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Message-Id: <1378504062-9117-1-git-send-email-behanw@converseincode.com> Date: Fri, 6 Sep 2013 17:47:39 -0400 From: behanw@...verseincode.com To: linux@....linux.org.uk, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Cc: behanw@...verseincode.com, Russell King <rmk+kernel@....linux.org.uk>, Will Deacon <will.deacon@....com>, Wade Farnsworth <wade_farnsworth@...tor.com>, Will Drewry <wad@...omium.org> Subject: [PATCH] arm: LLVMLinux: Use __builtin_frame_address to get thread info From: Behan Webster <behanw@...verseincode.com> The LLVMLinux Project is working to be able to build the Linux kernel with clang/LLVM. With the release of LLVM 3.3 clang is now able to compile the Linux kernel with a number of small patches (available from the LLVMLinux git repo). Use the frame pointer to calculate the start of the stack for current_thread_info() The existing code uses the stack pointer to do this calculation. Using the frame pointer yeilds the same value in a portable way. This change supports being able to compile the kernel with gcc and Clang. Behan Webster (1): arm: LLVMLinux: Calculate current_thread_info from fp arch/arm/include/asm/thread_info.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) -- 1.8.1.2 -- 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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