[PATCH v4 24/29] selftests: mm: move fpregs printing
flat view
STALE779d
REVIEWED: 4 (4M)
From: Joey Gouly <joey.gouly@arm.com>
Date: 2024-05-03 13:03:15
Also in:
kvmarm, linux-arm-kernel, linux-fsdevel, linux-mm
Subsystem:
kernel selftest framework, memory management - misc, the rest · Maintainers:
Shuah Khan, Shuah Khan, Andrew Morton, David Hildenbrand, Linus Torvalds
1 review trailer.
arm64's fpregs are not at a constant offset from sigcontext. Since this is not an important part of the test, don't print the fpregs pointer on arm64. Signed-off-by: Joey Gouly <joey.gouly@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Aneesh Kumar K.V <redacted> Acked-by: Dave Hansen <dave.hansen@linux.intel.com> --- tools/testing/selftests/mm/pkey-powerpc.h | 1 + tools/testing/selftests/mm/pkey-x86.h | 2 ++ tools/testing/selftests/mm/protection_keys.c | 6 ++++++ 3 files changed, 9 insertions(+)
diff --git a/tools/testing/selftests/mm/pkey-powerpc.h b/tools/testing/selftests/mm/pkey-powerpc.h
index ae5df26104e5..6275d0f474b3 100644
--- a/tools/testing/selftests/mm/pkey-powerpc.h
+++ b/tools/testing/selftests/mm/pkey-powerpc.h@@ -9,6 +9,7 @@ #endif #define REG_IP_IDX PT_NIP #define REG_TRAPNO PT_TRAP +#define MCONTEXT_FPREGS #define gregs gp_regs #define fpregs fp_regs #define si_pkey_offset 0x20
diff --git a/tools/testing/selftests/mm/pkey-x86.h b/tools/testing/selftests/mm/pkey-x86.h
index 814758e109c0..b9170a26bfcb 100644
--- a/tools/testing/selftests/mm/pkey-x86.h
+++ b/tools/testing/selftests/mm/pkey-x86.h@@ -15,6 +15,8 @@ #endif +#define MCONTEXT_FPREGS + #ifndef PKEY_DISABLE_ACCESS # define PKEY_DISABLE_ACCESS 0x1 #endif
diff --git a/tools/testing/selftests/mm/protection_keys.c b/tools/testing/selftests/mm/protection_keys.c
index 48dc151f8fca..b3dbd76ea27c 100644
--- a/tools/testing/selftests/mm/protection_keys.c
+++ b/tools/testing/selftests/mm/protection_keys.c@@ -314,7 +314,9 @@ void signal_handler(int signum, siginfo_t *si, void *vucontext) ucontext_t *uctxt = vucontext; int trapno; unsigned long ip; +#ifdef MCONTEXT_FPREGS char *fpregs; +#endif #if defined(__i386__) || defined(__x86_64__) /* arch */ u32 *pkey_reg_ptr; int pkey_reg_offset;
@@ -330,7 +332,9 @@ void signal_handler(int signum, siginfo_t *si, void *vucontext) trapno = uctxt->uc_mcontext.gregs[REG_TRAPNO]; ip = uctxt->uc_mcontext.gregs[REG_IP_IDX]; +#ifdef MCONTEXT_FPREGS fpregs = (char *) uctxt->uc_mcontext.fpregs; +#endif dprintf2("%s() trapno: %d ip: 0x%016lx info->si_code: %s/%d\n", __func__, trapno, ip, si_code_str(si->si_code),
@@ -359,7 +363,9 @@ void signal_handler(int signum, siginfo_t *si, void *vucontext) #endif /* arch */ dprintf1("siginfo: %p\n", si); +#ifdef MCONTEXT_FPREGS dprintf1(" fpregs: %p\n", fpregs); +#endif if ((si->si_code == SEGV_MAPERR) || (si->si_code == SEGV_ACCERR) ||
--
2.25.1