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Subject: Re: How do I printk <type> correctly?
From: Johannes Berg <johannes@sipsolutions.net>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <20081023114133.GA30187@x200.localdomain>
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Date: Thu, 23 Oct 2008 17:13:26 +0200
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> u64 SHOULD be printed with %llu/%llx, (unsigned long long):
>=20
> 	printk("%llu", (unsigned long long)u64_var);
>=20
> s64 SHOULD be printed with %lld/%llx, (long long):
>=20
> 	printk("%lld", (long long)s64_var);

out of curiosity, why are there platforms that use an "unsigned long"
for u64? An "unsigned long long" is 64-bits too even on 64-bit
platforms, so why the difference? Are there any differences like
alignment on some platforms?

johannes

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