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[PATCH 1/2] x86: move arch_generic_hweightl() to arch-specific library


  • To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Wed, 26 Nov 2025 14:24:19 +0100
  • Autocrypt: addr=jbeulich@xxxxxxxx; 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
  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Delivery-date: Wed, 26 Nov 2025 13:24:26 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Introduce arch/x86/lib/, and make it the home for the somewhat misplaced
x86-specific file that lived in the arch-independent lib/.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/Makefile                                           | 1 +
 xen/arch/x86/arch.mk                                            | 2 ++
 xen/arch/x86/lib/Makefile                                       | 1 +
 .../x86-generic-hweightl.c => arch/x86/lib/generic-hweightl.c}  | 0
 xen/lib/Makefile                                                | 1 -
 5 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 xen/arch/x86/lib/Makefile
 rename xen/{lib/x86-generic-hweightl.c => arch/x86/lib/generic-hweightl.c} 
(100%)

diff --git a/xen/arch/x86/Makefile b/xen/arch/x86/Makefile
index 300cc67407e9..61e2293a467e 100644
--- a/xen/arch/x86/Makefile
+++ b/xen/arch/x86/Makefile
@@ -5,6 +5,7 @@ obj-y += efi/
 obj-y += genapic/
 obj-$(CONFIG_GUEST) += guest/
 obj-$(CONFIG_HVM) += hvm/
+obj-y += lib/
 obj-y += mm/
 obj-$(CONFIG_XENOPROF) += oprofile/
 obj-$(CONFIG_PV) += pv/
diff --git a/xen/arch/x86/arch.mk b/xen/arch/x86/arch.mk
index 16368a498bb7..a0ee050c931b 100644
--- a/xen/arch/x86/arch.mk
+++ b/xen/arch/x86/arch.mk
@@ -3,6 +3,8 @@
 
 export XEN_IMG_OFFSET := 0x200000
 
+ALL_LIBS-y += arch/x86/lib/lib.a
+
 CFLAGS += -DXEN_IMG_OFFSET=$(XEN_IMG_OFFSET)
 
 # Prevent floating-point variables from creeping into Xen.
diff --git a/xen/arch/x86/lib/Makefile b/xen/arch/x86/lib/Makefile
new file mode 100644
index 000000000000..ddf7e19bdc1d
--- /dev/null
+++ b/xen/arch/x86/lib/Makefile
@@ -0,0 +1 @@
+lib-y += generic-hweightl.o
diff --git a/xen/lib/x86-generic-hweightl.c 
b/xen/arch/x86/lib/generic-hweightl.c
similarity index 100%
rename from xen/lib/x86-generic-hweightl.c
rename to xen/arch/x86/lib/generic-hweightl.c
diff --git a/xen/lib/Makefile b/xen/lib/Makefile
index 5ccb1e5241c5..38c1c7d6845c 100644
--- a/xen/lib/Makefile
+++ b/xen/lib/Makefile
@@ -38,7 +38,6 @@ lib-y += strtol.o
 lib-y += strtoll.o
 lib-y += strtoul.o
 lib-y += strtoull.o
-lib-$(CONFIG_X86) += x86-generic-hweightl.o
 lib-$(CONFIG_X86) += xxhash32.o
 lib-$(CONFIG_X86) += xxhash64.o
 




 


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