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[ Upstream commit2b424cfc69] Patch (b6c7a324df"MIPS: Fix get_frame_info() handling of microMIPS function size.") introduces additional function size check for microMIPS by only checking insn between ip and ip + func_size. However, func_size in get_frame_info() is always 0 if KALLSYMS is not enabled. This causes get_frame_info() to return immediately without calculating correct frame_size, which in turn causes "Can't analyze schedule() prologue" warning messages at boot time. This patch removes func_size check, and let the frame_size check run up to 128 insns for both MIPS and microMIPS. Signed-off-by: Jun-Ru Chang <jrjang@realtek.com> Signed-off-by: Tony Wu <tonywu@realtek.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Fixes:b6c7a324df("MIPS: Fix get_frame_info() handling of microMIPS function size.") Cc: <ralf@linux-mips.org> Cc: <jhogan@kernel.org> Cc: <macro@mips.com> Cc: <yamada.masahiro@socionext.com> Cc: <peterz@infradead.org> Cc: <mingo@kernel.org> Cc: <linux-mips@vger.kernel.org> Cc: <linux-kernel@vger.kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.