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charset="UTF-8" Content-Transfer-Encoding: quoted-printable Date: Mon, 18 Mar 2024 08:55:02 +1100 MIME-Version: 1.0 User-Agent: Evolution 3.50.4 (3.50.4-1.fc39) X-Trend-IP-HD: ip=[9.192.253.14]helo={ozlabs.au.ibm.com}sender=(bgray@linux.ibm.com)recipient= On Mon, 2024-03-18 at 08:38 +1100, Benjamin Gray wrote: > On Fri, 2024-03-15 at 07:14 +0000, Christophe Leroy wrote: > >=20 > >=20 > > Le 15/03/2024 =C3=A0 03:57, Benjamin Gray a =C3=A9crit=C2=A0: > > > patch_instructions() introduces new behaviour with a couple of > > > variations. Test each case of > > >=20 > > > =C2=A0=C2=A0 * a repeated 32-bit instruction, > > > =C2=A0=C2=A0 * a repeated 64-bit instruction (ppc64), and > > > =C2=A0=C2=A0 * a copied sequence of instructions > > >=20 > > > for both on a single page and when it crosses a page boundary. > > >=20 > > > Signed-off-by: Benjamin Gray > > > --- > > > =C2=A0 arch/powerpc/lib/test-code-patching.c | 92 > > > +++++++++++++++++++++++++++ > > > =C2=A0 1 file changed, 92 insertions(+) > > >=20 > > > diff --git a/arch/powerpc/lib/test-code-patching.c > > > b/arch/powerpc/lib/test-code-patching.c > > > index c44823292f73..35a3756272df 100644 > > > --- a/arch/powerpc/lib/test-code-patching.c > > > +++ b/arch/powerpc/lib/test-code-patching.c > > > @@ -347,6 +347,97 @@ static void __init > > > test_prefixed_patching(void) > > > =C2=A0=C2=A0 check(!memcmp(iptr, expected, sizeof(expected))); > > > =C2=A0 } > > > =C2=A0=20 > > > +static void __init test_multi_instruction_patching(void) > > > +{ > > > + u32 code[256]; > >=20 > > Build failure: > >=20 > > =C2=A0=C2=A0 CC=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 arch/powerpc/lib/test-cod= e-patching.o > > arch/powerpc/lib/test-code-patching.c: In function=20 > > 'test_multi_instruction_patching': > > arch/powerpc/lib/test-code-patching.c:439:1: error: the frame size > > of > > 1040 bytes is larger than 1024 bytes [-Werror=3Dframe-larger-than=3D] > > =C2=A0=C2=A0 439 | } > > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 | ^ > > cc1: all warnings being treated as errors > > make[4]: *** [scripts/Makefile.build:243:=20 > > arch/powerpc/lib/test-code-patching.o] Error 1 > >=20 > >=20 > > I have to avoid big arrays on the stack. >=20 > All good, I can do that. >=20 > I do run my patches through a couple of 32-bit configs, but I didn't > see this error. Is this a standard config I should be testing with? >=20 Specifically I build pmac32_defconfig and ppc44x_defconfig