On 6 January 2015 at 13:59, Will Deacon <will.deacon@xxxxxxx> wrote: > On Tue, Jan 06, 2015 at 01:41:11PM +0000, Leif Lindholm wrote: >> This (tiny) series resolves a fairly serious problem with >> early_ioremap/iounmap/memremap/memunmap on arm64. These functions >> cannot safely be called after paging_init(), but the sanity check >> was not triggering. >> >> As a result, a fixmap entry was incorrectly cleared during >> early_initcalls on arm64 UEFI systems. >> >> 1/2 reworks the arm64 UEFI support code to not attempt these calls >> and >> 2/2 enables the sanity check >> >> Changes since v1: >> - Rebased to v3.19-rc3 >> - Added 'Fixes:' tags >> - Reworked 1/2 to restore call to efi_setup_idmap() to the original >> location in the boot process. > > Looks reasonable to me; do they need a CC stable, Yes, but with a note that both patches should be taken and the order is retained, or we break bisect. -- Ard. > or is this not a problem > that matters in practice? > > Will -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
