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31ced24d88
With the new optimized do_div() code, some versions of gcc produce obviously incorrect code that leads to a link error in iwlegacy/common.o: drivers/built-in.o: In function `il_send_rxon_timing': :(.text+0xa6b4d4): undefined reference to `____ilog2_NaN' :(.text+0xa6b4f0): undefined reference to `__aeabi_uldivmod' In a few thousand randconfig builds, I have seen this problem a couple of times in this file, but never anywhere else in the kernel, so we can try to work around this in the only file that shows the behavior, by marking the il_adjust_beacon_interval function as noinline, which convinces gcc to use the unoptimized do_div() all the time. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> |
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