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Tue, 16 Dec 2025 01:18:31 -0800 (PST) Message-ID: <2c224d52-6f3f-4fa9-abd5-dc7ea13b3402@suse.com> Date: Tue, 16 Dec 2025 10:18:30 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH v3 3/3] x86: move {clear_,copy_,scrub-}page.S to arch-specific library From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= References: Content-Language: en-US Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1765876733139154100 Content-Type: text/plain; charset="utf-8" These are pretty similar to the standard library memset() / memcpy(). Switch to building scrub-page.S unconditionally; the linker will simply not pick it up when not needed. Signed-off-by: Jan Beulich --- v3: New. --- While moving I noticed that the files here have .file at the top, while mem{cpy,set}.S don't. There not being any static symbols, likely we could omit the directives here, too? Or should mem{cpy,set}.S gain them? --- xen/arch/x86/Makefile | 3 --- xen/arch/x86/lib/Makefile | 3 +++ xen/arch/x86/{clear_page.S =3D> lib/clear-page.S} | 0 xen/arch/x86/{copy_page.S =3D> lib/copy-page.S} | 0 xen/arch/x86/{ =3D> lib}/scrub-page.S | 0 5 files changed, 3 insertions(+), 3 deletions(-) rename xen/arch/x86/{clear_page.S =3D> lib/clear-page.S} (100%) rename xen/arch/x86/{copy_page.S =3D> lib/copy-page.S} (100%) rename xen/arch/x86/{ =3D> lib}/scrub-page.S (100%) diff --git a/xen/arch/x86/Makefile b/xen/arch/x86/Makefile index 43117c88e59d..1fc651146f10 100644 --- a/xen/arch/x86/Makefile +++ b/xen/arch/x86/Makefile @@ -17,8 +17,6 @@ obj-y +=3D apic.o obj-y +=3D bhb-thunk.o obj-y +=3D bitops.o obj-bin-y +=3D bzimage.init.o -obj-bin-y +=3D clear_page.o -obj-bin-y +=3D copy_page.o obj-y +=3D cpu-policy.o obj-y +=3D cpuid.o obj-$(CONFIG_PV) +=3D compat.o @@ -57,7 +55,6 @@ obj-y +=3D pci.o obj-y +=3D physdev.o obj-$(CONFIG_COMPAT) +=3D x86_64/physdev.o obj-$(CONFIG_X86_PSR) +=3D psr.o -obj-bin-$(CONFIG_DEBUG) +=3D scrub-page.o obj-y +=3D setup.o obj-y +=3D shutdown.o obj-y +=3D smp.o diff --git a/xen/arch/x86/lib/Makefile b/xen/arch/x86/lib/Makefile index a5169f5e19c1..b9a65c662a56 100644 --- a/xen/arch/x86/lib/Makefile +++ b/xen/arch/x86/lib/Makefile @@ -1,5 +1,8 @@ +lib-y +=3D clear-page.o lib-y +=3D copy-guest.o +lib-y +=3D copy-page.o lib-y +=3D copy-unsafe.o lib-y +=3D generic-hweightl.o lib-y +=3D memcpy.o lib-y +=3D memset.o +lib-y +=3D scrub-page.o diff --git a/xen/arch/x86/clear_page.S b/xen/arch/x86/lib/clear-page.S similarity index 100% rename from xen/arch/x86/clear_page.S rename to xen/arch/x86/lib/clear-page.S diff --git a/xen/arch/x86/copy_page.S b/xen/arch/x86/lib/copy-page.S similarity index 100% rename from xen/arch/x86/copy_page.S rename to xen/arch/x86/lib/copy-page.S diff --git a/xen/arch/x86/scrub-page.S b/xen/arch/x86/lib/scrub-page.S similarity index 100% rename from xen/arch/x86/scrub-page.S rename to xen/arch/x86/lib/scrub-page.S