From: "H. Peter Anvin" <hpa@zytor.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
mingo@kernel.org, tglx@linutronix.de, akpm@linux-foundation.org,
hjl.tools@gmail.com
Subject: Re: [PATCH 02/30] x86-64: Use explicit sizes in sigcontext.h, prepare for x32
Date: Thu, 23 Feb 2012 18:33:56 -0800 [thread overview]
Message-ID: <4F46F714.6010007@zytor.com> (raw)
In-Reply-To: <201202222123.38816.arnd@arndb.de>
On 02/22/2012 01:23 PM, Arnd Bergmann wrote:
>
> I'd say we should fix at least the ones that are easy to spot because
> they already use compat_u64 or have an #ifdef CONFIG_X86_64 in compat
> code. I've looked at everything I could find that fits into that category
> and found only two locations. My expectation is that all other data
> structures that would fall into this category are already broken
> for 32 bit emulation on x86.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
>
Would you mind sending these as patches to the respective maintainers?
Since they don't depend on the x32 patchset per se it's probably the
best way to handle this.
Feel free to include my Acked-by: H. Peter Anvin <hpa@zytor.com>.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2012-02-24 2:34 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-20 0:07 [PATCH 00/30] RFC: x32 support H. Peter Anvin
2012-02-20 0:07 ` [PATCH 01/30] x86: Factor out TIF_IA32 from 32-bit address space H. Peter Anvin
2012-02-20 0:07 ` [PATCH 02/30] x86-64: Use explicit sizes in sigcontext.h, prepare for x32 H. Peter Anvin
2012-02-20 0:51 ` Linus Torvalds
2012-02-20 0:56 ` H. Peter Anvin
2012-02-22 12:22 ` Arnd Bergmann
2012-02-22 18:14 ` H. Peter Anvin
2012-02-22 21:23 ` Arnd Bergmann
2012-02-22 21:55 ` H. Peter Anvin
2012-02-24 2:33 ` H. Peter Anvin [this message]
2012-03-06 5:25 ` H. Peter Anvin
2012-02-20 0:07 ` [PATCH 03/30] sysinfo: Move struct sysinfo to a separate header file H. Peter Anvin
2012-02-20 0:07 ` [PATCH 04/30] posix_types: Introduce __kernel_[u]long_t H. Peter Anvin
2012-02-20 0:07 ` [PATCH 05/30] x32: Create posix_types_x32.h H. Peter Anvin
2012-02-20 0:07 ` [PATCH 06/30] sysinfo: Use explicit types in <linux/sysinfo.h> H. Peter Anvin
2012-02-20 12:12 ` Geert Uytterhoeven
2012-02-20 17:29 ` H. Peter Anvin
2012-02-20 20:01 ` Geert Uytterhoeven
2012-02-20 20:44 ` H. Peter Anvin
2012-02-20 0:07 ` [PATCH 07/30] compat: Introduce COMPAT_USE_64BIT_TIME H. Peter Anvin
2012-02-20 0:07 ` [PATCH 08/30] compat: Use COMPAT_USE_64BIT_TIME in the lp driver H. Peter Anvin
2012-02-20 0:56 ` Linus Torvalds
2012-02-20 0:59 ` H. Peter Anvin
2012-02-20 2:22 ` [PATCH 0/7] COMPAT_USE_64BIT_TIME v2 H. Peter Anvin
2012-02-20 2:22 ` [PATCH 1/7] compat: Introduce COMPAT_USE_64BIT_TIME H. Peter Anvin
2012-02-20 2:22 ` [PATCH 2/7] compat: Add helper functions to read/write struct timeval, timespec H. Peter Anvin
2012-02-20 2:22 ` [PATCH 3/7] compat: Handle COMPAT_USE_64BIT_TIME in the lp driver H. Peter Anvin
2012-02-20 2:22 ` [PATCH 4/7] compat: Use COMPAT_USE_64BIT_TIME in the input subsystem H. Peter Anvin
2012-02-20 2:22 ` [PATCH 5/7] compat: Use COMPAT_USE_64BIT_TIME in the Bluetooth subsystem H. Peter Anvin
2012-02-20 2:22 ` [PATCH 6/7] compat: Use COMPAT_USE_64BIT_TIME in net/compat.c H. Peter Anvin
2012-02-20 2:22 ` [PATCH 7/7] compat: Handle COMPAT_USE_64BIT_TIME in net/socket.c H. Peter Anvin
2012-02-20 2:42 ` [PATCH 0/7] COMPAT_USE_64BIT_TIME v2 H. Peter Anvin
2012-02-20 6:22 ` H. Peter Anvin
2012-02-20 0:07 ` [PATCH 09/30] compat: Use COMPAT_USE_64BIT_TIME in the input subsystem H. Peter Anvin
2012-02-20 0:07 ` [PATCH 10/30] compat: Use COMPAT_USE_64BIT_TIME in the Bluetooth subsystem H. Peter Anvin
2012-02-21 19:05 ` Gustavo Padovan
2012-02-21 19:15 ` H. Peter Anvin
2012-02-22 13:47 ` Jiri Kosina
2012-02-22 14:45 ` Gustavo Padovan
2012-02-20 0:07 ` [PATCH 11/30] aio: Use __kernel_ulong_t to define aio_context_t H. Peter Anvin
2012-02-20 0:07 ` [PATCH 12/30] compat: Create compat_sys_p{read,write}v64 H. Peter Anvin
