[{"id":3683855,"web_url":"http://patchwork.ozlabs.org/comment/3683855/","msgid":"","list_archive_url":null,"date":"2026-04-29T07:29:17","subject":"Re: [PATCH] libsanitizer: Fix up build against latest kernel headers","submitter":{"id":4338,"url":"http://patchwork.ozlabs.org/api/people/4338/","name":"Richard Biener","email":"rguenther@suse.de"},"content":"On Wed, 29 Apr 2026, Jakub Jelinek wrote:\n\n> Hi!\n> \n> The Linux kernel recently removed the linux/scc.h header, so gcc (both\n> 16.1-rc2 and trunk) fails to build e.g. on Fedora rawhide now.\n> \n> The following patch cherry picks a recent upstream fix for this, the macros\n> defined in that header haven't been really used since 2013-ish.\n> \n> Bootstrapped/regtested on x86_64-linux, i686-linux, powerpc64le-linux,\n> aarch64-linux and s390x-linux with linux/scc.h missing (16 branch) and\n> on the trunk with linux/scc.h not missing on x86_64-linux and i686-linux,\n> ok of trunk and 16.1? I think we want this in 16.1 and it shouldn't be\n> risky.\n\nOK for both (and also for backporting further).\n\nRichard.\n\n> 2026-04-29 Jakub Jelinek \n> \n> \t* sanitizer_common/sanitizer_platform_limits_posix.cpp: Cherry picked\n> \tfrom LLVM commit 3dc4fd6dd41100f051a63642f449b16324389c96.\n> \n> --- libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp.jj\t2026-04-22 07:43:37.787920757 +0200\n> +++ libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp\t2026-04-28 15:51:39.348680761 +0200\n> @@ -152,16 +152,15 @@ typedef struct user_fpregs elf_fpregset_\n> #if defined(__mips64)\n> # include \n> #endif\n> -#include \n> -#include \n> -#include \n> -#include \n> -#include \n> -#include \n> -#include \n> -#include \n> -#include \n> -#include \n> +# include \n> +# include \n> +# include \n> +# include \n> +# include \n> +# include \n> +# include \n> +# include \n> +# include \n> #endif // SANITIZER_ANDROID\n> \n> #include \n> @@ -534,8 +533,6 @@ unsigned struct_ElfW_Phdr_sz = sizeof(El\n> unsigned struct_kbsentry_sz = sizeof(struct kbsentry);\n> unsigned struct_mtconfiginfo_sz = sizeof(struct mtconfiginfo);\n> unsigned struct_nr_parms_struct_sz = sizeof(struct nr_parms_struct);\n> - unsigned struct_scc_modem_sz = sizeof(struct scc_modem);\n> - unsigned struct_scc_stat_sz = sizeof(struct scc_stat);\n> unsigned struct_serial_multiport_struct_sz\n> = sizeof(struct serial_multiport_struct);\n> unsigned struct_serial_struct_sz = sizeof(struct serial_struct);\n> \n> \tJakub\n> \n>","headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256\n header.s=susede2_rsa header.b=v+WehzLj;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=RTmsu6EB;\n\tdkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de\n header.a=rsa-sha256 header.s=susede2_rsa header.b=v+WehzLj;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=RTmsu6EB;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; 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