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Wed, 24 Jun 2026 01:09:59 -0700 (PDT) Message-ID: <57e4a05b-0037-428a-ad55-08764b84e70f@suse.com> Date: Wed, 24 Jun 2026 10:09:58 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , Julien Grall , Stefano Stabellini , Anthony PERARD , Michal Orzel , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= From: Jan Beulich Subject: [PATCH] IRQ: drop (effectively) unused flag constants 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 Content-Transfer-Encoding: quoted-printable X-purgate-ID: tlsNG-4011c0/1782288600-2DBF3DB8-D3598A88/0/0 X-purgate-type: clean X-purgate-size: 1767 X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1782288623703158500 Content-Type: text/plain; charset="utf-8" IRQ_PER_CPU and IRQ_GUEST_EOI_PENDING are entirely unused. x86 uses IRQ_REPLAY, but only ever to clear the bit. Drop all three constants. Signed-off-by: Jan Beulich Acked-by: Andrew Cooper --- a/xen/arch/x86/irq.c +++ b/xen/arch/x86/irq.c @@ -2075,7 +2075,6 @@ void do_IRQ(struct cpu_user_regs *regs) goto out_no_end; } =20 - desc->status &=3D ~IRQ_REPLAY; desc->status |=3D IRQ_PENDING; =20 /* --- a/xen/include/xen/irq.h +++ b/xen/include/xen/irq.h @@ -33,20 +33,15 @@ struct irqaction { #define _IRQ_INPROGRESS 0 /* IRQ handler active - do not enter! */ #define _IRQ_DISABLED 1 /* IRQ disabled - do not enter! */ #define _IRQ_PENDING 2 /* IRQ pending - replay on enable */ -#define _IRQ_REPLAY 3 /* IRQ has been replayed but not acked y= et */ +/* 3 unused */ #define _IRQ_GUEST 4 /* IRQ is handled by guest OS(es) */ #define _IRQ_MOVE_PENDING 5 /* IRQ is migrating to another CPUs */ -#define _IRQ_PER_CPU 6 /* IRQ is per CPU */ -#define _IRQ_GUEST_EOI_PENDING 7 /* IRQ was disabled, pending a guest EOI= */ -#define _IRQF_SHARED 8 /* IRQ is shared */ +#define _IRQF_SHARED 6 /* IRQ is shared */ #define IRQ_INPROGRESS (1u<<_IRQ_INPROGRESS) #define IRQ_DISABLED (1u<<_IRQ_DISABLED) #define IRQ_PENDING (1u<<_IRQ_PENDING) -#define IRQ_REPLAY (1u<<_IRQ_REPLAY) #define IRQ_GUEST (1u<<_IRQ_GUEST) #define IRQ_MOVE_PENDING (1u<<_IRQ_MOVE_PENDING) -#define IRQ_PER_CPU (1u<<_IRQ_PER_CPU) -#define IRQ_GUEST_EOI_PENDING (1u<<_IRQ_GUEST_EOI_PENDING) #define IRQF_SHARED (1u<<_IRQF_SHARED) =20 /* Special IRQ numbers. */