summaryrefslogtreecommitdiffstats
path: root/scripts/kallsyms.c
diff options
context:
space:
mode:
authorKalesh Singh <kaleshsingh@google.com>2022-04-20 23:42:57 +0200
committerMarc Zyngier <maz@kernel.org>2022-04-28 21:53:13 +0200
commit6ccf9cb557bd32073b0d68baed97f1bd8a40ff1d (patch)
tree6709067d3d928e2ca559a53c0d85551b42832ab7 /scripts/kallsyms.c
parentKVM: arm64: Detect and handle hypervisor stack overflows (diff)
downloadlinux-6ccf9cb557bd32073b0d68baed97f1bd8a40ff1d.tar.xz
linux-6ccf9cb557bd32073b0d68baed97f1bd8a40ff1d.zip
KVM: arm64: Symbolize the nVHE HYP addresses
Reintroduce the __kvm_nvhe_ symbols in kallsyms, ignoring the local symbols in this namespace. The local symbols are not informative and can cause aliasing issues when symbolizing the addresses. With the necessary symbols now in kallsyms we can symbolize nVHE addresses using the %p print format specifier: [ 98.916444][ T426] kvm [426]: nVHE hyp panic at: [<ffffffc0096156fc>] __kvm_nvhe_overflow_stack+0x8/0x34! Signed-off-by: Kalesh Singh <kaleshsingh@google.com> Tested-by: Fuad Tabba <tabba@google.com> Reviewed-by: Fuad Tabba <tabba@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220420214317.3303360-7-kaleshsingh@google.com
Diffstat (limited to 'scripts/kallsyms.c')
-rw-r--r--scripts/kallsyms.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 8caabddf817c..e6906f79833d 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -111,7 +111,8 @@ static bool is_ignored_symbol(const char *name, char type)
".L", /* local labels, .LBB,.Ltmpxxx,.L__unnamed_xx,.LASANPC, etc. */
"__crc_", /* modversions */
"__efistub_", /* arm64 EFI stub namespace */
- "__kvm_nvhe_", /* arm64 non-VHE KVM namespace */
+ "__kvm_nvhe_$", /* arm64 local symbols in non-VHE KVM namespace */
+ "__kvm_nvhe_.L", /* arm64 local symbols in non-VHE KVM namespace */
"__AArch64ADRPThunk_", /* arm64 lld */
"__ARMV5PILongThunk_", /* arm lld */
"__ARMV7PILongThunk_",