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Date: Tue, 29 Dec 2015 12:49:33 +0100 (CET) From: Thomas Gleixner <tglx@...utronix.de> To: Yury Norov <ynorov@...iumnetworks.com> cc: arnd@...db.de, cmetcalf@...hip.com, linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org, klimov.linux@...il.com Subject: Re: [PATCH 2/2] 32-bit ABI: introduce ARCH_32BIT_OFF_T config option On Tue, 29 Dec 2015, Yury Norov wrote: > All new 32-bit architectures should have 64-bit off_t type, but existing > architectures has 32-bit ones. > > To handle it, new config option is added to arch/Kconfig that defaults > ARCH_32BIT_OFF_T to be disabled for non-64 bit architectures. All existing > 32-bit architectures enable it explicitly here. > > New option affects force_o_largefile() behaviour. Namely, if off_t is > 64-bits long, we have no reason to reject user to open big files. > > Note that even if architectures has only 64-bit off_t in the kernel > (arc, c6x, h8300, hexagon, metag, nios2, openrisc, tile32 and unicore32), > a libc may use 32-bit off_t, and therefore want to limit the file size > to 4GB unless specified differently in the open flags. For the x86 part: Acked-by: Thomas Gleixner <tglx@...utronix.de> -- 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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