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A couple of fixes to be a part of 11.2 whenever it happens 1. https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=0061fabeb9393c362601486105202cfe837a5a68 Fixes "harfbuzz" build, see https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/issues/382 for all the gory details. 2. https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=4186b7e93be73f8d68dc0fcc00a4cc8cc83e99a8 Fixes ext4 run-time issue: ------------------------->8--------------------------- Path: /bin/busybox CPU: 0 PID: 1 Comm: init Not tainted 5.13.0-rc2-dirty #23 Invalid Read @ 0x41c9e600 by insn @ __bio_try_merge_page+0x4e/0xfc ECR: 0x00050100 EFA: 0x41c9e600 ERET: 0x80159656 STAT: 0x80080202 [IE K ] BTA: 0x80159648 SP: 0x80821b88 FP: 0x00000008 BLK: bio_add_page+0x22/0x5c LPS: 0x801a6a94 LPE: 0x801a6a98 LPC: 0x00000000 r00: 0x80823300 r01: 0xbfb85e38 r02: 0x00002000 r03: 0x00000000 r04: 0x80821b9b r05: 0x80821bfc r06: 0x00000000 r07: 0x00000700 r08: 0x00000000 r09: 0xffffffff r10: 0x00000000 r11: 0x00000000 r12: 0x8080b300 Stack Trace: __bio_try_merge_page+0x4e/0xfc bio_add_page+0x22/0x5c do_mpage_readpage+0x534/0x65c mpage_readahead+0x30/0xdc read_pages+0x34/0x194 page_cache_ra_unbounded+0x56/0x154 filemap_fault+0x25a/0x5d8 __do_fault+0x94/0xe8 handle_mm_fault+0x4de/0xbd4 do_page_fault+0x108/0x21c ret_from_exception+0x0/0x8 ------------------------->8--------------------------- 3. https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=5a9b6a004f89fdd95b0470e1324dc4dee8c41d24 Precautious fix for rare corner cases which we don't wnat to really end-up in. (From OE-Core rev: 75110a9cc5e6840c65ed24bcca7d4cf1748ab67d) Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
QEMU Emulation Targets ====================== To simplify development, the build system supports building images to work with the QEMU emulator in system emulation mode. Several architectures are currently supported in 32 and 64 bit variants: * ARM (qemuarm + qemuarm64) * x86 (qemux86 + qemux86-64) * PowerPC (qemuppc only) * MIPS (qemumips + qemumips64) Use of the QEMU images is covered in the Yocto Project Reference Manual. The appropriate MACHINE variable value corresponding to the target is given in brackets.