
36 | #define PT_REGS_SET_SYSCALL_RETURN(r, res) (PT_REGS_AX(r) = (res))
| ^~~
../arch/um/kernel/skas/syscall.c:46:33: note: in expansion of macro 'EXECUTE_SYSCALL'
46 | EXECUTE_SYSCALL(syscall, regs));
| ^~~~~~~~~~~~~~~
../arch/x86/um/tls_32.c: In function 'get_free_idx':
../arch/x86/um/tls_32.c:68:13: warning: the comparison will always evaluate as 'true' for the address of 'tls_array' will never be NULL [-Waddress]
68 | if (!t->arch.tls_array)
| ^
In file included from ../arch/x86/um/asm/processor.h:10,
from ../include/linux/rcupdate.h:30,
from ../include/linux/rculist.h:11,
from ../include/linux/pid.h:5,
from ../include/linux/sched.h:14,
from ../arch/x86/um/tls_32.c:7:
../arch/x86/um/asm/processor_32.h:22:31: note: 'tls_array' declared here
22 | struct uml_tls_struct tls_array[GDT_ENTRY_TLS_ENTRIES];
| ^~~~~~~~~
../arch/x86/um/tls_32.c: In function 'get_tls_entry':
../arch/x86/um/tls_32.c:243:13: warning: the comparison will always evaluate as 'true' for the address of 'tls_array' will never be NULL [-Waddress]
243 | if (!t->arch.tls_array)
| ^
../arch/x86/um/asm/processor_32.h:22:31: note: 'tls_array' declared here
22 | struct uml_tls_struct tls_array[GDT_ENTRY_TLS_ENTRIES];
| ^~~~~~~~~
--
~Randy
WARNING: multiple messages have this Message-ID (diff)
From: Randy Dunlap <rdunlap@infradead.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>,
Linux Next Mailing List <linux-next@vger.kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-um <linux-um@lists.infradead.org>
Subject: Re: linux-next: Tree for Jul 11 (uml)
Date: Mon, 11 Jul 2022 14:49:13 -0700 [thread overview]
Message-ID: <c0f6bd83-bf1e-a373-425a-6a9ef941043f@infradead.org> (raw)
In-Reply-To: <20220711211220.795af291@canb.auug.org.au>
On 7/11/22 04:12, Stephen Rothwell wrote:
> Hi all,
>
> Changes since 20220708:
>
Since last week, building uml for i386 has had build warnings
on allnoconfig, defconfig, and tinyconfig:
In file included from ../arch/um/include/asm/processor-generic.h:13,
from ../arch/x86/um/asm/processor.h:41,
from ../include/linux/rcupdate.h:30,
from ../include/linux/rculist.h:11,
from ../include/linux/pid.h:5,
from ../include/linux/sched.h:14,
from ../include/linux/ptrace.h:6,
from ../arch/um/kernel/skas/syscall.c:7:
../arch/um/kernel/skas/syscall.c: In function 'handle_syscall':
../arch/x86/um/shared/sysdep/syscalls_32.h:14:10: warning: cast between incompatible function types from 'long int (*)(struct pt_regs)' to 'long int (*)(struct syscall_args)' [-Wcast-function-type]
14 | ((long (*)(struct syscall_args)) \
| ^
../arch/x86/um/asm/ptrace.h:36:62: note: in definition of macro 'PT_REGS_SET_SYSCALL_RETURN'
36 | #define PT_REGS_SET_SYSCALL_RETURN(r, res) (PT_REGS_AX(r) = (res))
| ^~~
../arch/um/kernel/skas/syscall.c:46:33: note: in expansion of macro 'EXECUTE_SYSCALL'
46 | EXECUTE_SYSCALL(syscall, regs));
| ^~~~~~~~~~~~~~~
../arch/x86/um/tls_32.c: In function 'get_free_idx':
../arch/x86/um/tls_32.c:68:13: warning: the comparison will always evaluate as 'true' for the address of 'tls_array' will never be NULL [-Waddress]
68 | if (!t->arch.tls_array)
| ^
In file included from ../arch/x86/um/asm/processor.h:10,
from ../include/linux/rcupdate.h:30,
from ../include/linux/rculist.h:11,
from ../include/linux/pid.h:5,
from ../include/linux/sched.h:14,
from ../arch/x86/um/tls_32.c:7:
../arch/x86/um/asm/processor_32.h:22:31: note: 'tls_array' declared here
22 | struct uml_tls_struct tls_array[GDT_ENTRY_TLS_ENTRIES];
| ^~~~~~~~~
../arch/x86/um/tls_32.c: In function 'get_tls_entry':
../arch/x86/um/tls_32.c:243:13: warning: the comparison will always evaluate as 'true' for the address of 'tls_array' will never be NULL [-Waddress]
243 | if (!t->arch.tls_array)
| ^
../arch/x86/um/asm/processor_32.h:22:31: note: 'tls_array' declared here
22 | struct uml_tls_struct tls_array[GDT_ENTRY_TLS_ENTRIES];
| ^~~~~~~~~
--
~Randy
_______________________________________________
linux-um mailing list
linux-um@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-um
next prev parent reply other threads:[~2022-07-11 21:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-11 11:12 linux-next: Tree for Jul 11 Stephen Rothwell
2022-07-11 21:49 ` Randy Dunlap [this message]
2022-07-11 21:49 ` linux-next: Tree for Jul 11 (uml) Randy Dunlap
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=c0f6bd83-bf1e-a373-425a-6a9ef941043f@infradead.org \
--to=rdunlap@infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-next@vger.kernel.org \
--cc=linux-um@lists.infradead.org \
--cc=sfr@canb.auug.org.au \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.