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selftests: mm: move fpregs printing

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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 <aneesh.kumar@linux.ibm.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/r/20240822151113.1479789-26-joey.gouly@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Joey Gouly 2024-08-22 16:11:08 +01:00 committed by Will Deacon
parent 6354a0184c
commit 41bbcf7b4b
3 changed files with 9 additions and 0 deletions
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1
tools/testing/selftests/mm/pkey-powerpc.h
View File

@ -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

2
tools/testing/selftests/mm/pkey-x86.h
View File

@ -15,6 +15,8 @@
#endif
#define MCONTEXT_FPREGS
#ifndef PKEY_DISABLE_ACCESS
# define PKEY_DISABLE_ACCESS 0x1
#endif

6
tools/testing/selftests/mm/protection_keys.c
View File

@ -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) ||