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authorLinus Torvalds <torvalds@linux-foundation.org>2022-07-02 20:23:36 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-07-02 20:23:36 +0300
commit34074da5424c08542d197396757cc3194ef754b4 (patch)
treef0e5d093e9948c9fcf1e096afbe3490f7ca486b4
parentbb7c51268776941b7533374caabcaaed302b91e0 (diff)
parentaa78fa905b4431c432071a878da99c2b37fc0e79 (diff)
downloadlinux-34074da5424c08542d197396757cc3194ef754b4.tar.xz
Merge tag 'for-5.19/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture fixes from Helge Deller: "Two important fixes for bugs in code which was added in 5.18: - Fix userspace signal failures on 32-bit kernel due to a bug in vDSO - Fix 32-bit load-word unalignment exception handler which returned wrong values" * tag 'for-5.19/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Fix vDSO signal breakage on 32-bit kernel parisc/unaligned: Fix emulate_ldw() breakage
-rw-r--r--arch/parisc/kernel/asm-offsets.c5
-rw-r--r--arch/parisc/kernel/unaligned.c2
2 files changed, 6 insertions, 1 deletions
diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c
index 2673d57eeb00..94652e13c260 100644
--- a/arch/parisc/kernel/asm-offsets.c
+++ b/arch/parisc/kernel/asm-offsets.c
@@ -224,8 +224,13 @@ int main(void)
BLANK();
DEFINE(ASM_SIGFRAME_SIZE, PARISC_RT_SIGFRAME_SIZE);
DEFINE(SIGFRAME_CONTEXT_REGS, offsetof(struct rt_sigframe, uc.uc_mcontext) - PARISC_RT_SIGFRAME_SIZE);
+#ifdef CONFIG_64BIT
DEFINE(ASM_SIGFRAME_SIZE32, PARISC_RT_SIGFRAME_SIZE32);
DEFINE(SIGFRAME_CONTEXT_REGS32, offsetof(struct compat_rt_sigframe, uc.uc_mcontext) - PARISC_RT_SIGFRAME_SIZE32);
+#else
+ DEFINE(ASM_SIGFRAME_SIZE32, PARISC_RT_SIGFRAME_SIZE);
+ DEFINE(SIGFRAME_CONTEXT_REGS32, offsetof(struct rt_sigframe, uc.uc_mcontext) - PARISC_RT_SIGFRAME_SIZE);
+#endif
BLANK();
DEFINE(ICACHE_BASE, offsetof(struct pdc_cache_info, ic_base));
DEFINE(ICACHE_STRIDE, offsetof(struct pdc_cache_info, ic_stride));
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index ed1e88a74dc4..bac581b5ecfc 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -146,7 +146,7 @@ static int emulate_ldw(struct pt_regs *regs, int toreg, int flop)
" depw %%r0,31,2,%4\n"
"1: ldw 0(%%sr1,%4),%0\n"
"2: ldw 4(%%sr1,%4),%3\n"
-" subi 32,%4,%2\n"
+" subi 32,%2,%2\n"
" mtctl %2,11\n"
" vshd %0,%3,%0\n"
"3: \n"