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From: Song Liu <song@kernel.org>
To: <bpf@vger.kernel.org>, <netdev@vger.kernel.org>
Cc: <ast@kernel.org>, <daniel@iogearbox.net>, <andrii@kernel.org>,
	<kernel-team@fb.com>, Song Liu <song@kernel.org>,
	kernel test robot <lkp@intel.com>
Subject: [PATCH bpf-next 1/2] bpf: fix leftover header->pages in sparc and powerpc code.
Date: Tue, 8 Feb 2022 14:05:08 -0800	[thread overview]
Message-ID: <20220208220509.4180389-2-song@kernel.org> (raw)
In-Reply-To: <20220208220509.4180389-1-song@kernel.org>

Replace header->pages * PAGE_SIZE with new header->size.

Fixes: ed2d9e1a26cc ("bpf: Use size instead of pages in bpf_binary_header")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Song Liu <song@kernel.org>
---
 arch/powerpc/net/bpf_jit_comp.c  | 2 +-
 arch/sparc/net/bpf_jit_comp_64.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index d6ffdd0f2309..9003c313475d 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -247,7 +247,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 	fp->jited = 1;
 	fp->jited_len = proglen + FUNCTION_DESCR_SIZE;
 
-	bpf_flush_icache(bpf_hdr, (u8 *)bpf_hdr + (bpf_hdr->pages * PAGE_SIZE));
+	bpf_flush_icache(bpf_hdr, (u8 *)bpf_hdr + bpf_hdr->size);
 	if (!fp->is_func || extra_pass) {
 		bpf_jit_binary_lock_ro(bpf_hdr);
 		bpf_prog_fill_jited_linfo(fp, addrs);
diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c
index b1e38784eb23..fa0759bfe498 100644
--- a/arch/sparc/net/bpf_jit_comp_64.c
+++ b/arch/sparc/net/bpf_jit_comp_64.c
@@ -1599,7 +1599,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	if (bpf_jit_enable > 1)
 		bpf_jit_dump(prog->len, image_size, pass, ctx.image);
 
-	bpf_flush_icache(header, (u8 *)header + (header->pages * PAGE_SIZE));
+	bpf_flush_icache(header, (u8 *)header + header->size);
 
 	if (!prog->is_func || extra_pass) {
 		bpf_jit_binary_lock_ro(header);
-- 
2.30.2


  reply	other threads:[~2022-02-08 22:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-08 22:05 [PATCH bpf-next 0/2] fix bpf_prog_pack build errors Song Liu
2022-02-08 22:05 ` Song Liu [this message]
2022-02-08 22:05 ` [PATCH bpf-next 2/2] bpf: fix bpf_prog_pack build HPAGE_PMD_SIZE Song Liu
2022-02-10  1:13   ` Eric Dumazet
2022-02-10  5:59     ` Song Liu
2022-02-09  5:20 ` [PATCH bpf-next 0/2] fix bpf_prog_pack build errors patchwork-bot+netdevbpf

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