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authorMark Brown <broonie@kernel.org>2024-02-19 16:58:41 +0000
committerMark Brown <broonie@kernel.org>2024-02-19 16:58:41 +0000
commitd68ce3aa8142333a96a071a9a0207f21c04e54cc (patch)
tree15754707ec571eb08c8d6308fe2459e46b8a5468 /arch/parisc/mm/fault.c
parentec29a4d9b7c7329afc61e7932cb91e9b292b2b74 (diff)
parentb401b621758e46812da61fa58a67c3fd8d91de0d (diff)
regulator: Merge up v6.8-rc5
There are dependencies on the PWM fixes for some new work on the PWM driver.
Diffstat (limited to 'arch/parisc/mm/fault.c')
-rw-r--r--arch/parisc/mm/fault.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 2fe5b44986e0..c39de84e98b0 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -150,11 +150,16 @@ int fixup_exception(struct pt_regs *regs)
* Fix up get_user() and put_user().
* ASM_EXCEPTIONTABLE_ENTRY_EFAULT() sets the least-significant
* bit in the relative address of the fixup routine to indicate
- * that gr[ASM_EXCEPTIONTABLE_REG] should be loaded with
- * -EFAULT to report a userspace access error.
+ * that the register encoded in the "or %r0,%r0,register"
+ * opcode should be loaded with -EFAULT to report a userspace
+ * access error.
*/
if (fix->fixup & 1) {
- regs->gr[ASM_EXCEPTIONTABLE_REG] = -EFAULT;
+ int fault_error_reg = fix->err_opcode & 0x1f;
+ if (!WARN_ON(!fault_error_reg))
+ regs->gr[fault_error_reg] = -EFAULT;
+ pr_debug("Unalignment fixup of register %d at %pS\n",
+ fault_error_reg, (void*)regs->iaoq[0]);
/* zero target register for get_user() */
if (parisc_acctyp(0, regs->iir) == VM_READ) {