On 29/09/15 13:17, Vladimir Murzin wrote:
On 16/09/15 15:21, Suzuki K. Poulose wrote:
From: "Suzuki K. Poulose" <[email protected]>
Use the system wide value of ID_AA64DFR0 to make safer decisions
Signed-off-by: Suzuki K. Poulose <[email protected]>
---
arch/arm64/include/asm/hw_breakpoint.h | 14 ++------------
arch/arm64/kernel/debug-monitors.c | 6 ++++--
arch/arm64/kernel/hw_breakpoint.c | 19 ++++++++++++++++++-
3 files changed, 24 insertions(+), 15 deletions(-)
Looks like this patch introduces build-time regression if
CONFIG_PERF_EVENTS is not set:
arch/arm64/kvm/built-in.o: In function `kvm_arm_setup_debug':
/work/tools/linux/arch/arm64/kvm/debug.c:173: undefined reference to
`get_num_brps'
/work/tools/linux/arch/arm64/kvm/debug.c:177: undefined reference to
`get_num_wrps'
arch/arm64/kvm/built-in.o: In function `kvm_arm_clear_debug':
/work/tools/linux/arch/arm64/kvm/debug.c:208: undefined reference to
`get_num_brps'
/work/tools/linux/arch/arm64/kvm/debug.c:212: undefined reference to
`get_num_wrps'
arch/arm64/kvm/built-in.o: In function `kvm_arch_dev_ioctl_check_extension':
/work/tools/linux/arch/arm64/kvm/reset.c:78: undefined reference to
`get_num_wrps'
/work/tools/linux/arch/arm64/kvm/reset.c:75: undefined reference to
`get_num_brps'
make: *** [vmlinux] Error 1
Vladimir
Thanks for pointing this out. I will fix it by moving the get_num_xrps()
definition
back to hw_breakpoint.h.
Suzuki
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