path: root/arch/x86/kernel/setup_percpu.c
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authorThomas Gleixner <tglx@linutronix.de>2017-08-28 08:47:37 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-29 12:07:24 +0200
commit64b163fab684e3de47aa8db6cc08ae7d2e194373 (patch)
treeebb2769a705ac422f6f27461c3d52b6bc96fa9ab /arch/x86/kernel/setup_percpu.c
parent73285527804402befe5d5140aeede21c16544b4c (diff)
x86/idt: Unify gate_struct handling for 32/64-bit kernels
The first 32 bits of gate struct are the same for 32 and 64 bit kernels. The 32-bit version uses desc_struct and no designated data structure, so we need different accessors for 32 and 64 bit kernels. Aside of that the macros which are necessary to build the 32-bit gate descriptor are horrible to read. Unify the gate structs and switch all code fiddling with it over. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/20170828064957.861974317@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
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