2012-02-20 0:07 ` [PATCH 13/30] elf: Allow core dump-related fields to be overridden H. Peter Anvin
2012-02-20 0:07 ` [PATCH 14/30] x86-64: Add prototype for old_rsp to a header file H. Peter Anvin
2012-02-20 0:07 ` [PATCH 15/30] x32: Add a thread flag for x32 processes H. Peter Anvin
2012-02-20 0:07 ` [PATCH 16/30] x86-64, ia32: Drop sys32_rt_sigprocmask H. Peter Anvin
2012-02-20 0:07 ` [PATCH 17/30] x32: Add x32 system calls to syscall/syscall_64.tbl H. Peter Anvin
2012-02-20 0:07 ` [PATCH 18/30] x32: Generate <asm/unistd_x32.h> H. Peter Anvin
2012-02-20 0:07 ` [PATCH 19/30] x32: Generate <asm/unistd_64_x32.h> H. Peter Anvin
2012-02-20 0:07 ` [PATCH 20/30] x86: Move some signal-handling definitions to a common header H. Peter Anvin
2012-02-20 0:07 ` [PATCH 21/30] x32: Export setup/restore_sigcontext from signal.c H. Peter Anvin
2012-02-20 0:08 ` [PATCH 22/30] x32: Add struct ucontext_x32 H. Peter Anvin
2012-02-20 0:08 ` [PATCH 23/30] x32: Add rt_sigframe_x32 H. Peter Anvin
2012-02-20 0:08 ` [PATCH 24/30] x32: Handle the x32 system call flag H. Peter Anvin
2012-02-20 0:08 ` [PATCH 25/30] x86: Add #ifdef CONFIG_COMPAT to <asm/sys_ia32.h> H. Peter Anvin
2012-02-20 0:08 ` [PATCH 26/30] x32: Signal-related system calls H. Peter Anvin
2012-02-20 0:08 ` [PATCH 27/30] x32: Handle process creation H. Peter Anvin
2012-02-20 0:08 ` [PATCH 28/30] x32: If configured, add x32 system calls to system call tables H. Peter Anvin
2012-02-20 0:08 ` [PATCH 29/30] x32: Allow x32 to be configured H. Peter Anvin
2012-02-20 0:08 ` [PATCH 30/30] x32: Add x32 VDSO support H. Peter Anvin
2012-02-21 0:12 ` Andy Lutomirski
2012-02-21 3:58 ` H. Peter Anvin
2012-02-21 16:52 ` Andrew Lutomirski
2012-02-21 17:51 ` H. Peter Anvin
2012-02-21 18:54 ` Andrew Lutomirski
2012-02-21 19:03 ` H. Peter Anvin
2012-02-21 19:29 ` Andrew Lutomirski
2012-02-21 19:37 ` H. Peter Anvin
2012-02-21 19:40 ` Andrew Lutomirski
2012-02-21 19:49 ` H. Peter Anvin
2012-02-21 19:51 ` Andrew Lutomirski
2012-02-21 19:56 ` H. Peter Anvin
2012-02-23 4:49 ` [tip:x86/x32] x32: Drop non-__vdso weak symbols from the x32 VDSO tip-bot for H. Peter Anvin
2012-02-23 10:55 ` Ingo Molnar
2012-02-23 14:36 ` H. Peter Anvin
2012-02-27 22:21 ` [tip:x86/x32] x32: Warn and disable rather than error if binutils too old tip-bot for H. Peter Anvin
2012-02-28 9:49 ` [tip:x86/x32] x86/x32: Fix the binutils auto-detect tip-bot for Ingo Molnar
2012-03-06 0:56 ` [tip:x86/x32] x32: Provide separate is_ia32_task() and is_x32_task () predicates tip-bot for H. Peter Anvin
2012-03-06 0:56 ` [tip:x86/x32] x32: Switch to a 64-bit clock_t tip-bot for H. Peter Anvin
2012-03-06 0:57 ` [tip:x86/x32] x32: Add ptrace for x32 tip-bot for H.J. Lu
2012-03-14 5:58 ` [tip:x86/x32] x32: Fix stupid ia32/ x32 inversion in the siginfo format tip-bot for H. Peter Anvin
2012-03-14 21:43 ` [tip:x86/x32] x32: Fix alignment fail in struct compat_siginfo tip-bot for H. Peter Anvin
2012-03-14 23:17 ` H.J. Lu
2012-03-14 23:19 ` H. Peter Anvin
2012-03-15 0:33 ` H.J. Lu
2012-03-14 23:33 ` Derek Fawcus
2012-03-14 23:44 ` H. Peter Anvin
2012-04-18 17:38 ` H.J. Lu
2012-04-18 17:47 ` H. Peter Anvin
2012-04-18 18:01 ` H.J. Lu
2012-04-18 18:10 ` H. Peter Anvin
2012-04-18 18:15 ` H.J. Lu
2012-04-18 18:21 ` H. Peter Anvin
2012-04-18 18:33 ` H.J. Lu
2012-04-18 19:03 ` H. Peter Anvin
2012-04-18 21:24 ` H. Peter Anvin
2012-04-18 21:49 ` H.J. Lu
2012-04-18 21:58 ` H. Peter Anvin
2012-04-18 22:58 ` H.J. Lu
2012-04-18 22:55 ` H.J. Lu
2012-04-18 23:48 ` H. Peter Anvin
2012-04-18 23:54 ` H.J. Lu
2012-04-19 0:09 ` H. Peter Anvin
2012-04-19 0:14 ` H.J. Lu
2012-04-23 23:49 ` [tip:x86/urgent] asm-generic: Allow overriding clock_t and add attributes to siginfo_t tip-bot for H. Peter Anvin
2012-04-23 23:50 ` [tip:x86/urgent] x32, siginfo: Provide proper overrides for x32 siginfo_t tip-bot for H. Peter Anvin
2012-04-24 1:19 ` tip-bot for H. Peter Anvin
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