Josh Poimboeuf 0c671812f1 objtool: Move objtool_file struct off the stack ... Objtool uses over 512k of stack, thanks to the hash table embedded in the objtool_file struct. This causes an unnecessarily large stack allocation and breaks users with low stack limits. Move the struct off the stack. Fixes: 042ba73fe7 ("objtool: Add several performance improvements") Reported-by: Vassili Karpov <moosotc@gmail.com> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/df92dcbc4b84b02ffa252f46876df125fb56e2d7.1552954176.git.jpoimboe@redhat.com		2019-03-21 12:02:19 +01:00
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arch/x86	x86/unwind/orc: Detect the end of the stack	2018-06-21 16:34:56 +02:00
Documentation	x86/asm: Fix inline asm call constraints for Clang	2017-09-23 15:06:20 +02:00
.gitignore	objtool: Move synced files to their original relative locations	2017-11-07 10:48:23 +01:00
arch.h	objtool: Assume unannotated UD2 instructions are dead ends	2017-07-28 08:33:32 +02:00
Build	objtool: Add ORC unwind table generation	2017-07-18 10:57:43 +02:00
builtin-check.c	objtool: Add module specific retpoline rules	2018-02-21 09:05:05 +01:00
builtin-orc.c	objtool: Use existing global variables for options	2018-02-21 09:05:04 +01:00
builtin.h	objtool: Add module specific retpoline rules	2018-02-21 09:05:05 +01:00
cfi.h	objtool: Handle GCC stack pointer adjustment bug	2017-08-30 10:48:41 +02:00
check.c	objtool: Move objtool_file struct off the stack	2019-03-21 12:02:19 +01:00
check.h	objtool: Support per-function rodata sections	2018-09-08 12:33:01 +02:00
elf.c	objtool: Fix segfault in .cold detection with -ffunction-sections	2018-11-20 18:59:00 +01:00
elf.h	objtool: Support per-function rodata sections	2018-09-08 12:33:01 +02:00
Makefile	kbuild: Rename HOSTLDFLAGS to KBUILD_HOSTLDFLAGS	2018-07-18 01:18:05 +09:00
objtool.c	objtool: Print top level commands on incorrect usage	2017-10-18 15:22:26 +02:00
orc_dump.c	x86/unwind/orc: Detect the end of the stack	2018-06-21 16:34:56 +02:00
orc_gen.c	x86/unwind/orc: Detect the end of the stack	2018-06-21 16:34:56 +02:00
orc.h	objtool: Move synced files to their original relative locations	2017-11-07 10:48:23 +01:00
special.c	x86/jump_table: Use relative references	2018-09-27 17:56:48 +02:00
special.h
sync-check.sh	objtool: Move kernel headers/code sync check to a script	2017-11-07 10:48:34 +01:00
warn.h	objtool: Implement stack validation 2.0	2017-06-30 10:19:19 +02:00