From: Andrew Morton <akpm@linux-foundation.org>
To: Andi Kleen <andi@firstfloor.org>
Cc: viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org,
Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH] Use gcc alias instead of assembler aliases for syscalls
Date: Wed, 7 Aug 2013 16:54:21 -0700 [thread overview]
Message-ID: <20130807165421.0b60ee9acbd1571426188448@linux-foundation.org> (raw)
In-Reply-To: <1375740575-7640-1-git-send-email-andi@firstfloor.org>
On Mon, 5 Aug 2013 15:09:35 -0700 Andi Kleen <andi@firstfloor.org> wrote:
> From: Andi Kleen <ak@linux.intel.com>
>
> Use standard gcc __attribute__((alias(foo))) to define
> the syscall aliases instead of custom assembler macros.
>
> This is far cleaner, and also fixes my LTO kernel build.
>
This makes my x86_64 allmodconfig build emit screenfuls of
...
WARNING: "alloc_pages_current" [drivers/block/brd.ko] has no CRC!
WARNING: "alloc_pages_current" [drivers/base/firmware_class.ko] has no CRC!
WARNING: "schedule_timeout" [drivers/atm/solos-pci.ko] has no CRC!
WARNING: "schedule_timeout" [drivers/atm/iphase.ko] has no CRC!
WARNING: "schedule_timeout" [drivers/atm/he.ko] has no CRC!
WARNING: "schedule_timeout" [drivers/acpi/sbshc.ko] has no CRC!
WARNING: "schedule_timeout" [drivers/acpi/acpi_ipmi.ko] has no CRC!
WARNING: "alloc_pages_current" [crypto/async_tx/raid6test.ko] has no CRC!
WARNING: "alloc_pages_current" [crypto/async_tx/async_pq.ko] has no CRC!
WARNING: "alloc_pages_current" [crypto/algif_skcipher.ko] has no CRC!
WARNING: "schedule_timeout" [crypto/algif_skcipher.ko] has no CRC!
WARNING: "sock_register" [crypto/af_alg.ko] has no CRC!
WARNING: "task_nice" [block/cfq-iosched.ko] has no CRC!
WARNING: "perf_event_create_kernel_counter" [arch/x86/oprofile/oprofile.ko] has no CRC!
WARNING: "alloc_pages_current" [arch/x86/kvm/kvm.ko] has no CRC!
WARNING: "perf_event_create_kernel_counter" [arch/x86/kvm/kvm.ko] has no CRC!
WARNING: "alloc_pages_current" [arch/x86/kvm/kvm-amd.ko] has no CRC!
WARNING: "schedule_timeout" [arch/x86/kernel/cpu/mcheck/mce-inject.ko] has no CRC!
WARNING: "schedule_timeout" [arch/x86/kernel/apm.ko] has no CRC!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
Unexpected, but I checked it a couple of times.
next prev parent reply other threads:[~2013-08-07 23:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-05 22:09 Andi Kleen
2013-08-06 5:59 ` Andrew Morton
2013-08-06 6:42 ` Andi Kleen
2013-08-06 7:40 ` Al Viro
2013-08-07 23:54 ` Andrew Morton [this message]
2013-08-08 4:39 ` Andi Kleen
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