From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Dmitry Safonov <dima@arista.com>, linux-kernel@vger.kernel.org
Cc: Dmitry Safonov <0x7f454c46@gmail.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Borislav Petkov <bp@alien8.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Guo Ren <guoren@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
Ingo Molnar <mingo@redhat.com>, Oleg Nesterov <oleg@redhat.com>,
Russell King <linux@armlinux.org.uk>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Thomas Gleixner <tglx@linutronix.de>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Will Deacon <will@kernel.org>,
x86@kernel.org, Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH v3 22/23] powerpc/vdso: Migrate native signals to generic vdso_base
Date: Thu, 17 Jun 2021 08:36:49 +0200 [thread overview]
Message-ID: <1678c131-98e3-2d5c-7cf1-0dcb985d67bb@csgroup.eu> (raw)
In-Reply-To: <20210611180242.711399-23-dima@arista.com>
Le 11/06/2021 à 20:02, Dmitry Safonov a écrit :
> Generic way to track the land vma area.
> Stat speaks for itself.
>
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Paul Mackerras <paulus@samba.org>
> Signed-off-by: Dmitry Safonov <dima@arista.com>
Build failure:
CC arch/powerpc/kernel/asm-offsets.s
In file included from ./include/linux/mmzone.h:21,
from ./include/linux/gfp.h:6,
from ./include/linux/xarray.h:14,
from ./include/linux/radix-tree.h:19,
from ./include/linux/fs.h:15,
from ./include/linux/compat.h:17,
from arch/powerpc/kernel/asm-offsets.c:14:
./include/linux/mm_types.h: In function 'init_vdso_base':
./include/linux/mm_types.h:522:28: error: 'TASK_SIZE_MAX' undeclared (first use in this function);
did you mean 'XATTR_SIZE_MAX'?
522 | #define UNMAPPED_VDSO_BASE TASK_SIZE_MAX
| ^~~~~~~~~~~~~
./include/linux/mm_types.h:627:40: note: in expansion of macro 'UNMAPPED_VDSO_BASE'
627 | mm->vdso_base = (void __user *)UNMAPPED_VDSO_BASE;
| ^~~~~~~~~~~~~~~~~~
./include/linux/mm_types.h:522:28: note: each undeclared identifier is reported only once for each
function it appears in
522 | #define UNMAPPED_VDSO_BASE TASK_SIZE_MAX
| ^~~~~~~~~~~~~
./include/linux/mm_types.h:627:40: note: in expansion of macro 'UNMAPPED_VDSO_BASE'
627 | mm->vdso_base = (void __user *)UNMAPPED_VDSO_BASE;
| ^~~~~~~~~~~~~~~~~~
make[2]: *** [arch/powerpc/kernel/asm-offsets.s] Error 1
make[1]: *** [prepare0] Error 2
make: *** [__sub-make] Error 2
next prev parent reply other threads:[~2021-06-17 6:36 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-11 18:02 [PATCH v3 00/23] Add generic vdso_base tracking Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 01/23] x86/elf: Check in_x32_syscall() in compat_arch_setup_additional_pages() Dmitry Safonov
2021-06-19 20:41 ` Thomas Gleixner
2021-06-21 20:59 ` Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 02/23] elf: Move arch_setup_additional_pages() to generic elf.h Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 03/23] arm/elf: Remove needless ifdef CONFIG_MMU Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 04/23] arm64: Use in_compat_task() in arch_setup_additional_pages() Dmitry Safonov
2021-06-15 10:21 ` Will Deacon
2021-06-11 18:02 ` [PATCH v3 05/23] x86: Remove compat_arch_setup_additional_pages() Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 06/23] elf: " Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 07/23] vdso: Set mm->context.vdso only on success of _install_special_mapping() Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 08/23] elf/vdso: Modify arch_setup_additional_pages() parameters Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 09/23] elf: Use sysinfo_ehdr in ARCH_DLINFO() Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 10/23] arm/vdso: Remove vdso pointer from mm->context Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 11/23] s390/vdso: Remove vdso_base " Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 12/23] sparc/vdso: Remove vdso " Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 13/23] mm/mmap: Make vm_special_mapping::mremap return void Dmitry Safonov
2021-06-17 7:20 ` Christophe Leroy
2021-06-21 21:12 ` Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 14/23] x86/signal: Land on &frame->retcode when vdso isn't mapped Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 15/23] x86/signal: Check if vdso_image_32 is mapped before trying to land on it Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 16/23] mm: Add vdso_base in mm_struct Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 17/23] x86/vdso: Migrate to generic vdso_base Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 18/23] arm/vdso: " Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 19/23] arm64/vdso: Migrate compat signals " Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 20/23] arm64/vdso: Migrate native " Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 21/23] mips/vdso: Migrate " Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 22/23] powerpc/vdso: Migrate native signals " Dmitry Safonov
2021-06-15 12:52 ` Michael Ellerman
2021-06-17 6:30 ` Christophe Leroy
2021-06-17 6:36 ` Christophe Leroy [this message]
2021-06-17 7:34 ` Christophe Leroy
2021-06-21 21:22 ` Dmitry Safonov
2021-06-11 18:02 ` [PATCH v3 23/23] x86/vdso/selftest: Add a test for unmapping vDSO Dmitry Safonov
2021-06-11 18:21 ` Shuah Khan
2021-06-11 18:37 ` Dmitry Safonov
2021-06-11 18:43 ` Shuah Khan
2021-06-17 9:13 ` [PATCH v3 00/23] Add generic vdso_base tracking Christophe Leroy
2021-06-21 21:57 ` Dmitry Safonov
2022-03-09 15:41 ` Christophe Leroy
2022-03-10 21:17 ` Dmitry Safonov
2022-08-19 9:17 ` Christophe Leroy
2022-08-23 19:13 ` Dmitry Safonov
2023-10-11 10:28 ` Christophe Leroy
2023-10-11 23:20 ` H. Peter Anvin
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