diff options
| author | Hari Bathini <hbathini@linux.ibm.com> | 2021-07-14 18:17:58 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-07-26 20:38:51 +1000 |
| commit | 8119cefd9a29b71997e62b762932d23499ba4896 (patch) | |
| tree | 8e26180883e80194f962beec5988ec394f335173 /arch/powerpc/platforms/pseries/lpar.c | |
| parent | e1ab9a730b426fadc018f91b7c98412473e542fb (diff) | |
powerpc/kexec: blacklist functions called in real mode for kprobe
As kprobe does not handle events happening in real mode, blacklist the
functions that only get called in real mode or in kexec sequence with
MMU turned off.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/162626687834.155313.4692863392927831843.stgit@hbathini-workstation.ibm.com
Diffstat (limited to 'arch/powerpc/platforms/pseries/lpar.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/lpar.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index dab356e3ff87..869ef638698a 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -801,7 +801,8 @@ static long pSeries_lpar_hpte_remove(unsigned long hpte_group) return -1; } -static void manual_hpte_clear_all(void) +/* Called during kexec sequence with MMU off */ +static notrace void manual_hpte_clear_all(void) { unsigned long size_bytes = 1UL << ppc64_pft_size; unsigned long hpte_count = size_bytes >> 4; @@ -834,7 +835,8 @@ static void manual_hpte_clear_all(void) } } -static int hcall_hpte_clear_all(void) +/* Called during kexec sequence with MMU off */ +static notrace int hcall_hpte_clear_all(void) { int rc; @@ -845,7 +847,8 @@ static int hcall_hpte_clear_all(void) return rc; } -static void pseries_hpte_clear_all(void) +/* Called during kexec sequence with MMU off */ +static notrace void pseries_hpte_clear_all(void) { int rc; |