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Date: Mon, 22 Apr 2013 17:32:22 -0700 From: "H. Peter Anvin" <hpa@...or.com> To: Linus Torvalds <torvalds@...ux-foundation.org> CC: Ingo Molnar <mingo@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, David Miller <davem@...emloft.net>, "Theodore Ts'o" <tytso@....edu>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, the arch/x86 maintainers <x86@...nel.org>, Network Development <netdev@...r.kernel.org>, "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org> Subject: Re: Unsigned widening casts of binary "not" operations.. On 04/22/2013 05:15 PM, Linus Torvalds wrote: > > (It turns out that any use of "UINT_MAX" for a "long" value also results in > this warning, because we define it as "~0ul", so there are other cases of > spurious things where we *intentionally* drop the high bits). > I'm responsible for this particular piece of drain bramage... we should probably just open-code the correct types conditional on the sizes like userspace does. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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