selftests/bpf: Update comments find_equal_scalars->sync_linked_regs

find_equal_scalars() is renamed to sync_linked_regs(),
this commit updates existing references in the selftests comments.

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240718202357.1746514-5-eddyz87@gmail.com

diff --git a/tools/testing/selftests/bpf/progs/verifier_spill_fill.c b/tools/testing/selftests/bpf/progs/verifier_spill_fill.c
index 85e48069c9e616128fa647ba04bdff69f0a3f0b5..9d288ec7a1689da9e7fc4744b4d766b922e793a0 100644 (file)
--- a/tools/testing/selftests/bpf/progs/verifier_spill_fill.c
+++ b/tools/testing/selftests/bpf/progs/verifier_spill_fill.c
@@ -402,7 +402,7 @@ __naked void spill_32bit_of_64bit_fail(void)
        *(u32*)(r10 - 8) = r1;                          \
        /* 32-bit fill r2 from stack. */                \
        r2 = *(u32*)(r10 - 8);                          \
-       /* Compare r2 with another register to trigger find_equal_scalars.\
+       /* Compare r2 with another register to trigger sync_linked_regs.\
         * Having one random bit is important here, otherwise the verifier cuts\
         * the corners. If the ID was mistakenly preserved on spill, this would\
         * cause the verifier to think that r1 is also equal to zero in one of\
@@ -441,7 +441,7 @@ __naked void spill_16bit_of_32bit_fail(void)
        *(u16*)(r10 - 8) = r1;                          \
        /* 16-bit fill r2 from stack. */                \
        r2 = *(u16*)(r10 - 8);                          \
-       /* Compare r2 with another register to trigger find_equal_scalars.\
+       /* Compare r2 with another register to trigger sync_linked_regs.\
         * Having one random bit is important here, otherwise the verifier cuts\
         * the corners. If the ID was mistakenly preserved on spill, this would\
         * cause the verifier to think that r1 is also equal to zero in one of\
@@ -833,7 +833,7 @@ __naked void spill_64bit_of_64bit_ok(void)
        *(u64*)(r10 - 8) = r0;                          \
        /* 64-bit fill r1 from stack - should preserve the ID. */\
        r1 = *(u64*)(r10 - 8);                          \
-       /* Compare r1 with another register to trigger find_equal_scalars.\
+       /* Compare r1 with another register to trigger sync_linked_regs.\
         * Having one random bit is important here, otherwise the verifier cuts\
         * the corners.                                 \
         */                                             \
@@ -866,7 +866,7 @@ __naked void spill_32bit_of_32bit_ok(void)
        *(u32*)(r10 - 8) = r0;                          \
        /* 32-bit fill r1 from stack - should preserve the ID. */\
        r1 = *(u32*)(r10 - 8);                          \
-       /* Compare r1 with another register to trigger find_equal_scalars.\
+       /* Compare r1 with another register to trigger sync_linked_regs.\
         * Having one random bit is important here, otherwise the verifier cuts\
         * the corners.                                 \
         */                                             \
@@ -899,7 +899,7 @@ __naked void spill_16bit_of_16bit_ok(void)
        *(u16*)(r10 - 8) = r0;                          \
        /* 16-bit fill r1 from stack - should preserve the ID. */\
        r1 = *(u16*)(r10 - 8);                          \
-       /* Compare r1 with another register to trigger find_equal_scalars.\
+       /* Compare r1 with another register to trigger sync_linked_regs.\
         * Having one random bit is important here, otherwise the verifier cuts\
         * the corners.                                 \
         */                                             \
@@ -932,7 +932,7 @@ __naked void spill_8bit_of_8bit_ok(void)
        *(u8*)(r10 - 8) = r0;                           \
        /* 8-bit fill r1 from stack - should preserve the ID. */\
        r1 = *(u8*)(r10 - 8);                           \
-       /* Compare r1 with another register to trigger find_equal_scalars.\
+       /* Compare r1 with another register to trigger sync_linked_regs.\
         * Having one random bit is important here, otherwise the verifier cuts\
         * the corners.                                 \
         */                                             \
@@ -1029,7 +1029,7 @@ __naked void fill_32bit_after_spill_64bit_preserve_id(void)
        "r1 = *(u32*)(r10 - 4);"
 #endif
        "                                               \
-       /* Compare r1 with another register to trigger find_equal_scalars. */\
+       /* Compare r1 with another register to trigger sync_linked_regs. */\
        r2 = 0;                                         \
        if r1 != r2 goto l0_%=;                         \
        /* The result of this comparison is predefined. */\
@@ -1070,7 +1070,7 @@ __naked void fill_32bit_after_spill_64bit_clear_id(void)
        "r2 = *(u32*)(r10 - 4);"
 #endif
        "                                               \
-       /* Compare r2 with another register to trigger find_equal_scalars.\
+       /* Compare r2 with another register to trigger sync_linked_regs.\
         * Having one random bit is important here, otherwise the verifier cuts\
         * the corners. If the ID was mistakenly preserved on fill, this would\
         * cause the verifier to think that r1 is also equal to zero in one of\