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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-03-10 04:08:41 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-03-10 04:08:41 +0300 |
| commit | 6a30bedfdf3be7bb5bf4effb4b2a28920cd2db1a (patch) | |
| tree | 79e7a317165f51af8a4f95f0a7080bd8491c2e5b /arch/sparc/kernel | |
| parent | 4b3d9f9cf108ebf2c48fbbbf30a8d1346d9cc7d6 (diff) | |
| parent | 69264b4a43aff7307283e2bae29e9305ab6b7d47 (diff) | |
| download | linux-6a30bedfdf3be7bb5bf4effb4b2a28920cd2db1a.tar.xz | |
Merge git://git.kernel.org:/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixes from David Miller:
"Fix opcode filtering for exceptions, and clean up defconfig"
* git://git.kernel.org:/pub/scm/linux/kernel/git/davem/sparc:
sparc: sparc64_defconfig: remove duplicate CONFIGs
sparc64: Fix opcode filtering in handling of no fault loads
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/traps_64.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index d92e5eaa4c1d..a850dccd78ea 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -275,14 +275,13 @@ bool is_no_fault_exception(struct pt_regs *regs) asi = (regs->tstate >> 24); /* saved %asi */ else asi = (insn >> 5); /* immediate asi */ - if ((asi & 0xf2) == ASI_PNF) { - if (insn & 0x1000000) { /* op3[5:4]=3 */ - handle_ldf_stq(insn, regs); - return true; - } else if (insn & 0x200000) { /* op3[2], stores */ + if ((asi & 0xf6) == ASI_PNF) { + if (insn & 0x200000) /* op3[2], stores */ return false; - } - handle_ld_nf(insn, regs); + if (insn & 0x1000000) /* op3[5:4]=3 (fp) */ + handle_ldf_stq(insn, regs); + else + handle_ld_nf(insn, regs); return true; } } |