ead514d5fb
Allow kprobes to be placed on ftrace _mcount() call sites. This optimization avoids the use of a trap, by riding on ftrace infrastructure. This depends on HAVE_DYNAMIC_FTRACE_WITH_REGS which depends on MPROFILE_KERNEL, which is only currently enabled on powerpc64le with newer toolchains. Based on the x86 code by Masami. Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
41 lines
1.1 KiB
Plaintext
41 lines
1.1 KiB
Plaintext
#
|
|
# Feature name: kprobes-on-ftrace
|
|
# Kconfig: HAVE_KPROBES_ON_FTRACE
|
|
# description: arch supports combined kprobes and ftrace live patching
|
|
#
|
|
-----------------------
|
|
| arch |status|
|
|
-----------------------
|
|
| alpha: | TODO |
|
|
| arc: | TODO |
|
|
| arm: | TODO |
|
|
| arm64: | TODO |
|
|
| avr32: | TODO |
|
|
| blackfin: | TODO |
|
|
| c6x: | TODO |
|
|
| cris: | TODO |
|
|
| frv: | TODO |
|
|
| h8300: | TODO |
|
|
| hexagon: | TODO |
|
|
| ia64: | TODO |
|
|
| m32r: | TODO |
|
|
| m68k: | TODO |
|
|
| metag: | TODO |
|
|
| microblaze: | TODO |
|
|
| mips: | TODO |
|
|
| mn10300: | TODO |
|
|
| nios2: | TODO |
|
|
| openrisc: | TODO |
|
|
| parisc: | TODO |
|
|
| powerpc: | ok |
|
|
| s390: | TODO |
|
|
| score: | TODO |
|
|
| sh: | TODO |
|
|
| sparc: | TODO |
|
|
| tile: | TODO |
|
|
| um: | TODO |
|
|
| unicore32: | TODO |
|
|
| x86: | ok |
|
|
| xtensa: | TODO |
|
|
-----------------------
|