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Smith" To: xen-devel@lists.xenproject.org Cc: "Daniel P. Smith" , jason.andryuk@amd.com, christopher.w.clark@gmail.com, Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [PATCH v4 40/44] x86/boot: add cmdline to struct boot_domain Date: Fri, 30 Aug 2024 17:47:25 -0400 Message-Id: <20240830214730.1621-41-dpsmith@apertussolutions.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20240830214730.1621-1-dpsmith@apertussolutions.com> References: <20240830214730.1621-1-dpsmith@apertussolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External X-ZohoMail-DKIM: pass (identity dpsmith@apertussolutions.com) X-ZM-MESSAGEID: 1725054788076116600 Content-Type: text/plain; charset="utf-8" Add a container for the "cooked" command line for a domain. Signed-off-by: Daniel P. Smith --- xen/arch/x86/include/asm/bootdomain.h | 4 ++++ xen/arch/x86/setup.c | 18 ++++++++---------- 2 files changed, 12 insertions(+), 10 deletions(-) diff --git a/xen/arch/x86/include/asm/bootdomain.h b/xen/arch/x86/include/a= sm/bootdomain.h index d6264d554dba..00f7d9267965 100644 --- a/xen/arch/x86/include/asm/bootdomain.h +++ b/xen/arch/x86/include/asm/bootdomain.h @@ -8,9 +8,13 @@ #ifndef __XEN_X86_BOOTDOMAIN_H__ #define __XEN_X86_BOOTDOMAIN_H__ =20 +#include + struct boot_module; =20 struct boot_domain { + char cmdline[MAX_GUEST_CMDLINE]; + domid_t domid; =20 struct boot_module *kernel; diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index 43b588d4d105..2c1aa1475c4e 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -951,8 +951,6 @@ static unsigned int __init copy_bios_e820(struct e820en= try *map, unsigned int li =20 static struct domain *__init create_dom0(const struct boot_info *bi) { - static char __initdata cmdline[MAX_GUEST_CMDLINE]; - struct xen_domctl_createdomain dom0_cfg =3D { .flags =3D IS_ENABLED(CONFIG_TBOOT) ? XEN_DOMCTL_CDF_s3_integrity = : 0, .max_evtchn_port =3D -1, @@ -995,17 +993,17 @@ static struct domain *__init create_dom0(const struct= boot_info *bi) if ( bd->kernel->cmdline || bi->kextra ) { if ( bd->kernel->cmdline ) - safe_strcpy(cmdline, cmdline_cook( + safe_strcpy(bd->cmdline, cmdline_cook( __va((unsigned long)bd->kernel->cmdline), bi->boot_loader_name)); =20 if ( bi->kextra ) /* kextra always includes exactly one leading space. */ - safe_strcat(cmdline, bi->kextra); + safe_strcat(bd->cmdline, bi->kextra); =20 /* Append any extra parameters. */ - if ( skip_ioapic_setup && !strstr(cmdline, "noapic") ) - safe_strcat(cmdline, " noapic"); + if ( skip_ioapic_setup && !strstr(bd->cmdline, "noapic") ) + safe_strcat(bd->cmdline, " noapic"); =20 if ( (strlen(acpi_param) =3D=3D 0) && acpi_disabled ) { @@ -1013,10 +1011,10 @@ static struct domain *__init create_dom0(const stru= ct boot_info *bi) safe_strcpy(acpi_param, "off"); } =20 - if ( (strlen(acpi_param) !=3D 0) && !strstr(cmdline, "acpi=3D") ) + if ( (strlen(acpi_param) !=3D 0) && !strstr(bd->cmdline, "acpi=3D"= ) ) { - safe_strcat(cmdline, " acpi=3D"); - safe_strcat(cmdline, acpi_param); + safe_strcat(bd->cmdline, " acpi=3D"); + safe_strcat(bd->cmdline, acpi_param); } } =20 @@ -1031,7 +1029,7 @@ static struct domain *__init create_dom0(const struct= boot_info *bi) write_cr4(read_cr4() & ~X86_CR4_SMAP); } =20 - if ( construct_dom0(d, bd->kernel, bd->ramdisk, cmdline) !=3D 0 ) + if ( construct_dom0(d, bd->kernel, bd->ramdisk, bd->cmdline) !=3D 0 ) panic("Could not construct domain 0\n"); =20 if ( cpu_has_smap ) --=20 2.30.2